CVE-2022-49179

In the Linux kernel, the following vulnerability has been resolved: block, bfq: don't move oom_bfqq Our test report a UAF: [ 2073.019181] ================================================================== [ 2073.019188] BUG: KASAN: use-after-free in __bfq_put_async_bfqq+0xa0/0x168 [ 2073.019191] Write of size 8 at addr ffff8000ccf64128 by task rmmod/72584 [ 2073.019192] [ 2073.019196] CPU: 0 PID: 72584 Comm: rmmod Kdump: loaded Not tainted 4.19.90-yk #5 [ 2073.019198] Hardware name: QEMU KVM Virtual Machine, BIOS 0.0.0 02/06/2015 [ 2073.019200] Call trace: [ 2073.019203] dump_backtrace+0x0/0x310 [ 2073.019206] show_stack+0x28/0x38 [ 2073.019210] dump_stack+0xec/0x15c [ 2073.019216] print_address_description+0x68/0x2d0 [ 2073.019220] kasan_report+0x238/0x2f0 [ 2073.019224] __asan_store8+0x88/0xb0 [ 2073.019229] __bfq_put_async_bfqq+0xa0/0x168 [ 2073.019233] bfq_put_async_queues+0xbc/0x208 [ 2073.019236] bfq_pd_offline+0x178/0x238 [ 2073.019240] blkcg_deactivate_policy+0x1f0/0x420 [ 2073.019244] bfq_exit_queue+0x128/0x178 [ 2073.019249] blk_mq_exit_sched+0x12c/0x160 [ 2073.019252] elevator_exit+0xc8/0xd0 [ 2073.019256] blk_exit_queue+0x50/0x88 [ 2073.019259] blk_cleanup_queue+0x228/0x3d8 [ 2073.019267] null_del_dev+0xfc/0x1e0 [null_blk] [ 2073.019274] null_exit+0x90/0x114 [null_blk] [ 2073.019278] __arm64_sys_delete_module+0x358/0x5a0 [ 2073.019282] el0_svc_common+0xc8/0x320 [ 2073.019287] el0_svc_handler+0xf8/0x160 [ 2073.019290] el0_svc+0x10/0x218 [ 2073.019291] [ 2073.019294] Allocated by task 14163: [ 2073.019301] kasan_kmalloc+0xe0/0x190 [ 2073.019305] kmem_cache_alloc_node_trace+0x1cc/0x418 [ 2073.019308] bfq_pd_alloc+0x54/0x118 [ 2073.019313] blkcg_activate_policy+0x250/0x460 [ 2073.019317] bfq_create_group_hierarchy+0x38/0x110 [ 2073.019321] bfq_init_queue+0x6d0/0x948 [ 2073.019325] blk_mq_init_sched+0x1d8/0x390 [ 2073.019330] elevator_switch_mq+0x88/0x170 [ 2073.019334] elevator_switch+0x140/0x270 [ 2073.019338] elv_iosched_store+0x1a4/0x2a0 [ 2073.019342] queue_attr_store+0x90/0xe0 [ 2073.019348] sysfs_kf_write+0xa8/0xe8 [ 2073.019351] kernfs_fop_write+0x1f8/0x378 [ 2073.019359] __vfs_write+0xe0/0x360 [ 2073.019363] vfs_write+0xf0/0x270 [ 2073.019367] ksys_write+0xdc/0x1b8 [ 2073.019371] __arm64_sys_write+0x50/0x60 [ 2073.019375] el0_svc_common+0xc8/0x320 [ 2073.019380] el0_svc_handler+0xf8/0x160 [ 2073.019383] el0_svc+0x10/0x218 [ 2073.019385] [ 2073.019387] Freed by task 72584: [ 2073.019391] __kasan_slab_free+0x120/0x228 [ 2073.019394] kasan_slab_free+0x10/0x18 [ 2073.019397] kfree+0x94/0x368 [ 2073.019400] bfqg_put+0x64/0xb0 [ 2073.019404] bfqg_and_blkg_put+0x90/0xb0 [ 2073.019408] bfq_put_queue+0x220/0x228 [ 2073.019413] __bfq_put_async_bfqq+0x98/0x168 [ 2073.019416] bfq_put_async_queues+0xbc/0x208 [ 2073.019420] bfq_pd_offline+0x178/0x238 [ 2073.019424] blkcg_deactivate_policy+0x1f0/0x420 [ 2073.019429] bfq_exit_queue+0x128/0x178 [ 2073.019433] blk_mq_exit_sched+0x12c/0x160 [ 2073.019437] elevator_exit+0xc8/0xd0 [ 2073.019440] blk_exit_queue+0x50/0x88 [ 2073.019443] blk_cleanup_queue+0x228/0x3d8 [ 2073.019451] null_del_dev+0xfc/0x1e0 [null_blk] [ 2073.019459] null_exit+0x90/0x114 [null_blk] [ 2073.019462] __arm64_sys_delete_module+0x358/0x5a0 [ 2073.019467] el0_svc_common+0xc8/0x320 [ 2073.019471] el0_svc_handler+0xf8/0x160 [ 2073.019474] el0_svc+0x10/0x218 [ 2073.019475] [ 2073.019479] The buggy address belongs to the object at ffff8000ccf63f00 which belongs to the cache kmalloc-1024 of size 1024 [ 2073.019484] The buggy address is located 552 bytes inside of 1024-byte region [ffff8000ccf63f00, ffff8000ccf64300) [ 2073.019486] The buggy address belongs to the page: [ 2073.019492] page:ffff7e000333d800 count:1 mapcount:0 mapping:ffff8000c0003a00 index:0x0 compound_mapcount: 0 [ 2073.020123] flags: 0x7ffff0000008100(slab|head) [ 2073.020403] raw: 07ffff0000008100 ffff7e0003334c08 ffff7e00001f5a08 ffff8000c0003a00 [ 2073.020409] ra ---truncated---

• CVE-url: https://ubuntu.com/security/CVE-2025-38000
  • sch_hfsc: Fix qlen accounting bug when using peek in hfsc_enqueue()
• CVE-url: https://ubuntu.com/security/CVE-2024-57996 // CVE-url: https://ubuntu.com/security/CVE-2025-37752
  • net_sched: sch_sfq: move the limit validation
• Focal update: v5.4.285 upstream stable release (LP: #2089233) // CVE-2024-50202 // CVE-url: https://ubuntu.com/security/CVE-2024-50202
  • nilfs2: propagate directory read errors from nilfs_find_entry()
• Focal update: v5.4.279 upstream stable release (LP: #2073621) // CVE-url: https://ubuntu.com/security/CVE-2024-50202
  • nilfs2: Remove check for PageError
  • nilfs2: return the mapped address from nilfs_get_page()
• Focal update: v5.4.287 upstream stable release (LP: #2095145) // CVE-url: https://ubuntu.com/security/CVE-2024-53131
  • nilfs2: fix null-ptr-deref in block_touch_buffer tracepoint
• Focal update: v5.4.287 upstream stable release (LP: #2095145) // CVE-url: https://ubuntu.com/security/CVE-2024-53130
  • nilfs2: fix null-ptr-deref in block_dirty_buffer tracepoint
• CVE-url: https://ubuntu.com/security/CVE-2022-49179
  • block, bfq: don't move oom_bfqq
• CVE-url: https://ubuntu.com/security/CVE-2022-49176
  • bfq: fix use-after-free in bfq_dispatch_request
• CVE-url: https://ubuntu.com/security/CVE-2025-21956
  • drm/amd/display: Assign normalized_pix_clk when color depth = 14
• CVE-url: https://ubuntu.com/security/CVE-2025-21992
  • HID: ignore non-functional sensor in HP 5MP Camera
• CVE-url: https://ubuntu.com/security/CVE-2025-22021
  • netfilter: socket: Lookup orig tuple for IPv6 SNAT
• CVE-url: https://ubuntu.com/security/CVE-2025-22073
  • spufs: fix a leak on spufs_new_file() failure
• CVE-url: https://ubuntu.com/security/CVE-2025-22079
  • ocfs2: validate l_tree_depth to avoid out-of-bounds access
• CVE-url: https://ubuntu.com/security/CVE-2025-22086
  • RDMA/mlx5: Fix mlx5_poll_one() cur_qp update flow
• CVE-url: https://ubuntu.com/security/CVE-2025-21722
  • nilfs2: do not force clear folio if buffer is referenced
• CVE-url: https://ubuntu.com/security/CVE-2025-22018
  • atm: Fix NULL pointer dereference
• CVE-url: https://ubuntu.com/security/CVE-2024-58071
  • team: prevent adding a device which is already a team device lower
• CVE-url: https://ubuntu.com/security/CVE-2024-58063
  • wifi: rtlwifi: fix memory leaks and invalid access at probe error path
• CVE-url: https://ubuntu.com/security/CVE-2024-58052
  • drm/amdgpu: Fix potential NULL pointer dereference in atomctrl_get_smc_sclk_range_table
• CVE-url: https://ubuntu.com/security/CVE-2024-58058
  • ubifs: skip dumping tnc tree when zroot is null
• CVE-url: https://ubuntu.com/security/CVE-2025-21859
  • USB: gadget: f_midi: f_midi_complete to call queue_work
• CVE-url: https://ubuntu.com/security/CVE-2025-21640
  • sctp: sysctl: cookie_hmac_alg: avoid using current->nsproxy
• CVE-url: https://ubuntu.com/security/CVE-2024-57922
  • drm/amd/display: Add check for granularity in dml ceil/floor helpers
• CVE-url: https://ubuntu.com/security/CVE-2024-57913
  • usb: gadget: f_fs: Remove WARN_ON in functionfs_bind
• CVE-url: https://ubuntu.com/security/CVE-2025-21638
  • sctp: sysctl: auth_enable: avoid using current->nsproxy
• CVE-url: https://ubuntu.com/security/CVE-2024-50195
  • posix-clock: Fix missing timespec64 check in pc_clock_settime()
• CVE-url: https://ubuntu.com/security/CVE-2024-50299
  • sctp: properly validate chunk size in sctp_sf_ootb()
• CVE-url: https://ubuntu.com/security/CVE-2024-50273
  • btrfs: reinitialize delayed ref list after deleting it from the list
• CVE-url: https://ubuntu.com/security/CVE-2024-41016
  • ocfs2: strict bound check before memcmp in ocfs2_xattr_find_entry()
• CVE-url: https://ubuntu.com/security/CVE-2024-50287 -…

In the Linux kernel, the following vulnerability has been resolved: bfq: fix use-after-free in bfq_dispatch_request KASAN reports a use-after-free report when doing normal scsi-mq test .

In the Linux kernel, the following vulnerability has been resolved: block, bfq: don't move oom_bfqq Our test report a UAF: .

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: fix use-after-free in l2cap_conn_del() When l2cap_recv_frame() is invoked to receive data, and the cid is L2CAP_CID_A2MP, if the channel does not exist, it will create a channel. However, after a channel is created, the hold operation of the channel is not performed.

In the Linux kernel, the following vulnerability has been resolved: SUNRPC: Fix UAF in svc_tcp_listen_data_ready() After the listener svc_sock is freed, and before invoking svc_tcp_accept() for the established child sock, there is a window that the newsock retaining a freed listener svc_sock in sk_user_data which cloning from parent.

In the Linux kernel, the following vulnerability has been resolved: ext4: aovid use-after-free in ext4_ext_insert_extent() As Ojaswin mentioned in Link, in ext4_ext_insert_extent(), if the path is reallocated in ext4_ext_create_new_leaf(), we'll use the stale path and cause UAF. Below is a sample trace with dummy values: ext4_ext_insert_extent path .

In the Linux kernel, the following vulnerability has been resolved: ALSA: usb-audio: Fix potential out-of-bound accesses for Extigy and Mbox devices A bogus device can provide a bNumConfigurations value that exceeds the initial value used in usb_get_configuration for allocating dev->config.

In the Linux kernel, the following vulnerability has been resolved: ovl: fix UAF in ovl_dentry_update_reval by moving dput() in ovl_link_up The issue was caused by dput(upper) being called before ovl_dentry_update_reval(), while upper->d_flags was still accessed in ovl_dentry_remote().

In the Linux kernel, the following vulnerability has been resolved: RDMA/erdma: Prevent use-after-free in erdma_accept_newconn() After the erdma_cep_put(new_cep) being called, new_cep will be freed, and the following dereference will cause a UAF problem.

The SUSE Linux Enterprise 12 SP5 kernel was updated to receive various security bugfixes.

The following security bugs were fixed:

• CVE-2021-47659: drm/plane: Move range check for format_count earlier (bsc#1237839).
• CVE-2022-49044: dm integrity: fix memory corruption when tag_size is less than digest size (bsc#1237840).
• CVE-2022-49055: drm/amdkfd: Check for potential null return of kmalloc_array() (bsc#1237868).
• CVE-2022-49060: net/smc: Fix NULL pointer dereference in smc_pnet_find_ib() (bsc#1237845).
• CVE-2022-49086: net: openvswitch: fix leak of nested actions (bsc#1238037).
• CVE-2022-49111: Bluetooth: Fix use after free in hci_send_acl (bsc#1237984).
• CVE-2022-49118: scsi: hisi_sas: Free irq vectors in order for v3 HW (bsc#1237979).
• CVE-2022-49121: scsi: pm8001: Fix tag leaks on error (bsc#1237926).
• CVE-2022-49137: drm/amd/amdgpu/amdgpu_cs: fix refcount leak of a dma_fence obj (bsc#1238155).
• CVE-2022-49175: PM: core: keep irq flags in device_pm_check_callbacks() (bsc#1238099).
• CVE-2022-49176: bfq: fix use-after-free in bfq_dispatch_request (bsc#1238097).
• CVE-2022-49179: block, bfq: do not move oom_bfqq (bsc#1238092).
• CVE-2022-49188: remoteproc: qcom_q6v5_mss: Fix some leaks in q6v5_alloc_memory_region (bsc#1238138).
• CVE-2022-49197: af_netlink: Fix shift out of bounds in group mask calculation (bsc#1238455).
• CVE-2022-49205: bpf, sockmap: Fix double uncharge the mem of sk_msg (bsc#1238335).
• CVE-2022-49232: drm/amd/display: Fix a NULL pointer dereference in amdgpu_dm_connector_add_common_modes() (bsc#1238139).
• CVE-2022-49290: mac80211: fix potential double free on mesh join (bsc#1238156).
• CVE-2022-49305: drivers: staging: rtl8192u: Fix deadlock in ieee80211_beacons_stop() (bsc#1238645).
• CVE-2022-49325: tcp: add accessors to read/set tp->snd_cwnd (bsc#1238398).
• CVE-2022-49335: drm/amdgpu/cs: make commands with 0 chunks illegal behaviour (bsc#1238377).
• CVE-2022-49351: net: altera: Fix refcount leak in altera_tse_mdio_create (bsc#1237939).
• CVE-2022-49385: driver: base: fix UAF when driver_attach failed (bsc#1237951).
• CVE-2022-49390: macsec: fix UAF bug for real_dev (bsc#1238233).
• CVE-2022-49411: bfq: Make sure bfqg for which we are queueing requests is online (bsc#1238307).
• CVE-2022-49442: drivers/base/node.c: fix compaction sysfs file leak (bsc#1238243).
• CVE-2022-49465: blk-throttle: Set BIO_THROTTLED when bio has been throttled (bsc#1238919).
• CVE-2022-49478: media: pvrusb2: fix array-index-out-of-bounds in pvr2_i2c_core_init (bsc#1238000).
• CVE-2022-49489: drm/msm/disp/dpu1: set vbif hw config to NULL to avoid use after memory free during pm runtime resume (bsc#1238244).
• CVE-2022-49504: scsi: lpfc: Inhibit aborts if external loopback plug is inserted (bsc#1238835).
• CVE-2022-49521: scsi: lpfc: Fix resource leak in lpfc_sli4_send_seq_to_ulp() (bsc#1238938).
• CVE-2022-49525: media: cx25821: Fix the warning when removing the module (bsc#1238022).
• CVE-2022-49534: scsi: lpfc: Protect memory leak for NPIV ports sending PLOGI_RJT (bsc#1238893).
• CVE-2022-49535: scsi: lpfc: Fix null pointer dereference after failing to issue FLOGI and PLOGI (bsc#1238937).
• CVE-2022-49536: scsi: lpfc: Fix SCSI I/O completion and abort handler deadlock (bsc#1238838).
• CVE-2022-49537: scsi: lpfc: Fix call trace observed during I/O with CMF enabled (bsc#1238930).
• CVE-2022-49542: scsi: lpfc: Move cfg_log_verbose check before calling lpfc_dmp_dbg() (bsc#1238722).
• CVE-2022-49561: netfilter: conntrack: re-fetch conntrack after insertion (bsc#1238537).
• CVE-2022-49590: igmp: Fix data-races around sysctl_igmp_llm_reports (bsc#1238844).
• CVE-2022-49658: bpf, selftests: Add verifier test case for imm=0,umin=0,umax=1 scalar (bsc#1238803).
• CVE-2022-49668: PM / devfreq: exynos-ppmu: Fix refcount leak in of_get_devfreq_events (bsc#1237957).
• CVE-2022-49693: drm/msm/mdp4: Fix refcount leak in mdp4_modeset_init_intf (bsc#1237954).
• CVE-2022-49725: i40e: Fix call trace in setup_tx_descriptors…

This update for the Linux Kernel 4.12.14-122_225 fixes several issues.

The following security issues were fixed:

• CVE-2024-56601: net: inet: do not leave a dangling sk pointer in inet_create() (bsc#1235231).
• CVE-2024-50279: dm cache: fix out-of-bounds access to the dirty bitset when resizing (bsc#1233708).
• CVE-2024-50301: security/keys: fix slab-out-of-bounds in key_task_permission (bsc#1233680).
• CVE-2024-56605: Bluetooth: L2CAP: do not leave dangling sk pointer on error in l2cap_sock_create() (bsc#1235062).
• CVE-2024-50125: Bluetooth: SCO: Fix UAF on sco_sock_timeout (bsc#1232929).
• CVE-2022-49545: ALSA: usb-audio: Cancel pending work at closing a MIDI substream (bsc#1238730).
• CVE-2022-49179: block, bfq: do not move oom_bfqq (bsc#1241331).

This update for the Linux Kernel 4.12.14-122_244 fixes several issues.

The following security issues were fixed:

• CVE-2024-56601: net: inet: do not leave a dangling sk pointer in inet_create() (bsc#1235231).
• CVE-2022-49545: ALSA: usb-audio: Cancel pending work at closing a MIDI substream (bsc#1238730).
• CVE-2022-49179: block, bfq: do not move oom_bfqq (bsc#1241331).

This update for the Linux Kernel 4.12.14-122_247 fixes several issues.

The following security issues were fixed:

• CVE-2022-49545: ALSA: usb-audio: Cancel pending work at closing a MIDI substream (bsc#1238730).
• CVE-2022-49179: block, bfq: do not move oom_bfqq (bsc#1241331).

This update for the Linux Kernel 4.12.14-122_216 fixes several issues.

The following security issues were fixed:

• CVE-2024-56601: net: inet: do not leave a dangling sk pointer in inet_create() (bsc#1235231).
• CVE-2024-50279: dm cache: fix out-of-bounds access to the dirty bitset when resizing (bsc#1233708).
• CVE-2024-50301: security/keys: fix slab-out-of-bounds in key_task_permission (bsc#1233680).
• CVE-2024-56605: Bluetooth: L2CAP: do not leave dangling sk pointer on error in l2cap_sock_create() (bsc#1235062).
• CVE-2024-50125: Bluetooth: SCO: Fix UAF on sco_sock_timeout (bsc#1232929).
• CVE-2024-40937: gve: Clear napi->skb before dev_kfree_skb_any() (bsc#1227903).
• CVE-2022-49545: ALSA: usb-audio: Cancel pending work at closing a MIDI substream (bsc#1238730).
• CVE-2022-49179: block, bfq: do not move oom_bfqq (bsc#1241331).

This update for the Linux Kernel 4.12.14-122_228 fixes several issues.

The following security issues were fixed:

• CVE-2024-56601: net: inet: do not leave a dangling sk pointer in inet_create() (bsc#1235231).
• CVE-2024-50279: dm cache: fix out-of-bounds access to the dirty bitset when resizing (bsc#1233708).
• CVE-2024-50301: security/keys: fix slab-out-of-bounds in key_task_permission (bsc#1233680).
• CVE-2024-56605: Bluetooth: L2CAP: do not leave dangling sk pointer on error in l2cap_sock_create() (bsc#1235062).
• CVE-2024-50125: Bluetooth: SCO: Fix UAF on sco_sock_timeout (bsc#1232929).
• CVE-2022-49545: ALSA: usb-audio: Cancel pending work at closing a MIDI substream (bsc#1238730).
• CVE-2022-49179: block, bfq: do not move oom_bfqq (bsc#1241331).

This update for the Linux Kernel 4.12.14-122_231 fixes several issues.

The following security issues were fixed:

• CVE-2024-56601: net: inet: do not leave a dangling sk pointer in inet_create() (bsc#1235231).
• CVE-2024-50279: dm cache: fix out-of-bounds access to the dirty bitset when resizing (bsc#1233708).
• CVE-2024-50301: security/keys: fix slab-out-of-bounds in key_task_permission (bsc#1233680).
• CVE-2024-56605: Bluetooth: L2CAP: do not leave dangling sk pointer on error in l2cap_sock_create() (bsc#1235062).
• CVE-2024-50125: Bluetooth: SCO: Fix UAF on sco_sock_timeout (bsc#1232929).
• CVE-2022-49545: ALSA: usb-audio: Cancel pending work at closing a MIDI substream (bsc#1238730).
• CVE-2022-49179: block, bfq: do not move oom_bfqq (bsc#1241331).

This update for the Linux Kernel 4.12.14-122_222 fixes several issues.

The following security issues were fixed:

• CVE-2024-56601: net: inet: do not leave a dangling sk pointer in inet_create() (bsc#1235231).
• CVE-2024-50279: dm cache: fix out-of-bounds access to the dirty bitset when resizing (bsc#1233708).
• CVE-2024-50301: security/keys: fix slab-out-of-bounds in key_task_permission (bsc#1233680).
• CVE-2024-56605: Bluetooth: L2CAP: do not leave dangling sk pointer on error in l2cap_sock_create() (bsc#1235062).
• CVE-2024-50125: Bluetooth: SCO: Fix UAF on sco_sock_timeout (bsc#1232929).
• CVE-2024-40937: gve: Clear napi->skb before dev_kfree_skb_any() (bsc#1227903).
• CVE-2022-49545: ALSA: usb-audio: Cancel pending work at closing a MIDI substream (bsc#1238730).
• CVE-2022-49179: block, bfq: do not move oom_bfqq (bsc#1241331).

This update for the Linux Kernel 4.12.14-122_237 fixes several issues.

The following security issues were fixed:

• CVE-2024-56601: net: inet: do not leave a dangling sk pointer in inet_create() (bsc#1235231).
• CVE-2024-56605: Bluetooth: L2CAP: do not leave dangling sk pointer on error in l2cap_sock_create() (bsc#1235062).
• CVE-2022-49545: ALSA: usb-audio: Cancel pending work at closing a MIDI substream (bsc#1238730).
• CVE-2022-49179: block, bfq: do not move oom_bfqq (bsc#1241331).

This update for the Linux Kernel 4.12.14-122_250 fixes several issues.

The following security issues were fixed:

• CVE-2022-49545: ALSA: usb-audio: Cancel pending work at closing a MIDI substream (bsc#1238730).
• CVE-2022-49179: block, bfq: do not move oom_bfqq (bsc#1241331).

This update for the Linux Kernel 4.12.14-122_255 fixes one issue.

The following security issue was fixed:

• CVE-2022-49179: block, bfq: do not move oom_bfqq (bsc#1241331).

The SUSE Linux Enterprise 15 SP4 kernel was updated to receive various security bugfixes.

The following security bugs were fixed:

• CVE-2024-2201: Fixed information leak in x86/BHI (bsc#1217339).
• CVE-2024-41092: drm/i915/gt: Fix potential UAF by revoke of fence registers (bsc#1228483).
• CVE-2024-42098: crypto: ecdh - explicitly zeroize private_key (bsc#1228779).
• CVE-2024-42229: crypto: aead,cipher - zeroize key buffer after use (bsc#1228708).
• CVE-2024-57996: net_sched: sch_sfq: do not allow 1 packet limit (bsc#1239076).
• CVE-2024-58014: wifi: brcmsmac: add gain range check to wlc_phy_iqcal_gainparams_nphy() (bsc#1239109).
• CVE-2025-21718: net: rose: fix timer races against user threads (bsc#1239073).
• CVE-2025-21780: drm/amdgpu: avoid buffer overflow attach in smu_sys_set_pp_table() (bsc#1239115).

The following non-security bugs were fixed:

• initcall_blacklist: Does not allow kernel_lockdown be blacklisted (bsc#1237521).
• x86/bhi: Avoid warning in #DB handler due to BHI mitigation (git-fixes).
• x86/bugs: Cache the value of MSR_IA32_ARCH_CAPABILITIES (git-fixes).
• x86/bugs: Fix BHI documentation (git-fixes).
• x86/bugs: Fix BHI handling of RRSBA (git-fixes).
• x86/bugs: Fix BHI retpoline check (git-fixes).
• x86/bugs: Fix return type of spectre_bhi_state() (git-fixes).
• x86/bugs: Remove CONFIG_BHI_MITIGATION_AUTO and spectre_bhi=auto (git-fixes).

The SUSE Linux Enterprise 15 SP5 RT kernel was updated to receive various security bugfixes.

The following security bugs were fixed:

• CVE-2022-49053: scsi: target: tcmu: Fix possible page UAF (bsc#1237918).
• CVE-2022-49465: blk-throttle: Set BIO_THROTTLED when bio has been throttled (bsc#1238919).
• CVE-2022-49739: gfs2: Always check inode size of inline inodes (bsc#1240207).
• CVE-2023-52935: mm/khugepaged: fix ->anon_vma race (bsc#1240276).
• CVE-2024-53124: net: fix data-races around sk->sk_forward_alloc (bsc#1234074).
• CVE-2024-53176: smb: During unmount, ensure all cached dir instances drop their dentry (bsc#1234894).
• CVE-2024-53178: smb: Do not leak cfid when reconnect races with open_cached_dir (bsc#1234895).
• CVE-2024-56651: can: hi311x: hi3110_can_ist(): fix potential use-after-free (bsc#1235528).
• CVE-2024-57996: net_sched: sch_sfq: do not allow 1 packet limit (bsc#1239076).
• CVE-2024-58013: Bluetooth: MGMT: Fix slab-use-after-free Read in mgmt_remove_adv_monitor_sync (bsc#1239095).
• CVE-2024-58014: wifi: brcmsmac: add gain range check to wlc_phy_iqcal_gainparams_nphy() (bsc#1239109).
• CVE-2025-21693: mm: zswap: properly synchronize freeing resources during CPU hotunplug (bsc#1237029).
• CVE-2025-21718: net: rose: fix timer races against user threads (bsc#1239073).
• CVE-2025-21772: partitions: mac: fix handling of bogus partition table (bsc#1238911).
• CVE-2025-21780: drm/amdgpu: avoid buffer overflow attach in smu_sys_set_pp_table() (bsc#1239115).

The following non-security bugs were fixed:

• ACPI: processor: idle: Return an error if both P_LVL{2,3} idle states are invalid (bsc#1237530).
• RDMA/mana_ib: Prefer struct_size over open coded arithmetic (bsc#1239016).
• RDMA/mana_ib: Use v2 version of cfg_rx_steer_req to enable RX coalescing (bsc#1239016).
• Revert 'gfs2: Fix inode height consistency check (git-fixes).
• btrfs: defrag: do not use merged extent map for their generation check (bsc#1239968).
• btrfs: fix defrag not merging contiguous extents due to merged extent maps (bsc#1239968).
• btrfs: fix extent map merging not happening for adjacent extents (bsc#1239968).
• btrfs: send: allow cloning non-aligned extent if it ends at i_size (bsc#1239969).
• btrfs: send: fix invalid clone operation for file that got its size decreased (bsc#1239969).
• cifs: Add a laundromat thread for cached directories (git-fixes).
• cifs: fix potential null pointer use in destroy_workqueue in init_cifs error path (git-fixes).
• gfs2: Fix inode height consistency check (git-fixes).
• mm/mmu_notifier.c: fix race in mmu_interval_notifier_remove() (bsc#1239126).
• mm: zswap: move allocations during CPU init outside the lock (git-fixes).
• net: mana: Add flex array to struct mana_cfg_rx_steer_req_v2 (bsc#1239016).
• net: mana: Allow variable size indirection table (bsc#1239016).
• net: mana: Avoid open coded arithmetic (bsc#1239016).
• net: mana: Support holes in device list reply msg (bsc#1240133).
• sched/membarrier: Fix redundant load of membarrier_state (bsc#1232743).
• smb3: allow controlling length of time directory entries are cached with dir leases (git-fixes).
• smb3: do not start laundromat thread when dir leases disabled (git-fixes).
• smb3: retrying on failed server close (git-fixes).
• smb: client: destroy cfid_put_wq on module exit (git-fixes).
• smb: client: disable directory caching when dir_cache_timeout is zero (git-fixes).
• smb: client: do not start laundromat thread on nohandlecache (git-fixes).
• smb: client: make laundromat a delayed worker (git-fixes).
• smb: client: properly close cfids on umount (bsc#1231432, bsc#1232299, bsc#1235599, bsc#1234896).
• tpm: send_data: Wait longer for the TPM to become ready (bsc#1235870).

The SUSE Linux Enterprise 15 SP4 RT kernel was updated to receive various security bugfixes.

The following security bugs were fixed:

• CVE-2022-49053: scsi: target: tcmu: Fix possible page UAF (bsc#1237918).
• CVE-2022-49465: blk-throttle: Set BIO_THROTTLED when bio has been throttled (bsc#1238919).
• CVE-2022-49739: gfs2: Always check inode size of inline inodes (bsc#1240207).
• CVE-2023-52935: mm/khugepaged: fix ->anon_vma race (bsc#1240276).
• CVE-2024-2201: Fixed information leak in x86/BHI (bsc#1217339).
• CVE-2024-41092: drm/i915/gt: Fix potential UAF by revoke of fence registers (bsc#1228483).
• CVE-2024-42098: crypto: ecdh - explicitly zeroize private_key (bsc#1228779).
• CVE-2024-42229: crypto: aead,cipher - zeroize key buffer after use (bsc#1228708).
• CVE-2024-53064: idpf: fix idpf_vc_core_init error path (bsc#1233558 bsc#1234464).
• CVE-2024-56651: can: hi311x: hi3110_can_ist(): fix potential use-after-free (bsc#1235528).
• CVE-2024-57996: net_sched: sch_sfq: do not allow 1 packet limit (bsc#1239076).
• CVE-2024-58014: wifi: brcmsmac: add gain range check to wlc_phy_iqcal_gainparams_nphy() (bsc#1239109).
• CVE-2024-58083: KVM: Explicitly verify target vCPU is online in kvm_get_vcpu() (bsc#1239036).
• CVE-2025-21693: mm: zswap: properly synchronize freeing resources during CPU hotunplug (bsc#1237029).
• CVE-2025-21714: RDMA/mlx5: Fix implicit ODP use after free (bsc#1237890).
• CVE-2025-21718: net: rose: fix timer races against user threads (bsc#1239073).
• CVE-2025-21732: RDMA/mlx5: Fix a race for an ODP MR which leads to CQE with error (bsc#1237877).
• CVE-2025-21753: btrfs: fix use-after-free when attempting to join an aborted transaction (bsc#1237875).
• CVE-2025-21772: partitions: mac: fix handling of bogus partition table (bsc#1238911).
• CVE-2025-21780: drm/amdgpu: avoid buffer overflow attach in smu_sys_set_pp_table() (bsc#1239115).
• CVE-2025-21839: kABI: Fix kABI after backport od CVE-2025-21839 (bsc#1239061).

The following non-security bugs were fixed:

• ACPI: processor: idle: Return an error if both P_LVL{2,3} idle states are invalid (bsc#1237530).
• RDMA/mana_ib: Prefer struct_size over open coded arithmetic (bsc#1239016).
• RDMA/mana_ib: Use v2 version of cfg_rx_steer_req to enable RX coalescing (bsc#1239016).
• RDMA/mlx5: Fix implicit ODP hang on parent deregistration (git-fixes)
• btrfs: defrag: do not use merged extent map for their generation check (bsc#1239968).
• btrfs: fix defrag not merging contiguous extents due to merged extent maps (bsc#1239968).
• btrfs: fix extent map merging not happening for adjacent extents (bsc#1239968).
• btrfs: send: allow cloning non-aligned extent if it ends at i_size (bsc#1239969).
• btrfs: send: fix invalid clone operation for file that got its size decreased (bsc#1239969).
• gfs2: Fix inode height consistency check (git-fixes).
• mm/mmu_notifier.c: fix race in mmu_interval_notifier_remove() (bsc#1239126).
• mm: zswap: move allocations during CPU init outside the lock (git-fixes).
• net: mana: Add flex array to struct mana_cfg_rx_steer_req_v2 (bsc#1239016).
• net: mana: Allow variable size indirection table (bsc#1239016).
• net: mana: Avoid open coded arithmetic (bsc#1239016).
• net: mana: Fix error handling in mana_create_txq/rxq's NAPI cleanup (bsc#1240195).
• net: mana: Support holes in device list reply msg (bsc#1240133).
• x86/bhi: Avoid warning in #DB handler due to BHI mitigation (git-fixes).
• x86/bugs: Cache the value of MSR_IA32_ARCH_CAPABILITIES (git-fixes).
• x86/bugs: Fix BHI documentation (git-fixes).
• x86/bugs: Fix BHI handling of RRSBA (git-fixes).
• x86/bugs: Fix BHI retpoline check (git-fixes).
• x86/bugs: Fix return type of spectre_bhi_state() (git-fixes).
• x86/bugs: Remove CONFIG_BHI_MITIGATION_AUTO and spectre_bhi=auto (git-fixes).

The SUSE Linux Enterprise 15 SP5 kernel was updated to receive various security bugfixes.

The following security bugs were fixed:

• CVE-2022-49053: scsi: target: tcmu: Fix possible page UAF (bsc#1237918).
• CVE-2022-49465: blk-throttle: Set BIO_THROTTLED when bio has been throttled (bsc#1238919).
• CVE-2022-49739: gfs2: Always check inode size of inline inodes (bsc#1240207).
• CVE-2023-52935: mm/khugepaged: fix ->anon_vma race (bsc#1240276).
• CVE-2024-53124: net: fix data-races around sk->sk_forward_alloc (bsc#1234074).
• CVE-2024-53176: smb: During unmount, ensure all cached dir instances drop their dentry (bsc#1234894).
• CVE-2024-53178: smb: Do not leak cfid when reconnect races with open_cached_dir (bsc#1234895).
• CVE-2024-56651: can: hi311x: hi3110_can_ist(): fix potential use-after-free (bsc#1235528).
• CVE-2024-57996: net_sched: sch_sfq: do not allow 1 packet limit (bsc#1239076).
• CVE-2024-58013: Bluetooth: MGMT: Fix slab-use-after-free Read in mgmt_remove_adv_monitor_sync (bsc#1239095).
• CVE-2024-58014: wifi: brcmsmac: add gain range check to wlc_phy_iqcal_gainparams_nphy() (bsc#1239109).
• CVE-2025-21693: mm: zswap: properly synchronize freeing resources during CPU hotunplug (bsc#1237029).
• CVE-2025-21718: net: rose: fix timer races against user threads (bsc#1239073).
• CVE-2025-21772: partitions: mac: fix handling of bogus partition table (bsc#1238911).
• CVE-2025-21780: drm/amdgpu: avoid buffer overflow attach in smu_sys_set_pp_table() (bsc#1239115).

The following non-security bugs were fixed:

• ACPI: processor: idle: Return an error if both P_LVL{2,3} idle states are invalid (bsc#1237530).
• btrfs: defrag: do not use merged extent map for their generation check (bsc#1239968).
• btrfs: fix defrag not merging contiguous extents due to merged extent maps (bsc#1239968).
• btrfs: fix extent map merging not happening for adjacent extents (bsc#1239968).
• btrfs: send: allow cloning non-aligned extent if it ends at i_size (bsc#1239969).
• btrfs: send: fix invalid clone operation for file that got its size decreased (bsc#1239969).
• cifs: Add a laundromat thread for cached directories (git-fixes).
• cifs: fix potential null pointer use in destroy_workqueue in init_cifs error path (git-fixes).
• gfs2: Fix inode height consistency check (git-fixes).
• mm: zswap: move allocations during CPU init outside the lock (git-fixes).
• mm/mmu_notifier.c: fix race in mmu_interval_notifier_remove() (bsc#1239126).
• net: mana: Add flex array to struct mana_cfg_rx_steer_req_v2 (bsc#1239016).
• net: mana: Allow variable size indirection table (bsc#1239016).
• net: mana: Avoid open coded arithmetic (bsc#1239016).
• net: mana: Support holes in device list reply msg (bsc#1240133).
• RDMA/mana_ib: Prefer struct_size over open coded arithmetic (bsc#1239016).
• RDMA/mana_ib: Use v2 version of cfg_rx_steer_req to enable RX coalescing (bsc#1239016).
• sched/membarrier: Fix redundant load of membarrier_state (bsc#1232743).
• smb: client: destroy cfid_put_wq on module exit (git-fixes).
• smb: client: disable directory caching when dir_cache_timeout is zero (git-fixes).
• smb: client: do not start laundromat thread on nohandlecache (git-fixes).
• smb: client: make laundromat a delayed worker (git-fixes).
• smb: client: properly close cfids on umount (bsc#1231432, bsc#1232299, bsc#1235599, bsc#1234896).
• smb3: allow controlling length of time directory entries are cached with dir leases (git-fixes).
• smb3: do not start laundromat thread when dir leases disabled (git-fixes).
• smb3: retrying on failed server close (git-fixes).
• tpm: send_data: Wait longer for the TPM to become ready (bsc#1235870).

This update for the SUSE Linux Enterprise kernel 4.12.14-122.231 fixes various security issues

The following security issues were fixed:

• CVE-2022-48956: ipv6: avoid use-after-free in ip6_fragment() (bsc#1232637).
• CVE-2022-49014: net: tun: Fix use-after-free in tun_detach() (bsc#1232818).
• CVE-2022-49053: scsi: target: tcmu: Fix possible page UAF (bsc#1237930).
• CVE-2022-49080: mm/mempolicy: fix mpol_new leak in shared_policy_replace (bsc#1238324).
• CVE-2022-49179: block, bfq: don't move oom_bfqq (bsc#1241331).
• CVE-2022-49465: blk-throttle: set BIO_THROTTLED when bio has been throttled (bsc#1238920).
• CVE-2022-49545: ALSA: usb-audio: cancel pending work at closing a MIDI substream (bsc#1238730).
• CVE-2022-49563: crypto: qat - add param check for RSA (bsc#1238788).
• CVE-2022-49564: crypto: qat - add param check for DH (bsc#1238790).
• CVE-2022-50252: igb: Do not free q_vector unless new one was allocated (bsc#1249847).
• CVE-2022-50386: Bluetooth: L2CAP: Fix user-after-free (bsc#1250302).
• CVE-2024-45016: netem: fix return value if duplicate enqueue fails (bsc#1230998).
• CVE-2024-46818: drm/amd/display: check gpio_id before used as array index (bsc#1231204).
• CVE-2024-47674: mm: avoid leaving partial pfn mappings around in error case (bsc#1231676).
• CVE-2024-47684: tcp: check skb is non-NULL in tcp_rto_delta_us() (bsc#1231993).
• CVE-2024-47706: block, bfq: fix possible UAF for bfqq->bic with merge chain (bsc#1231943).
• CVE-2024-49860: ACPI: sysfs: validate return type of _STR method (bsc#1231862).
• CVE-2024-50115: KVM: nSVM: Ignore nCR3[4:0] when loading PDPTEs from memory (bsc#1233019).
• CVE-2024-50125: Bluetooth: SCO: Fix UAF on sco_sock_timeout (bsc#1232929).
• CVE-2024-50154: tcp/dccp: Don't use timer_pending() in reqsk_queue_unlink() (bsc#1233072).
• CVE-2024-50264: vsock/virtio: Initialization of the dangling pointer occurring in vsk->trans (bsc#1233712).
• CVE-2024-50279: dm cache: fix out-of-bounds access to the dirty bitset when resizing (bsc#1233708).
• CVE-2024-50301: security/keys: fix slab-out-of-bounds in key_task_permission (bsc#1233680).
• CVE-2024-50302: HID: core: zero-initialize the report buffer (bsc#1233679).
• CVE-2024-53104: media: uvcvideo: Skip parsing frames of type UVC_VS_UNDEFINED in uvc_parse_format (bsc#1236783).
• CVE-2024-53146: NFSD: prevent a potential integer overflow (bsc#1234854).
• CVE-2024-53156: wifi: ath9k: add range check for conn_rsp_epid in htc_connect_service() (bsc#1234847).
• CVE-2024-53168: sunrpc: fix one UAF issue caused by sunrpc kernel tcp socket (bsc#1243650).
• CVE-2024-53173: NFSv4.0: Fix a use-after-free problem in the asynchronous open() (bsc#1234892).
• CVE-2024-53214: vfio/pci: Properly hide first-in-list PCIe extended capability (bsc#1235005).
• CVE-2024-56600: net: inet6: do not leave a dangling sk pointer in inet6_create() (bsc#1235218).
• CVE-2024-56601: net: inet: do not leave a dangling sk pointer in inet_create() (bsc#1235231).
• CVE-2024-56605: Bluetooth: L2CAP: do not leave dangling sk pointer on error in l2cap_sock_create() (bsc#1235062).
• CVE-2024-56650: netfilter: x_tables: fix LED ID check in led_tg_check() (bsc#1235431).
• CVE-2024-56664: bpf, sockmap: fix race between element replace and close() (bsc#1235250).
• CVE-2024-57893: ALSA: seq: oss: fix races at processing SysEx messages (bsc#1235921).
• CVE-2024-57996: net_sched: sch_sfq: don't allow 1 packet limit (bsc#1239077).
• CVE-2024-8805: BlueZ HID over GATT Profile Improper Access Control Remote Code Execution Vulnerability (bsc#1240840).
• CVE-2025-21702: pfifo_tail_enqueue: Drop new packet when sch->limit == 0 (bsc#1245797).
• CVE-2025-21772: partitions: mac: fix handling of bogus partition table (bsc#1238912).
• CVE-2025-21791: vrf: use RCU protection in l3mdev_l3_out() (bsc#1240744).
• CVE-2025-21971: net_sched: Prevent creation of classes with TC_H_ROOT (bsc#1245794).
• CVE-2025-37752: net_sched: sch_sfq: move the limit validation (bsc#1245776).
• CVE-2025-37797:…

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems:

• PowerPC architecture;
• Block layer subsystem;
• ACPI drivers;
• NILFS2 file system;
• File systems infrastructure;
• Memory management;
• Network traffic control;
• USB sound devices; (CVE-2025-37932, CVE-2024-53197, CVE-2024-50116, CVE-2021-47379, CVE-2024-49958, CVE-2022-49179, CVE-2024-46787, CVE-2024-41070, CVE-2025-38000, CVE-2024-56662, CVE-2022-49176, CVE-2025-37798)

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems:

• PowerPC architecture;
• Block layer subsystem;
• ACPI drivers;
• NILFS2 file system;
• File systems infrastructure;
• Memory management;
• Network traffic control;
• USB sound devices; (CVE-2025-37932, CVE-2024-53197, CVE-2024-50116, CVE-2021-47379, CVE-2024-49958, CVE-2022-49179, CVE-2024-46787, CVE-2024-41070, CVE-2025-38000, CVE-2024-56662, CVE-2022-49176, CVE-2025-37798)