CVE-2023-20593

An issue in “Zen 2” CPUs, under specific microarchitectural circumstances, may allow an attacker to potentially access sensitive information.

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

• kernel: ipvlan: out-of-bounds write caused by unclear skb->cb (CVE-2023-3090)

• kernel: UAF in nftables when nft_set_lookup_global triggered after handling named and anonymous sets in batch requests (CVE-2023-3390)

• kernel: net/sched: cls_fw component can be exploited as result of failure in tcf_change_indev function (CVE-2023-3776)

• kernel: netfilter: use-after-free due to improper element removal in nft_pipapo_remove() (CVE-2023-4004)

• kernel: nf_tables: stack-out-of-bounds-read in nft_byteorder_eval() (CVE-2023-35001)

• kernel: cls_flower: out-of-bounds write in fl_set_geneve_opt() (CVE-2023-35788)

• kernel: bluetooth: Unauthorized management command execution (CVE-2023-2002)

• hw: amd: Cross-Process Information Leak (CVE-2023-20593)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Bug Fix(es):

• low memory deadlock with md devices and external (imsm) metadata handling - requires a kernfs notification backport (BZ#2208540)

• Intel 8.9 BUG, SPR EMR FHF ACPI: Fix system hang during S3 wakeup (BZ#2218025)

• OCS 4.8, cephfs kernel crash: mds_dispatch ceph_handle_snap unable to handle kernel NULL (BZ#2218271)

• st_gmac: tx-checksum offload on vlan is not consistent with st_gmac interface (BZ#2219907)

• refcount_t overflow often happens in mem_cgroup_id_get_online() (BZ#2221010)

• avoid unnecessary page fault retires on shared memory types (BZ#2221100)

• enable conntrack clash resolution for GRE (BZ#2223542)

• ice: avoid bonding causing auxiliary plug/unplug under RTNL lock (BZ#2224515)

• libceph: harden msgr2.1 frame segment length checks [8.x] (BZ#2227073)

• Important iavf bug fixes July 2023 (BZ#2228161)

• i40e error: Cannot set interface MAC/vlanid to 1e:b7:e2:02:b1:aa/0 for ifname ens4f0 vf 0: Resource temporarily unavailable (BZ#2228163)

• oops on cifs_mount due to null tcon (BZ#2229128)

• iptables argument "--suppl-groups" in extension "owner" does not work in Rocky Linux8 (BZ#2229715)

• Hyper-V Rocky Linux 8: incomplete fc_transport implementation in storvsc causes null dereference in fc_timed_out() (BZ#2230743)

• Withdrawal: GFS2: could not freeze filesystem: -16 (BZ#2231825)

• Rocky Linux 8 Hyper-V: Excessive hv_storvsc driver logging with srb_status SRB_STATUS_INTERNAL_ERROR (0x30) (BZ#2231988)

• Rocky Linux-8: crypto: rng - Fix lock imbalance in crypto_del_rng (BZ#2232215)

• Intel 8.9 iavf: Driver Update (BZ#2232399)

• Hyper-V Rocky Linux-8 hv_storvsc driver logging excessive storvsc_log events for storvsc_on_io_completion() function (BZ#2233227)

Enhancement(s):

• Intel 8.9 FEAT, EMR perf: Add EMR CPU PMU support (BZ#2230152)

• Intel 8.9 FEAT, SPR EMR power: Add uncore frequency control driver (BZ#2230158)

• Intel 8.9 FEAT EMR perf: RAPL PMU support on EMR (BZ#2230162)

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

• kernel: ipvlan: out-of-bounds write caused by unclear skb->cb (CVE-2023-3090)

• kernel: UAF in nftables when nft_set_lookup_global triggered after handling named and anonymous sets in batch requests (CVE-2023-3390)

• kernel: net/sched: cls_fw component can be exploited as result of failure in tcf_change_indev function (CVE-2023-3776)

• kernel: netfilter: use-after-free due to improper element removal in nft_pipapo_remove() (CVE-2023-4004)

• kernel: nf_tables: stack-out-of-bounds-read in nft_byteorder_eval() (CVE-2023-35001)

• kernel: cls_flower: out-of-bounds write in fl_set_geneve_opt() (CVE-2023-35788)

• kernel: bluetooth: Unauthorized management command execution (CVE-2023-2002)

• hw: amd: Cross-Process Information Leak (CVE-2023-20593)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Bug Fix(es):

• low memory deadlock with md devices and external (imsm) metadata handling - requires a kernfs notification backport (BZ#2208540)

• Intel 8.9 BUG, SPR EMR FHF ACPI: Fix system hang during S3 wakeup (BZ#2218025)

• OCS 4.8, cephfs kernel crash: mds_dispatch ceph_handle_snap unable to handle kernel NULL (BZ#2218271)

• st_gmac: tx-checksum offload on vlan is not consistent with st_gmac interface (BZ#2219907)

• refcount_t overflow often happens in mem_cgroup_id_get_online() (BZ#2221010)

• avoid unnecessary page fault retires on shared memory types (BZ#2221100)

• enable conntrack clash resolution for GRE (BZ#2223542)

• ice: avoid bonding causing auxiliary plug/unplug under RTNL lock (BZ#2224515)

• libceph: harden msgr2.1 frame segment length checks [8.x] (BZ#2227073)

• Important iavf bug fixes July 2023 (BZ#2228161)

• i40e error: Cannot set interface MAC/vlanid to 1e:b7:e2:02:b1:aa/0 for ifname ens4f0 vf 0: Resource temporarily unavailable (BZ#2228163)

• oops on cifs_mount due to null tcon (BZ#2229128)

• iptables argument "--suppl-groups" in extension "owner" does not work in Rocky Linux SIG Cloud8 (BZ#2229715)

• Hyper-V Rocky Linux SIG Cloud 8: incomplete fc_transport implementation in storvsc causes null dereference in fc_timed_out() (BZ#2230743)

• Withdrawal: GFS2: could not freeze filesystem: -16 (BZ#2231825)

• Rocky Linux SIG Cloud 8 Hyper-V: Excessive hv_storvsc driver logging with srb_status SRB_STATUS_INTERNAL_ERROR (0x30) (BZ#2231988)

• Rocky Linux SIG Cloud-8: crypto: rng - Fix lock imbalance in crypto_del_rng (BZ#2232215)

• Intel 8.9 iavf: Driver Update (BZ#2232399)

• Hyper-V Rocky Linux SIG Cloud-8 hv_storvsc driver logging excessive storvsc_log events for storvsc_on_io_completion() function (BZ#2233227)

Enhancement(s):

• Intel 8.9 FEAT, EMR perf: Add EMR CPU PMU support (BZ#2230152)

• Intel 8.9 FEAT, SPR EMR power: Add uncore frequency control driver (BZ#2230158)

• Intel 8.9 FEAT EMR perf: RAPL PMU support on EMR (BZ#2230162)

An issue in “Zen 2” CPUs, under specific microarchitectural circumstances, may allow an attacker to potentially access sensitive information.

The linux-firmware packages contain all of the firmware files that are required by various devices to operate.

Security Fix(es):

• hw: amd: Cross-Process Information Leak (CVE-2023-20593)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

The kernel packages contain the Linux kernel, the core of any Linux operating system.

The following packages have been upgraded to a later upstream version: kernel (5.14.0).

Security Fix(es):

• kernel: UAF in nftables when nft_set_lookup_global triggered after handling named and anonymous sets in batch requests (CVE-2023-3390)
• kernel: netfilter: nf_tables: fix chain binding transaction logic in the abort path of NFT_MSG_NEWRULE (CVE-2023-3610)
• kernel: net/sched: cls_fw component can be exploited as result of failure in tcf_change_indev function (CVE-2023-3776)
• kernel: netfilter: use-after-free due to improper element removal in nft_pipapo_remove() (CVE-2023-4004)
• kernel: netfilter: nf_tables_newrule when adding a rule with NFTA_RULE_CHAIN_ID leads to use-after-free (CVE-2023-4147)
• kernel: nf_tables: use-after-free in nft_chain_lookup_byid() (CVE-2023-31248)
• kernel: nf_tables: stack-out-of-bounds-read in nft_byteorder_eval() (CVE-2023-35001)
• kernel: save/restore speculative MSRs during S3 suspend/resume (CVE-2023-1637)
• hw: amd: Cross-Process Information Leak (CVE-2023-20593)
• kernel: bypass of shadow stack protection due to a logic error (CVE-2023-21102)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Bug Fix(es):

• [Intel 9.3 BUG] [SPR][EMR][FHF] ACPI: Fix system hang during S3 wakeup (BZ#2218026)
• [Dell 9.2 BUG] Monitor lost after replug WD19TBS to SUT port wiith VGA/DVI to type-C dongle (BZ#2219463)
• rtmutex: Incorrect waiter woken when requeueing in rt_mutex_adjust_prio_chain() (BZ#2222121)
• AlmaLinux AWS ARM Instability During Microshift e2e tests (BZ#2223310)
• AlmaLinux 9.x updates for SEV-SNP guest support (BZ#2224587)
• Lock state corruption from nested rtmutex blocking in blk_flush_plug() (BZ#2225623)
• bpf_jit_limit hit again - copy_seccomp() fix (BZ#2226945)
• libceph: harden msgr2.1 frame segment length checks (BZ#2227070)
• Temporary values used for the FIPS integrity test should be zeroized after use (BZ#2227768)
• Important iavf bug fixes July 2023 (BZ#2228156)
• [i40e/ice] error: Cannot set interface MAC/vlanid to 1e:b7:e2:02:b1:aa/0 for ifname ens4f0 vf 0: Resource temporarily unavailable (BZ#2228158)
• lvconvert --splitcache, --uncache operations getting hung (BZ#2228481)
• perf: EMR core and uncore PMU support (BZ#2230175)
• NVIDIA - Grace: Backport i2c: tegra: Set ACPI node as primary fwnode (BZ#2230483)
• NVIDIA - Grace: Backport i2c: tegra: Fix PEC support for SMBUS block read (BZ#2230488)
• [Hyper-V][AlmaLinux 9]incomplete fc_transport implementation in storvsc causes null dereference in fc_timed_out() (BZ#2230747)
• Kernel config option CONFIG_CRYPTO_STATS should be disabled until it is enhanced (BZ#2231850)
• [AlmaLinux 9][Hyper-V]Excessive hv_storvsc driver logging with srb_status SRB_STATUS_INTERNAL_ERROR (0x30) (BZ#2231990)
• AlmaLinux-9: WARNING: bad unlock balance detected! (BZ#2232213)
• NVIDIA - Grace: Backport drm/ast patch expected for kernel 6.4 (BZ#2232302)
• [Lenovo 9.1 bug] AlmaLinux 9 will hang when "echo c > /proc/sysrq-trigger". (BZ#2232700)
• [AlmaLinux-9] bz2022169 in /kernel/general/process/reg-suit fails on aarch64 (/proc/[pid]/wchan broken) (BZ#2233928)

Enhancement(s):

• [Intel 9.3 FEAT] cpufreq: intel_pstate: Enable HWP IO boost for all servers (BZ#2210270)
• [Dell 9.3 FEAT] - New MB with AMP Codec Change on Maya Bay (audio driver) (BZ#2218960)
• [Lenovo 9.3 FEAT] MDRAID - Update to the latest upstream (BZ#2221170)
• [Intel 9.3 FEAT] [EMR] Add EMR support to uncore-frequency driver (BZ#2230169)

The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements.

Security Fix(es):

• kernel: UAF in nftables when nft_set_lookup_global triggered after handling named and anonymous sets in batch requests (CVE-2023-3390)
• kernel: netfilter: nf_tables: fix chain binding transaction logic in the abort path of NFT_MSG_NEWRULE (CVE-2023-3610)
• kernel: net/sched: cls_fw component can be exploited as result of failure in tcf_change_indev function (CVE-2023-3776)
• kernel: netfilter: use-after-free due to improper element removal in nft_pipapo_remove() (CVE-2023-4004)
• kernel: netfilter: nf_tables_newrule when adding a rule with NFTA_RULE_CHAIN_ID leads to use-after-free (CVE-2023-4147)
• kernel: nf_tables: use-after-free in nft_chain_lookup_byid() (CVE-2023-31248)
• kernel: nf_tables: stack-out-of-bounds-read in nft_byteorder_eval() (CVE-2023-35001)
• kernel: save/restore speculative MSRs during S3 suspend/resume (CVE-2023-1637)
• hw: amd: Cross-Process Information Leak (CVE-2023-20593)
• kernel: bypass of shadow stack protection due to a logic error (CVE-2023-21102)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Bug Fix(es):

• kernel-rt: update RT source tree to the latest AlmaLinux-9.2.z3 Batch (BZ#2228482)

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

• kernel: ipvlan: out-of-bounds write caused by unclear skb->cb (CVE-2023-3090)
• kernel: UAF in nftables when nft_set_lookup_global triggered after handling named and anonymous sets in batch requests (CVE-2023-3390)
• kernel: net/sched: cls_fw component can be exploited as result of failure in tcf_change_indev function (CVE-2023-3776)
• kernel: netfilter: use-after-free due to improper element removal in nft_pipapo_remove() (CVE-2023-4004)
• kernel: nf_tables: stack-out-of-bounds-read in nft_byteorder_eval() (CVE-2023-35001)
• kernel: cls_flower: out-of-bounds write in fl_set_geneve_opt() (CVE-2023-35788)
• kernel: bluetooth: Unauthorized management command execution (CVE-2023-2002)
• hw: amd: Cross-Process Information Leak (CVE-2023-20593)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Bug Fix(es):

• low memory deadlock with md devices and external (imsm) metadata handling - requires a kernfs notification backport (BZ#2208540)
• Intel 8.9 BUG, SPR EMR FHF ACPI: Fix system hang during S3 wakeup (BZ#2218025)
• OCS 4.8, cephfs kernel crash: mds_dispatch ceph_handle_snap unable to handle kernel NULL (BZ#2218271)
• st_gmac: tx-checksum offload on vlan is not consistent with st_gmac interface (BZ#2219907)
• refcount_t overflow often happens in mem_cgroup_id_get_online() (BZ#2221010)
• avoid unnecessary page fault retires on shared memory types (BZ#2221100)
• enable conntrack clash resolution for GRE (BZ#2223542)
• ice: avoid bonding causing auxiliary plug/unplug under RTNL lock (BZ#2224515)
• libceph: harden msgr2.1 frame segment length checks [8.x] (BZ#2227073)
• Important iavf bug fixes July 2023 (BZ#2228161)
• i40e error: Cannot set interface MAC/vlanid to 1e:b7:e2:02:b1:aa/0 for ifname ens4f0 vf 0: Resource temporarily unavailable (BZ#2228163)
• oops on cifs_mount due to null tcon (BZ#2229128)
• iptables argument "--suppl-groups" in extension "owner" does not work in AlmaLinux8 (BZ#2229715)
• Hyper-V AlmaLinux 8: incomplete fc_transport implementation in storvsc causes null dereference in fc_timed_out() (BZ#2230743)
• Withdrawal: GFS2: could not freeze filesystem: -16 (BZ#2231825)
• AlmaLinux 8 Hyper-V: Excessive hv_storvsc driver logging with srb_status SRB_STATUS_INTERNAL_ERROR (0x30) (BZ#2231988)
• AlmaLinux-8: crypto: rng - Fix lock imbalance in crypto_del_rng (BZ#2232215)
• Intel 8.9 iavf: Driver Update (BZ#2232399)
• Hyper-V AlmaLinux-8 hv_storvsc driver logging excessive storvsc_log events for storvsc_on_io_completion() function (BZ#2233227)

Enhancement(s):

• Intel 8.9 FEAT, EMR perf: Add EMR CPU PMU support (BZ#2230152)
• Intel 8.9 FEAT, SPR EMR power: Add uncore frequency control driver (BZ#2230158)
• Intel 8.9 FEAT EMR perf: RAPL PMU support on EMR (BZ#2230162)

The linux-firmware packages contain all of the firmware files that are required by various devices to operate.

Security Fix(es):

• hw: amd: Cross-Process Information Leak (CVE-2023-20593)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

• Update AMD CPU microcode to 2023-07-19 addresses CVE-2023-20593:
  • Addition AMD CPU microcode for processor family 17h: sig 0x008a0f00;
  • Update AMD CPU microcode for processor family 19h: sig 0x00a00f10, sig 0x00a00f11, sig 0x00a00f12;
  • Update AMD CPU microcode for processor family 17h: sig 0x00830f10;

• Update AMD CPU microcode to 2023-07-19 addresses CVE-2023-20593:
  • Addition AMD CPU microcode for processor family 17h: sig 0x008a0f00, sig 0x00830f10;
  • Addition AMD CPU microcode for processor family 19h: sig 0x00a00f10, sig 0x00a00f11, sig 0x00a00f12;
  • Update AMD CPU microcode for processor family 17h: sig 0x00800f12;

• Update AMD CPU microcode to 2023-07-19 addresses CVE-2023-20593:
  • Addition AMD CPU microcode for processor family 17h: sig 0x008a0f00, sig 0x00830f10;
  • Addition AMD CPU microcode for processor family 19h: sig 0x00a00f10, sig 0x00a00f11, sig 0x00a00f12;
  • Update AMD CPU microcode for processor family 17h: sig 0x00800f12;

• Update AMD CPU microcode to 2023-07-19 addresses CVE-2023-20593:
  • Addition AMD CPU microcode for processor family 17h: sig 0x008a0f00;
  • Update AMD CPU microcode for processor family 19h: sig 0x00a00f10, sig 0x00a00f11, sig 0x00a00f12;
  • Update AMD CPU microcode for processor family 17h: sig 0x00830f10;

• New microcode update packages from AMD upstream up to 2023-07-19:
  • New Microcodes for 17h family: sig 0x00800f82, sig 0x00830f10, sig 0x008a0f00;
  • New Microcodes for 19h family: sig 0x00a00f10, sig 0x00a00f11, sig 0x00a00f12;
  • Updated microcodes of 17h family: sig 0x00800f12;
• SECURITY UPDATE: ZenBleed issue for some CPUs:
  • CPUs firmware updated up to 2023-07-19
  • CVE-2023-20593

• New microcode update packages from AMD upstream up to 2023-07-19:
  • New Microcodes for 17h family: sig 0x00800f82, sig 0x00830f10;
  • New Microcodes for 19h family: sig 0x00a00f10, sig 0x00a00f11, sig 0x00a00f12;
  • Updated microcodes of 17h family: sig 0x00800f12, sig 0x00800f82;
• SECURITY UPDATE: ZenBleed issue for some CPUs:
  • CPUs firmware updated up to 2023-07-19
  • CVE-2023-20593

• CVE-url: https://ubuntu.com/security/CVE-2023-4128
  • net/sched: cls_u32: No longer copy tcf_result on update to avoid use-after- free
  • net/sched: cls_fw: No longer copy tcf_result on update to avoid use-after- free
  • net/sched: cls_route: No longer copy tcf_result on update to avoid use- after-free
• CVE-url: https://ubuntu.com/security/CVE-2023-40283
  • Bluetooth: L2CAP: Fix use-after-free in l2cap_sock_ready_cb
• Jammy update: v5.15.42 upstream stable release (LP: #1981375) // CVE-url: https://ubuntu.com/security/CVE-2023-4387
  • net: vmxnet3: fix possible use-after-free bugs in vmxnet3_rq_alloc_rx_buf()
• CVE-2023-20593 // CVE-url: https://ubuntu.com/security/CVE-2023-20593
  • x86/cpu/amd: Move the errata checking functionality up
  • x86/cpu/amd: Add a Zenbleed fix
• CVE-2023-35001 // CVE-url: https://ubuntu.com/security/CVE-2023-35001
  • netfilter: nf_tables: prevent OOB access in nft_byteorder_eval
• Bionic update: upstream stable patchset 2023-04-05 (LP: #2015399) // CVE- url: https://ubuntu.com/security/CVE-2023-3567
  • vc_screen: move load of struct vc_data pointer in vcs_read() to avoid UAF
• CVE-url: https://ubuntu.com/security/CVE-2023-0458
  • prlimit: do_prlimit needs to have a speculation check
• CVE-url: https://ubuntu.com/security/CVE-2023-2513
  • ext4: fix use-after-free in ext4_xattr_set_entry
• Jammy update: v5.15.61 upstream stable release (LP: #1990162) // CVE-url: https://ubuntu.com/security/CVE-2023-2513
  • ext4: add EXT4_INODE_HAS_XATTR_SPACE macro in xattr.h
• CVE-url: https://ubuntu.com/security/CVE-2023-3159
  • firewire: fix potential uaf in outbound_phy_packet_callback()
• Jammy update: v5.15.106 upstream stable release (LP: #2023233) // CVE-url: https://ubuntu.com/security/CVE-2023-1611
  • btrfs: fix race between quota disable and quota assign ioctls
• CVE-url: https://ubuntu.com/security/CVE-2023-3611
  • net/sched: sch_qfq: account for stab overhead in qfq_enqueue
• CVE-2023-3776 // CVE-url: https://ubuntu.com/security/CVE-2023-3776
  • net/sched: cls_fw: Fix improper refcount update leads to use-after-free

• CVE-url: https://ubuntu.com/security/CVE-2023-4128
  • net/sched: cls_u32: No longer copy tcf_result on update to avoid use-after- free
  • net/sched: cls_fw: No longer copy tcf_result on update to avoid use-after- free
  • net/sched: cls_route: No longer copy tcf_result on update to avoid use- after-free
• CVE-url: https://ubuntu.com/security/CVE-2023-40283
  • Bluetooth: L2CAP: Fix use-after-free in l2cap_sock_ready_cb
• Jammy update: v5.15.42 upstream stable release (LP: #1981375) // CVE-url: https://ubuntu.com/security/CVE-2023-4387
  • net: vmxnet3: fix possible use-after-free bugs in vmxnet3_rq_alloc_rx_buf()
• CVE-2023-20593 // CVE-url: https://ubuntu.com/security/CVE-2023-20593
  • x86/cpu/amd: Move the errata checking functionality up
  • x86/cpu/amd: Add a Zenbleed fix
• CVE-2023-35001 // CVE-url: https://ubuntu.com/security/CVE-2023-35001
  • netfilter: nf_tables: prevent OOB access in nft_byteorder_eval
• Bionic update: upstream stable patchset 2023-04-05 (LP: #2015399) // CVE- url: https://ubuntu.com/security/CVE-2023-3567
  • vc_screen: move load of struct vc_data pointer in vcs_read() to avoid UAF
• CVE-url: https://ubuntu.com/security/CVE-2023-0458
  • prlimit: do_prlimit needs to have a speculation check
• CVE-url: https://ubuntu.com/security/CVE-2023-2513
  • ext4: fix use-after-free in ext4_xattr_set_entry
• Jammy update: v5.15.61 upstream stable release (LP: #1990162) // CVE-url: https://ubuntu.com/security/CVE-2023-2513
  • ext4: add EXT4_INODE_HAS_XATTR_SPACE macro in xattr.h
• CVE-url: https://ubuntu.com/security/CVE-2023-3159
  • firewire: fix potential uaf in outbound_phy_packet_callback()
• Jammy update: v5.15.106 upstream stable release (LP: #2023233) // CVE-url: https://ubuntu.com/security/CVE-2023-1611
  • btrfs: fix race between quota disable and quota assign ioctls
• CVE-url: https://ubuntu.com/security/CVE-2023-3611
  • net/sched: sch_qfq: account for stab overhead in qfq_enqueue
• CVE-2023-3776 // CVE-url: https://ubuntu.com/security/CVE-2023-3776
  • net/sched: cls_fw: Fix improper refcount update leads to use-after-free

• CVE-url: https://ubuntu.com/security/CVE-2023-4128
  • net/sched: cls_u32: No longer copy tcf_result on update to avoid use-after- free
  • net/sched: cls_fw: No longer copy tcf_result on update to avoid use-after- free
  • net/sched: cls_route: No longer copy tcf_result on update to avoid use- after-free
• CVE-url: https://ubuntu.com/security/CVE-2023-40283
  • Bluetooth: L2CAP: Fix use-after-free in l2cap_sock_ready_cb
• CVE-2023-20593 // CVE-url: https://ubuntu.com/security/CVE-2023-20593
  • x86/cpu/amd: Move the errata checking functionality up
  • x86/cpu/amd: Add a Zenbleed fix
• CVE-2023-1859 // CVE-url: https://ubuntu.com/security/CVE-2023-1859
  • 9p/xen : Fix use after free bug in xen_9pfs_front_remove due to race condition
• CVE-url: https://ubuntu.com/security/CVE-2023-35001
  • netfilter: nf_tables: prevent OOB access in nft_byteorder_eval
• Jammy update: v5.15.106 upstream stable release (LP: #2023233) // CVE-url: https://ubuntu.com/security/CVE-2023-1611
  • btrfs: fix race between quota disable and quota assign ioctls
• CVE-2023-3611 // CVE-url: https://ubuntu.com/security/CVE-2023-3611
  • net/sched: sch_qfq: account for stab overhead in qfq_enqueue
• CVE-2023-3776 // CVE-url: https://ubuntu.com/security/CVE-2023-3776
  • net/sched: cls_fw: Fix improper refcount update leads to use-after-free

• CVE-url: https://ubuntu.com/security/CVE-2023-4128
  • net/sched: cls_u32: No longer copy tcf_result on update to avoid use-after- free
  • net/sched: cls_fw: No longer copy tcf_result on update to avoid use-after- free
  • net/sched: cls_route: No longer copy tcf_result on update to avoid use- after-free
• CVE-url: https://ubuntu.com/security/CVE-2023-40283
  • Bluetooth: L2CAP: Fix use-after-free in l2cap_sock_ready_cb
• CVE-2023-20593 // CVE-url: https://ubuntu.com/security/CVE-2023-20593
  • x86/cpu/amd: Move the errata checking functionality up
  • x86/cpu/amd: Add a Zenbleed fix
• CVE-2023-1859 // CVE-url: https://ubuntu.com/security/CVE-2023-1859
  • 9p/xen : Fix use after free bug in xen_9pfs_front_remove due to race condition
• CVE-url: https://ubuntu.com/security/CVE-2023-35001
  • netfilter: nf_tables: prevent OOB access in nft_byteorder_eval
• Jammy update: v5.15.106 upstream stable release (LP: #2023233) // CVE-url: https://ubuntu.com/security/CVE-2023-1611
  • btrfs: fix race between quota disable and quota assign ioctls
• CVE-2023-3611 // CVE-url: https://ubuntu.com/security/CVE-2023-3611
  • net/sched: sch_qfq: account for stab overhead in qfq_enqueue
• CVE-2023-3776 // CVE-url: https://ubuntu.com/security/CVE-2023-3776
  • net/sched: cls_fw: Fix improper refcount update leads to use-after-free

• New microcode update packages from AMD upstream up to 2023-08-08:
  • New Microcodes for 19h family: sig 0x00a10f11, sig 0x00a10f12, sig 0x00aa0f01, sig 0x00aa0f02;
• SECURITY UPDATE: A side channel vulnerability on some of the AMD CPUs may allow an attacker to influence the return address prediction. This may result to potential information disclosure.
  • CPUs firmware updated up to 2023-08-08
  • CVE-2023-20569
  • CVE-2023-20593

• New microcode update packages from AMD upstream up to 2023-08-08:
  • New Microcodes for 19h family: sig 0x00a10f11, sig 0x00a10f12, sig 0x00aa0f01, sig 0x00aa0f02;
• SECURITY UPDATE: A side channel vulnerability on some of the AMD CPUs may allow an attacker to influence the return address prediction. This may result to potential information disclosure.
  • CPUs firmware updated up to 2023-08-08
  • CVE-2023-20569
  • CVE-2023-20593