CVE-2023-52999

In the Linux kernel, the following vulnerability has been resolved: net: fix UaF in netns ops registration error path If net_assign_generic() fails, the current error path in ops_init() tries to clear the gen pointer slot. Anyway, in such error path, the gen pointer itself has not been modified yet, and the existing and accessed one is smaller than the accessed index, causing an out-of-bounds error: BUG: KASAN: slab-out-of-bounds in ops_init+0x2de/0x320 Write of size 8 at addr ffff888109124978 by task modprobe/1018 CPU: 2 PID: 1018 Comm: modprobe Not tainted 6.2.0-rc2.mptcp_ae5ac65fbed5+ #1641 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.1-2.fc37 04/01/2014 Call Trace: <TASK> dump_stack_lvl+0x6a/0x9f print_address_description.constprop.0+0x86/0x2b5 print_report+0x11b/0x1fb kasan_report+0x87/0xc0 ops_init+0x2de/0x320 register_pernet_operations+0x2e4/0x750 register_pernet_subsys+0x24/0x40 tcf_register_action+0x9f/0x560 do_one_initcall+0xf9/0x570 do_init_module+0x190/0x650 load_module+0x1fa5/0x23c0 __do_sys_finit_module+0x10d/0x1b0 do_syscall_64+0x58/0x80 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7f42518f778d Code: 00 c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d cb 56 2c 00 f7 d8 64 89 01 48 RSP: 002b:00007fff96869688 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 RAX: ffffffffffffffda RBX: 00005568ef7f7c90 RCX: 00007f42518f778d RDX: 0000000000000000 RSI: 00005568ef41d796 RDI: 0000000000000003 RBP: 00005568ef41d796 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000003 R11: 0000000000000246 R12: 0000000000000000 R13: 00005568ef7f7d30 R14: 0000000000040000 R15: 0000000000000000 </TASK> This change addresses the issue by skipping the gen pointer de-reference in the mentioned error-path. Found by code inspection and verified with explicit error injection on a kasan-enabled kernel.

In the Linux kernel, the following vulnerability has been resolved: net: fix UaF in netns ops registration error path If net_assign_generic() fails, the current error path in ops_init() tries to clear the gen pointer slot. Anyway, in such error path, the gen pointer itself has not been modified yet, and the existing and accessed one is smaller than the accessed index, causing an out-of-bounds error: BUG: KASAN: slab-out-of-bounds in ops_init+0x2de/0x320 Write of size 8 at addr ffff888109124978 by task modprobe/1018 CPU: 2 PID: 1018 Comm: modprobe Not tainted 6.2.0-rc2.mptcp_ae5ac65fbed5+ #1641 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.1-2.fc37 04/01/2014 Call Trace: <TASK> dump_stack_lvl+0x6a/0x9f print_address_description.constprop.0+0x86/0x2b5 print_report+0x11b/0x1fb kasan_report+0x87/0xc0 ops_init+0x2de/0x320 register_pernet_operations+0x2e4/0x750 register_pernet_subsys+0x24/0x40 tcf_register_action+0x9f/0x560 do_one_initcall+0xf9/0x570 do_init_module+0x190/0x650 load_module+0x1fa5/0x23c0 __do_sys_finit_module+0x10d/0x1b0 do_syscall_64+0x58/0x80 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7f42518f778d Code: 00 c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d cb 56 2c 00 f7 d8 64 89 01 48 RSP: 002b:00007fff96869688 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 RAX: ffffffffffffffda RBX: 00005568ef7f7c90 RCX: 00007f42518f778d RDX: 0000000000000000 RSI: 00005568ef41d796 RDI: 0000000000000003 RBP: 00005568ef41d796 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000003 R11: 0000000000000246 R12: 0000000000000000 R13: 00005568ef7f7d30 R14: 0000000000040000 R15: 0000000000000000 </TASK> This change addresses the issue by skipping the gen pointer de-reference in the mentioned error-path. Found by code inspection and verified with explicit error injection on a kasan-enabled kernel.

• drm/amd/amdgpu: introduce gc_*_mes_2.bin v2
• proc: fix a dentry lock race between release_task and lookup
• scsi: aacraid: Stop using PCI_IRQ_AFFINITY
• scsi: aacraid: Remove useless code
• scsi: aacraid: Remove unused aac_check_health()
• scsi: aacraid: struct {user,}sgmap{,64,raw}: Replace 1-element arrays with flexible arrays
• scsi: aacraid: Rearrange order of struct aac_srb_unit
• scsi: aacraid: struct aac_ciss_phys_luns_resp: Replace 1-element array with flexible array
• scsi: aacraid: union aac_init: Replace 1-element array with flexible array
• scsi: aacraid: aachba: Replace snprintf() with the safer scnprintf() variant
• Revert "scsi: aacraid: Reply queue mapping to CPUs based on IRQ affinity"
• scsi: aacraid: Avoid -Warray-bounds warning
• scsi: aacraid: Reply queue mapping to CPUs based on IRQ affinity
• scsi: aacraid: Replace all non-returning strlcpy with strscpy
• scsi: aacraid: Declare SCSI host template const
• scsi: aacraid: Drop redundant pci_enable_pcie_error_reporting()
• scsi: aacraid: Allocate cmd_priv with scsicmd
• scsi: aacraid: Remove redundant "the"
• scsi: aacraid: Fix undefined behavior due to shift overflowing the constant
• scsi: aacraid: Clean up some inconsistent indenting
• scsi: aacraid: Move the SCSI pointer to private command data
• scsi: aacraid: Fix spelling of "its"
• scsi: aacraid: Call scsi_done() directly
• scsi: aacraid: Introduce aac_scsi_done()
• scsi: aacraid: Use scsi_cmd_to_rq() instead of scsi_cmnd.request
• scsi: aacraid: Remove an unused include
• x86/sev: Check for MWAITX and MONITORX opcodes in the #VC handler {CVE-2024-25743}
• net: sched: sfb: fix null pointer access issue when sfb_init() fails {CVE-2022-50356}
• ipv6: mcast: Delay put pmc->idev in mld_del_delrec() {CVE-2025-38550}
• scsi: lpfc: Use memcpy() for BIOS version {CVE-2025-38332}
• PM: hibernate: defer device probing when resuming from hibernation {CVE-2022-50202}
• net: fix UaF in netns ops registration error path {CVE-2023-52999}
• net: fix UAF issue in nfqnl_nf_hook_drop() when ops_init() failed {CVE-2023-52999}
• usb: typec: fix potential array underflow in ucsi_ccg_sync_control() {CVE-2024-53203}
• soundwire: cadence: fix invalid PDI offset {CVE-2024-38635}
• drm/i915/vma: Fix UAF on destroy against retire race {CVE-2024-26939}
• netns: Make get_net_ns() handle zero refcount net {CVE-2024-40958}
• bonding: Fix out-of-bounds read in bond_option_arp_ip_targets_set() {CVE-2024-39487}
• wifi: iwlwifi: mvm: guard against invalid STA ID on removal {CVE-2024-36921}
• wifi: ath11k: fix gtk offload status event locking {CVE-2023-52777}
• wifi: mac80211: fix potential key use-after-free {CVE-2023-52530}
• i2c: mlxbf: prevent stack overflow in mlxbf_i2c_smbus_start_transaction() {CVE-2022-48632}
• net/sched: act_mirred: don't override retval if we already lost the skb {CVE-2024-26739}
• can: j1939: j1939_netdev_start(): fix UAF for rx_kref of j1939_priv {CVE-2021-47459}
• net: hns3: fix use-after-free bug in hclgevf_send_mbx_msg {CVE-2021-47596}
• Squashfs: check the inode number is not the invalid value of zero {CVE-2024-26982}
• crypto: qat - resolve race condition during AER recovery {CVE-2024-26974}
• crypto: qat - fix double free during reset
• media: pvrusb2: fix use after free on context disconnection {CVE-2023-52445}
• fs/smb/client: Reset password pointer to NULL {CVE-2023-5345}

The SUSE Linux Enterprise 12 SP5 kernel was updated to fix various security issues

The following security issues were fixed:

• CVE-2022-50347: mmc: rtsx_usb_sdmmc: fix return value check of mmc_add_host() (bsc#1249928).
• CVE-2022-50580: blk-throttle: prevent overflow while calculating wait time (bsc#1252542).
• CVE-2022-50676: net: rds: don't hold sock lock when cancelling work from rds_tcp_reset_callbacks() (bsc#1254689).
• CVE-2022-50697: mrp: introduce active flags to prevent UAF when applicant uninit (bsc#1255594).
• CVE-2022-50709: wifi: ath9k: avoid uninit memory read in ath9k_htc_rx_msg() (bsc#1255565).
• CVE-2022-50716: wifi: ar5523: Fix use-after-free on ar5523_cmd() timed out (bsc#1255839).
• CVE-2022-50717: nvmet-tcp: add bounds check on Transfer Tag (bsc#1255844).
• CVE-2022-50719: ALSA: line6: fix stack overflow in line6_midi_transmit (bsc#1255939).
• CVE-2022-50740: wifi: ath9k: hif_usb: fix memory leak of urbs in ath9k_hif_usb_dealloc_tx_urbs() (bsc#1256155).
• CVE-2022-50744: scsi: lpfc: Fix hard lockup when reading the rx_monitor from debugfs (bsc#1256165).
• CVE-2022-50749: acct: fix potential integer overflow in encode_comp_t() (bsc#1256191).
• CVE-2022-50751: configfs: fix possible memory leak in configfs_create_dir() (bsc#1256184).
• CVE-2022-50760: drm/amdgpu: Fix PCI device refcount leak in amdgpu_atrm_get_bios() (bsc#1255983).
• CVE-2022-50770: ocfs2: fix memory leak in ocfs2_mount_volume() (bsc#1256221).
• CVE-2022-50777: net: phy: xgmiitorgmii: Fix refcount leak in xgmiitorgmii_probe (bsc#1256320).
• CVE-2022-50780: net: fix UAF issue in nfqnl_nf_hook_drop() when ops_init() failed (bsc#1256305).
• CVE-2022-50782: ext4: fix bug_on in __es_tree_search caused by bad quota inode (bsc#1256282).
• CVE-2022-50786: media: s5p-mfc: Clear workbit to handle error condition (bsc#1256258).
• CVE-2022-50816: ipv6: ensure sane device mtu in tunnels (bsc#1256038).
• CVE-2022-50834: nfc: Fix potential resource leaks (bsc#1256219).
• CVE-2022-50865: tcp: fix a signed-integer-overflow bug in tcp_add_backlog() (bsc#1256168).
• CVE-2022-50868: hwrng: amd - Fix PCI device refcount leak (bsc#1256386).
• CVE-2022-50880: wifi: ath10k: add peer map clean up for peer delete in ath10k_sta_state() (bsc#1256132).
• CVE-2022-50881: ath9k: Fix typo in function name (bsc#1256130).
• CVE-2022-50884: drm: Prevent drm_copy_field() to attempt copying a NULL pointer (bsc#1256127).
• CVE-2022-50885: RDMA/rxe: Fix NULL-ptr-deref in rxe_qp_do_cleanup() when socket create failed (bsc#1256122).
• CVE-2022-50887: regulator: core: fix unbalanced of node refcount in regulator_dev_lookup() (bsc#1256125).
• CVE-2023-50756: nvme-pci: fix mempool alloc size (bsc#1256216).
• CVE-2023-53685: tun: Fix memory leak for detached NAPI queue (bsc#1251770).
• CVE-2023-53747: vc_screen: reload load of struct vc_data pointer in vcs_write() to avoid UAF (bsc#1254572).
• CVE-2023-53751: cifs: fix potential use-after-free bugs in TCP_Server_Info::hostname (bsc#1254986).
• CVE-2023-53825: kcm: Fix error handling for SOCK_DGRAM in kcm_sendmsg() (bsc#1254707).
• CVE-2023-53853: netlink: annotate accesses to nlk->cb_running (bsc#1254673).
• CVE-2023-53863: netlink: do not hard code device address lenth in fdb dumps (bsc#1254657).
• CVE-2023-53992: wifi: cfg80211: ocb: don't leave if not joined (bsc#1256058).
• CVE-2023-54012: net: fix stack overflow when LRO is disabled for virtual interfaces (bsc#1255571).
• CVE-2023-54047: drm/rockchip: dw_hdmi: cleanup drm encoder during unbind (bsc#1256398).
• CVE-2023-54048: RDMA/bnxt_re: Prevent handling any completions after qp destroy (bsc#1256395).
• CVE-2023-54067: btrfs: fix race when deleting free space root from the dirty cow roots list (bsc#1256369).
• CVE-2023-54111: pinctrl: rockchip: Fix refcount leak in rockchip_pinctrl_parse_groups (bsc#1256149).
• CVE-2023-54112: kcm: Fix memory leak in error path of kcm_sendmsg() (bsc#1256354).
• CVE-2023-54118: serial: sc16is7xx: setup GPIO controller later in probe…