Security update for the Linux Kernel

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

The following security bugs were fixed:

• CVE-2021-47145: btrfs: do not BUG_ON in link_to_fixup_dir (bsc#1222005).
• CVE-2021-47201: iavf: free q_vectors before queues in iavf_disable_vf (bsc#1222792).
• CVE-2021-47275: bcache: avoid oversized read request in cache missing code path (bsc#1224965).
• CVE-2021-47438: net/mlx5e: nullify cq->dbg pointer in mlx5_debug_cq_remove() (bsc#1225229)
• CVE-2021-47498: dm rq: do not queue request to blk-mq during DM suspend (bsc#1225357).
• CVE-2021-47520: can: pch_can: pch_can_rx_normal: fix use after free (bsc#1225431).
• CVE-2021-47547: net: tulip: de4x5: fix the problem that the array ‘lp->phy’ may be out of bound (bsc#1225505).
• CVE-2023-4244: Fixed a use-after-free in the nf_tables component, which could be exploited to achieve local privilege escalation (bsc#1215420).
• CVE-2023-52507: Fixed possible shift-out-of-bounds in nfc/nci (bsc#1220833).
• CVE-2023-52683: ACPI: LPIT: Avoid u32 multiplication overflow (bsc#1224627).
• CVE-2023-52693: ACPI: video: check for error while searching for backlight device parent (bsc#1224686).
• CVE-2023-52753: drm/amd/display: Avoid NULL dereference of timing generator (bsc#1225478).
• CVE-2023-52817: drm/amdgpu: Fix a null pointer access when the smc_rreg pointer is NULL (bsc#1225569).
• CVE-2023-52818: drm/amd: Fix UBSAN array-index-out-of-bounds for SMU7 (bsc#1225530).
• CVE-2023-52819: drm/amd: Fix UBSAN array-index-out-of-bounds for Polaris and Tonga (bsc#1225532).
• CVE-2024-26635: llc: Drop support for ETH_P_TR_802_2 (bsc#1221656).
• CVE-2024-26636: llc: make llc_ui_sendmsg() more robust against bonding changes (bsc#1221659).
• CVE-2024-26880: dm: call the resume method on internal suspend (bsc#1223188).
• CVE-2024-35805: dm snapshot: fix lockup in dm_exception_table_exit (bsc#1224743).
• CVE-2024-35819: soc: fsl: qbman: Use raw spinlock for cgr_lock (bsc#1224683).
• CVE-2024-35828: wifi: libertas: fix some memleaks in lbs_allocate_cmd_buffer() (bsc#1224622).
• CVE-2024-35947: dyndbg: fix old BUG_ON in >control parser (bsc#1224647).
• CVE-2024-36014: drm/arm/malidp: fix a possible null pointer dereference (bsc#1225593).
• CVE-2024-36941: wifi: nl80211: do not free NULL coalescing rule (bsc#1225835).
• CVE-2024-38598: md: fix resync softlockup when bitmap size is less than array size (bsc#1226757).
• CVE-2024-38619: usb-storage: alauda: Check whether the media is initialized (bsc#1226861).
• CVE-2024-39301: net/9p: fix uninit-value in p9_client_rpc() (bsc#1226994).
• CVE-2024-39475: fbdev: savage: Handle err return when savagefb_check_var failed (bsc#1227435)

The following non-security bugs were fixed:

• PM: hibernate: x86: Use crc32 instead of md5 for hibernation e820 integrity check (git-fixes).
• SUNRPC: Fix gss_free_in_token_pages() (git-fixes).
• SUNRPC: Fix loop termination condition in gss_free_in_token_pages() (git-fixes).
• drm/amdgpu/debugfs: fix error code when smc register accessors are NULL (git-fixes).
• kgdb: Add kgdb_has_hit_break function (git-fixes).
• kgdb: Move the extern declaration kgdb_has_hit_break() to generic kgdb.h (git-fixes).
• net: hsr: fix placement of logical operator in a multi-line statement (bsc#1223021).
• nfs: Handle error of rpc_proc_register() in nfs_net_init() (git-fixes).
• powerpc/rtas: Prevent Spectre v1 gadget construction in sys_rtas() (bsc#1227487).
• sched/deadline: Fix BUG_ON condition for deboosted tasks (bsc#1227407).
• sunrpc: fix NFSACL RPC retry on soft mount (git-fixes).
• x86/apic: Fix kernel panic when booting with intremap=off and x2apic_phys (git-fixes).
• x86/boot/e820: Fix typo in e820.c comment (git-fixes).
• x86/cpu: Fix AMD erratum #1485 on Zen4-based CPUs (git-fixes).
• x86/fpu: Return proper error codes from user access functions (git-fixes).
• x86/ioremap: Fix page aligned size calculation in __ioremap_caller() (git-fixes).
• x86/kprobes: Fix kprobes instruction boudary check with CONFIG_RETHUNK (git-fixes).
• x86/kprobes: Fix optprobe optimization check with CONFIG_RETHUNK (git-fixes).
• x86/msr: Fix wr/rdmsr_safe_regs_on_cpu() prototypes (git-fixes).
• x86/numa: Use cpumask_available instead of hardcoded NULL check (git-fixes).
• x86: __memcpy_flushcache: fix wrong alignment if size > 2^32 (git-fixes).