Security update for the Linux Kernel
Announcement ID: | SUSE-SU-2023:3684-1 |
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Rating: | important |
References: | |
Cross-References: | |
CVSS scores: |
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Affected Products: |
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An update that solves 17 vulnerabilities, contains two features and has four security fixes can now be installed.
Description:
The SUSE Linux Enterprise 15 SP3 kernel was updated to receive various security and bugfixes.
The following security bugs were fixed:
- CVE-2022-36402: Fixed an integer overflow vulnerability in vmwgfx driver in that allowed a local attacker with a user account on the system to gain privilege, causing a denial of service (bsc#1203517).
- CVE-2023-2007: Fixed a flaw in the DPT I2O Controller driver that could allow an attacker to escalate privileges and execute arbitrary code in the context of the kernel (bsc#1210448).
- CVE-2023-3772: Fixed a flaw in XFRM subsystem that may have allowed a malicious user with CAP_NET_ADMIN privileges to directly dereference a NULL pointer leading to a possible kernel crash and denial of service (bsc#1213666).
- CVE-2023-3863: Fixed a use-after-free flaw was found in nfc_llcp_find_local that allowed a local user with special privileges to impact a kernel information leak issue (bsc#1213601).
- CVE-2023-4128: Fixed a use-after-free flaw in net/sched/cls_fw.c that allowed a local attacker to perform a local privilege escalation due to incorrect handling of the existing filter, leading to a kernel information leak issue (bsc#1214149).
- CVE-2023-4132: Fixed use-after-free vulnerability was found in the siano smsusb module that allowed a local user to crash the system, causing a denial of service condition (bsc#1213969).
- CVE-2023-4133: Fixed use after free bugs caused by circular dependency problem in cxgb4 (bsc#1213970).
- CVE-2023-4134: Fixed use-after-free in cyttsp4_watchdog_work() (bsc#1213971).
- CVE-2023-4147: Fixed use-after-free in nf_tables_newrule (bsc#1213968).
- CVE-2023-4194: Fixed a type confusion in net tun_chr_open() (bsc#1214019).
- CVE-2023-4273: Fixed a flaw in the exFAT driver of the Linux kernel that alloawed a local privileged attacker to overflow the kernel stack (bsc#1214120).
- CVE-2023-4385: Fixed a NULL pointer dereference flaw in dbFree that may have allowed a local attacker to crash the system due to a missing sanity check (bsc#1214348).
- CVE-2023-4387: Fixed use-after-free flaw in vmxnet3_rq_alloc_rx_buf that could allow a local attacker to crash the system due to a double-free (bsc#1214350).
- CVE-2023-4459: Fixed a NULL pointer dereference flaw in vmxnet3_rq_cleanup that may have allowed a local attacker with normal user privilege to cause a denial of service (bsc#1214451).
- CVE-2023-20588: Fixed a division-by-zero error on some AMD processors that can potentially return speculative data resulting in loss of confidentiality (bsc#1213927).
- CVE-2023-21400: Fixed several memory corruptions due to improper locking in io_uring (bsc#1213272).
- CVE-2023-34319: Fixed buffer overrun triggered by unusual packet in xen/netback (XSA-432) (bsc#1213546).
The following non-security bugs were fixed:
- ARM: spear: Do not use timer namespace for timer_shutdown() function (bsc#1213970).
- Do not add and remove genksyms ifdefs
- clocksource/drivers/arm_arch_timer: Do not use timer namespace for timer_shutdown() function (bsc#1213970).
- clocksource/drivers/sp804: Do not use timer namespace for timer_shutdown() function (bsc#1213970).
- e1000: Fix fall-through warnings for Clang (jsc#PED-5738).
- e1000: Fix typos in comments (jsc#PED-5738).
- e1000: Remove unnecessary use of kmap_atomic() (jsc#PED-5738).
- e1000: drop unneeded assignment in e1000_set_itr() (jsc#PED-5738).
- e1000: switch to napi_consume_skb() (jsc#PED-5738).
- intel/e1000:fix repeated words in comments (jsc#PED-5738).
- intel: remove checker warning (jsc#PED-5738).
- kabi/severities: Ignore newly added SRSO mitigation functions
- md/raid0: Factor out helper for mapping and submitting a bio (bsc#1213916).
- md/raid0: Fix performance regression for large sequential writes (bsc#1213916).
- net: e1000: remove repeated word "slot" for e1000_main.c (jsc#PED-5738).
- net: e1000: remove repeated words for e1000_hw.c (jsc#PED-5738).
- powerpc/rtas: block error injection when locked down (bsc#1023051).
- powerpc/rtas: mandate RTAS syscall filtering (bsc#1023051).
- powerpc/rtas: move syscall filter setup into separate function (bsc#1023051).
- powerpc/rtas: remove ibm_suspend_me_token (bsc#1023051).
- powerpc: Move DMA64_PROPNAME define to a header (bsc#1214297 ltc#197503).
- pseries/iommu/ddw: Fix kdump to work in absence of ibm,dma-window (bsc#1214297 ltc#197503).
- timers: Add shutdown mechanism to the internal functions (bsc#1213970).
- timers: Provide timer_shutdown_sync (bsc#1213970).
- timers: Rename del_timer() to timer_delete() (bsc#1213970).
- timers: Rename del_timer_sync() to timer_delete_sync() (bsc#1213970).
- timers: Replace BUG_ON()s (bsc#1213970).
- timers: Silently ignore timers with a NULL function (bsc#1213970).
- timers: Split [try_to_]del_timer_sync to prepare for shutdown mode (bsc#1213970).
- timers: Update kernel-doc for various functions (bsc#1213970).
- timers: Use del_timer_sync() even on UP (bsc#1213970).
- x86/cpu/kvm: Provide UNTRAIN_RET_VM (git-fixes).
- x86/cpu: Cleanup the untrain mess (git-fixes).
- x86/cpu: Rename original retbleed methods (git-fixes).
- x86/cpu: Rename srso_(.*)alias to srso_alias\1 (git-fixes).
- x86/retpoline: Do not clobber RFLAGS during srso_safe_ret() (git-fixes).
- x86/speculation: Add cpu_show_gds() prototype (git-fixes).
- x86/speculation: Mark all Skylake CPUs as vulnerable to GDS (git-fixes).
- x86/srso: Correct the mitigation status when SMT is disabled (git-fixes).
- x86/srso: Disable the mitigation on unaffected configurations (git-fixes).
- x86/srso: Explain the untraining sequences a bit more (git-fixes).
- x86: Move gds_ucode_mitigated() declaration to header (git-fixes).
- xfs: fix sb write verify for lazysbcount (bsc#1214275).
- xfs: gut error handling in xfs_trans_unreserve_and_mod_sb() (bsc#1214275).
- xfs: update superblock counters correctly for !lazysbcount (bsc#1214275).
Special Instructions and Notes:
- Please reboot the system after installing this update.
Patch Instructions:
To install this SUSE update use the SUSE recommended
installation methods like YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product:
-
openSUSE Leap 15.3
zypper in -t patch SUSE-2023-3684=1
-
openSUSE Leap 15.4
zypper in -t patch openSUSE-SLE-15.4-2023-3684=1
-
SUSE Linux Enterprise Live Patching 15-SP3
zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP3-2023-3684=1
Please note that this is the initial kernel livepatch without fixes itself, this package is later updated by separate standalone kernel livepatch updates. -
SUSE Linux Enterprise High Availability Extension 15 SP3
zypper in -t patch SUSE-SLE-Product-HA-15-SP3-2023-3684=1
-
SUSE Linux Enterprise High Performance Computing ESPOS 15 SP3
zypper in -t patch SUSE-SLE-Product-HPC-15-SP3-ESPOS-2023-3684=1
-
SUSE Linux Enterprise High Performance Computing LTSS 15 SP3
zypper in -t patch SUSE-SLE-Product-HPC-15-SP3-LTSS-2023-3684=1
-
SUSE Linux Enterprise Server 15 SP3 LTSS 15-SP3
zypper in -t patch SUSE-SLE-Product-SLES-15-SP3-LTSS-2023-3684=1
-
SUSE Linux Enterprise Server for SAP Applications 15 SP3
zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP3-2023-3684=1
-
SUSE Manager Proxy 4.2
zypper in -t patch SUSE-SLE-Product-SUSE-Manager-Proxy-4.2-2023-3684=1
-
SUSE Manager Retail Branch Server 4.2
zypper in -t patch SUSE-SLE-Product-SUSE-Manager-Retail-Branch-Server-4.2-2023-3684=1
-
SUSE Manager Server 4.2
zypper in -t patch SUSE-SLE-Product-SUSE-Manager-Server-4.2-2023-3684=1
-
SUSE Enterprise Storage 7.1
zypper in -t patch SUSE-Storage-7.1-2023-3684=1
-
SUSE Linux Enterprise Micro 5.1
zypper in -t patch SUSE-SUSE-MicroOS-5.1-2023-3684=1
-
SUSE Linux Enterprise Micro 5.2
zypper in -t patch SUSE-SUSE-MicroOS-5.2-2023-3684=1
-
SUSE Linux Enterprise Micro for Rancher 5.2
zypper in -t patch SUSE-SUSE-MicroOS-5.2-2023-3684=1
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