SUSE-SU-2024:0468-1: important: Security update for the Linux Kernel

Wed Feb 14 16:36:35 UTC 2024

# Security update for the Linux Kernel

Announcement ID: SUSE-SU-2024:0468-1  
Rating: important  

  * bsc#1065729
  * bsc#1108281
  * bsc#1123986
  * bsc#1141539
  * bsc#1181674
  * bsc#1206889
  * bsc#1212152
  * bsc#1216702
  * bsc#1216989
  * bsc#1217525
  * bsc#1218713
  * bsc#1218730
  * bsc#1218752
  * bsc#1218757
  * bsc#1218768
  * bsc#1218836
  * bsc#1218968
  * bsc#1219022
  * bsc#1219053
  * bsc#1219120
  * bsc#1219412
  * bsc#1219434
  * bsc#1219445
  * bsc#1219446


  * CVE-2021-33631
  * CVE-2023-46838
  * CVE-2023-47233
  * CVE-2023-51043
  * CVE-2023-51780
  * CVE-2023-51782
  * CVE-2023-6040
  * CVE-2024-0775
  * CVE-2024-1086

CVSS scores:

  * CVE-2021-33631 ( SUSE ):  5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
  * CVE-2021-33631 ( NVD ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2023-46838 ( SUSE ):  4.4 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
  * CVE-2023-46838 ( NVD ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2023-47233 ( SUSE ):  4.3 CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
  * CVE-2023-47233 ( NVD ):  4.3 CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
  * CVE-2023-51043 ( SUSE ):  6.7 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
  * CVE-2023-51043 ( NVD ):  7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2023-51780 ( SUSE ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2023-51780 ( NVD ):  7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2023-51782 ( SUSE ):  6.7 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
  * CVE-2023-51782 ( NVD ):  7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2023-6040 ( SUSE ):  4.4 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
  * CVE-2023-6040 ( NVD ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2024-0775 ( SUSE ):  7.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
  * CVE-2024-0775 ( NVD ):  7.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
  * CVE-2024-1086 ( SUSE ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2024-1086 ( NVD ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Products:

  * SUSE Linux Enterprise High Performance Computing 12 SP5
  * SUSE Linux Enterprise Real Time 12 SP5
  * SUSE Linux Enterprise Server 12 SP5

An update that solves nine vulnerabilities and has 15 security fixes can now be

## Description:

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

The following security bugs were fixed:

  * CVE-2024-1086: Fixed a use-after-free vulnerability inside the nf_tables
    component that could have been exploited to achieve local privilege
    escalation (bsc#1219434).
  * CVE-2023-51780: Fixed a use-after-free in do_vcc_ioctl in net/atm/ioctl.c,
    because of a vcc_recvmsg race condition (bsc#1218730).
  * CVE-2023-46838: Fixed an issue with Xen netback processing of zero-length
    transmit fragment (bsc#1218836).
  * CVE-2021-33631: Fixed an integer overflow in ext4_write_inline_data_end()
  * CVE-2023-47233: Fixed a use-after-free in the device unplugging (disconnect
    the USB by hotplug) code inside the brcm80211 component (bsc#1216702).
  * CVE-2023-51043: Fixed use-after-free during a race condition between a
    nonblocking atomic commit and a driver unload in
    drivers/gpu/drm/drm_atomic.c (bsc#1219120).
  * CVE-2024-0775: Fixed use-after-free in __ext4_remount in fs/ext4/super.c
    that could allow a local user to cause an information leak problem while
    freeing the old quota file names before a potential failure (bsc#1219053).
  * CVE-2023-6040: Fixed an out-of-bounds access vulnerability while creating a
    new netfilter table, lack of a safeguard against invalid nf_tables family
    (pf) values within `nf_tables_newtable` function (bsc#1218752).
  * CVE-2023-51782: Fixed use-after-free in rose_ioctl in net/rose/af_rose.c
    because of a rose_accept race condition (bsc#1218757).

The following non-security bugs were fixed:

  * 9p: missing chunk of "fs/9p: Do not update file type when updating file
    attributes" (git-fixes).
  * ACPICA: Avoid cache flush inside virtual machines (git-fixes).
  * Fix build error in debug config
  * GFS2: Flush the GFS2 delete workqueue before stopping the kernel threads
  * KVM: s390: vsie: Fix STFLE interpretive execution identification (git-fixes
  * Limit kernel-source build to architectures for which the kernel binary is
    built (bsc#1108281).
  * UAPI: ndctl: Fix g++-unsupported initialisation in headers (git-fixes).
  * USB: serial: option: add Fibocom to DELL custom modem FM101R-GL (git-fixes).
  * USB: serial: option: add Telit LE910C4-WWX 0x1035 composition (git-fixes).
  * USB: serial: option: add entry for Sierra EM9191 with new firmware (git-
  * USB: serial: option: fix FM101R-GL defines (git-fixes).
  * acpi/nfit: Require opt-in for read-only label configurations (git-fixes).
  * acpi/nfit: improve bounds checking for 'func' (git-fixes).
  * affs: fix basic permission bits to actually work (git-fixes).
  * aio: fix mremap after fork null-deref (git-fixes).
  * asix: Add check for usbnet_get_endpoints (git-fixes).
  * ceph: fix incorrect revoked caps assert in ceph_fill_file_size()
  * chardev: fix error handling in cdev_device_add() (git-fixes).
  * configfs: fix a deadlock in configfs_symlink() (git-fixes).
  * configfs: fix a race in configfs_{,un}register_subsystem() (git-fixes).
  * configfs: fix a use-after-free in __configfs_open_file (git-fixes).
  * configfs: fix config_item refcnt leak in configfs_rmdir() (git-fixes).
  * configfs: fix memleak in configfs_release_bin_file (git-fixes).
  * configfs: new object reprsenting tree fragments (git-fixes).
  * configfs: provide exclusion between IO and removals (git-fixes).
  * configfs: stash the data we need into configfs_buffer at open time (git-
  * ext4: Avoid freeing inodes on dirty list (bsc#1216989).
  * ext4: silence the warning when evicting inode with dioread_nolock
  * fat: add ratelimit to fat*_ent_bread() (git-fixes).
  * fs/exofs: fix potential memory leak in mount option parsing (git-fixes).
  * fs/fat/fatent.c: add cond_resched() to fat_count_free_clusters() (git-
  * fs/fat/file.c: issue flush after the writeback of FAT (git-fixes).
  * fs/file.c: initialize init_files.resize_wait (git-fixes).
  * fs: do not audit the capability check in simple_xattr_list() (git-fixes).
  * fs: ocfs2: namei: check return value of ocfs2_add_entry() (git-fixes).
  * fs: orangefs: fix error return code of orangefs_revalidate_lookup() (git-
  * fs: ratelimit __find_get_block_slow() failure message (git-fixes).
  * fs: warn about impending deprecation of mandatory locks (git-fixes).
  * gfs2: Allow lock_nolock mount to specify jid=X (git-fixes).
  * gfs2: Check sb_bsize_shift after reading superblock (git-fixes).
  * gfs2: Do not call dlm after protocol is unmounted (git-fixes).
  * gfs2: Do not set GFS2_RDF_UPTODATE when the lvb is updated (git-fixes).
  * gfs2: Do not skip dlm unlock if glock had an lvb (git-fixes).
  * gfs2: Fix inode height consistency check (git-fixes).
  * gfs2: Fix lru_count going negative (git-fixes).
  * gfs2: Fix marking bitmaps non-full (git-fixes).
  * gfs2: Fix possible data races in gfs2_show_options() (git-fixes).
  * gfs2: Fix sign extension bug in gfs2_update_stats (git-fixes).
  * gfs2: Fix use-after-free in gfs2_glock_shrink_scan (git-fixes).
  * gfs2: Free rd_bits later in gfs2_clear_rgrpd to fix use-after-free (git-
  * gfs2: Make sure FITRIM minlen is rounded up to fs block size (git-fixes).
  * gfs2: Special-case rindex for gfs2_grow (git-fixes).
  * gfs2: Wake up when sd_glock_disposal becomes zero (git-fixes).
  * gfs2: add validation checks for size of superblock (git-fixes).
  * gfs2: assign rgrp glock before compute_bitstructs (git-fixes).
  * gfs2: check for empty rgrp tree in gfs2_ri_update (git-fixes).
  * gfs2: check for live vs. read-only file system in gfs2_fitrim (git-fixes).
  * gfs2: clear buf_in_tr when ending a transaction in sweep_bh_for_rgrps (git-
  * gfs2: fix use-after-free on transaction ail lists (git-fixes).
  * gfs2: ignore negated quota changes (git-fixes).
  * gfs2: initialize transaction tr_ailX_lists earlier (git-fixes).
  * gfs2: report "already frozen/thawed" errors (git-fixes).
  * gfs2: take jdata unstuff into account in do_grow (git-fixes).
  * gfs2_atomic_open(): fix O_EXCL|O_CREAT handling on cold dcache (git-fixes).
  * gtp: change NET_UDP_TUNNEL dependency to select (git-fixes).
  * help_next should increase position index (git-fixes).
  * iomap: sub-block dio needs to zeroout beyond EOF (git-fixes).
  * kernfs: Separate kernfs_pr_cont_buf and rename_lock (git-fixes).
  * kernfs: bring names in comments in line with code (git-fixes).
  * kernfs: fix use-after-free in __kernfs_remove (git-fixes).
  * libceph: use kernel_connect() (bsc#1219446).
  * libnvdimm/btt: Fix LBA masking during 'free list' population (git-fixes).
  * libnvdimm/btt: Fix a kmemdup failure check (git-fixes).
  * libnvdimm/btt: Remove unnecessary code in btt_freelist_init (git-fixes).
  * libnvdimm/btt: fix variable 'rc' set but not used (git-fixes).
  * libnvdimm/namespace: Fix a potential NULL pointer dereference (git-fixes).
  * libnvdimm/of_pmem: Use devm_kstrdup instead of kstrdup and check its return
    value (git-fixes).
  * libnvdimm/pmem: Delete include of nd-core.h (git-fixes).
  * libnvdimm/pmem: fix a possible OOB access when read and write pmem (git-
  * libnvdimm/region: Fix label activation vs errors (git-fixes).
  * libnvdimm: Fix compilation warnings with W=1 (git-fixes).
  * libnvdimm: Out of bounds read in __nd_ioctl() (git-fixes).
  * libnvdimm: Validate command family indices (git-fixes).
  * libnvdimm: cover up changes in struct nvdimm_bus_descriptor (git-fixes).
  * locks: print a warning when mount fails due to lack of "mand" support (git-
  * mce: fix set_mce_nospec to always unmap the whole page (git-fixes).
  * mlxsw: spectrum: Avoid -Wformat-truncation warnings (git-fixes).
  * mlxsw: spectrum: Properly cleanup LAG uppers when removing port from LAG
  * mlxsw: spectrum: Set LAG port collector only when active (git-fixes).
  * mm,mremap: bail out earlier in mremap_to under map pressure (bsc#1123986).
  * net: (cpts) fix a missing check of clk_prepare (git-fixes).
  * net: dsa: bcm_sf2: Propagate error value from mdio_write (git-fixes).
  * net: dsa: mv88e6xxx: Work around mv886e6161 SERDES missing MII_PHYSID2 (git-
  * net: dsa: mv88e6xxx: avoid error message on remove from VLAN 0 (git-fixed).
  * net: dsa: qca8k: Enable delay for RGMII_ID mode (git-fixes).
  * net: ethernet: ti: fix possible object reference leak (git-fixes).
  * net: fec: Do not use netdev messages too early (git-fixes).
  * net: ks8851: Delay requesting IRQ until opened (git-fixes).
  * net: ks8851: Reassert reset pin if chip ID check fails (git-fixes).
  * net: ks8851: Set initial carrier state to down (git-fixes).
  * net: macb: Add null check for PCLK and HCLK (git-fixed).
  * net: mv643xx_eth: disable clk on error path in mv643xx_eth_shared_probe()
  * net: phy: sfp: warn the user when no tx_disable pin is available (git-
  * net: phylink: avoid resolving link state too early (git-fixes).
  * net: sfp: do not probe SFP module before we're attached (git-fixes).
  * net: stmmac: Disable EEE mode earlier in XMIT callback (git-fixes).
  * net: stmmac: Fallback to Platform Data clock in Watchdog conversion (git-
  * net: stmmac: do not overwrite discard_frame status (git-fixes).
  * net: stmmac: dwmac-rk: fix error handling in rk_gmac_powerup() (git-fixes).
  * net: stmmac: dwmac1000: Clear unused address entries (git-fixed).
  * net: stmmac: dwmac1000: fix out-of-bounds mac address reg setting (git-
  * net: stmmac: dwmac4/5: Clear unused address entries (git-fixes).
  * net: systemport: Fix reception of BPDUs (git-fixes).
  * net: xilinx: fix possible object reference leak (git-fixed).
  * nfs: NFS 4.0 LOCK calls getting constant NFS4ERR_BAD_SEQID (bsc#1218968).
  * nfsd: drop st_mutex and rp_mutex before calling move_to_close_lru()
  * nvdimm/btt: do not call del_gendisk() if not needed (git-fixes).
  * nvdimm: Allow overwrite in the presence of disabled dimms (git-fixes).
  * nvdimm: Fix badblocks clear off-by-one error (git-fixes).
  * nvmet-tcp: fix a crash in nvmet_req_complete() (git-fixes).
  * orangefs: Fix kmemleak in orangefs_prepare_debugfs_help_string() (git-
  * orangefs: Fix sysfs not cleanup when dev init failed (git-fixes).
  * orangefs: fix orangefs df output (git-fixes).
  * orangefs: rate limit the client not running info message (git-fixes).
  * powerpc/powernv: Add a null pointer check in opal_event_init()
  * powerpc/powernv: Add a null pointer check in opal_powercap_init()
    (bsc#1181674 ltc#189159 git-fixes).
  * powerpc/pseries/memhotplug: Quieten some DLPAR operations (bsc#1065729).
  * powerpc/pseries/memhp: Fix access beyond end of drmem array (bsc#1065729).
  * powerpc: Do not clobber f0/vs0 during fp|altivec register save
  * preserve KABI for struct plat_stmmacenet_data (git-fixes).
  * preserve KABI for struct sfp_socket_ops (git-fixes).
  * proc: fix /proc/*/map_files lookup (git-fixes).
  * pstore/ram: Check start of empty przs during init (git-fixes).
  * pstore/ram: Fix error return code in ramoops_probe() (git-fixes).
  * pstore/ram: Run without kernel crash dump region (git-fixes).
  * pstore: Avoid kcore oops by vmap()ing with VM_IOREMAP (git-fixes).
  * pstore: ram_core: fix possible overflow in persistent_ram_init_ecc() (git-
  * reiserfs: Check the return value from __getblk() (git-fixes).
  * reiserfs: Replace 1-element array with C99 style flex-array (git-fixes).
  * s390/dasd: fix double module refcount decrement (bsc#1141539).
  * scsi: qedf: fc_rport_priv reference counting fixes (bsc#1212152).
  * scsi: qla0xxx: Fix system crash due to bad pointer access (git-fixes).
  * sfc: initialise found bitmap in efx_ef10_mtd_probe (git-fixes).
  * statfs: enforce statfs[64] structure initialization (git-fixes).
  * tracing/trigger: Fix to return error if failed to alloc snapshot (git-
  * usb: xhci: xhci-ring: Use sysdev for mapping bounce buffer (git-fixes).
  * veth: Fixing transmit return status for dropped packets (git-fixes).
  * vfs: make freeze_super abort when sync_filesystem returns error (git-fixes).
  * writeback: Export inode_io_list_del() (bsc#1216989).
  * x86/CPU/AMD: Check vendor in the AMD microcode callback (git-fixes).
  * x86/alternatives: Sync core before enabling interrupts (git-fixes).
  * x86/asm: Ensure asm/proto.h can be included stand-alone (git-fixes).
  * x86/bugs: Add "unknown" reporting for MMIO Stale Data (git-fixes).
  * x86/build: Treat R_386_PLT32 relocation as R_386_PC32 (git-fixes).
  * x86/build: Turn off -fcf-protection for realmode targets (git-fixes).
  * x86/cpu/hygon: Fix the CPU topology evaluation for real (git-fixes).
  * x86/cpu: Add another Alder Lake CPU to the Intel family (git-fixes).
  * x86/fpu: Use _Alignof to avoid undefined behavior in TYPE_ALIGN (git-fixes).
  * x86/kvm/lapic: always disable MMIO interface in x2APIC mode (git-fixes).
  * x86/kvm: Do not try to disable kvmclock if it was not enabled (git-fixes).
  * x86/lib: Fix overflow when counting digits (git-fixes).
  * x86/mce: relocate set{clear}_mce_nospec() functions (git-fixes).
  * x86/microcode/AMD: Track patch allocation size explicitly (git-fixes).
  * x86/microcode/intel: Do not retry microcode reloading on the APs (git-
  * x86/mm: Add a x86_has_pat_wp() helper (git-fixes).
  * x86/pat: Fix x86_has_pat_wp() (git-fixes).
  * x86/pat: Pass valid address to sanitize_phys() (git-fixes).
  * x86/pm: Add enumeration check before spec MSRs save/restore setup (git-
  * x86/pm: Fix false positive kmemleak report in msr_build_context() (git-
  * x86/purgatory: Do not generate debug info for (git-fixes).
  * x86/resctrl: Fix to restore to original value when re-enabling hardware
    prefetch register (git-fixes).
  * x86/topology: Fix duplicated core ID within a package (git-fixes).
  * x86/topology: Fix multiple packages shown on a single-package system (git-
  * x86/unwind/orc: Fix unreliable stack dump with gcov (git-fixes).
  * x86/unwind/orc: Unwind ftrace trampolines with correct ORC entry (git-
  * x86: Clear .brk area at early boot (git-fixes).
  * x86: Fix __get_wchan() for !STACKTRACE (git-fixes).
  * x86: Fix get_wchan() to support the ORC unwinder (git-fixes).
  * x86: Mark stop_this_cpu() __noreturn (git-fixes).
  * x86: Pin task-stack in __get_wchan() (git-fixes).
  * x86: **always_inline** {rd,wr}msr() (git-fixes).

## 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:

  * SUSE Linux Enterprise Real Time 12 SP5  
    zypper in -t patch SUSE-SLE-RT-12-SP5-2024-468=1

## Package List:

  * SUSE Linux Enterprise Real Time 12 SP5 (x86_64)
    * kernel-rt-devel-4.12.14-10.162.1
    * kernel-rt-devel-debuginfo-4.12.14-10.162.1
    * dlm-kmp-rt-4.12.14-10.162.1
    * ocfs2-kmp-rt-4.12.14-10.162.1
    * kernel-rt-debugsource-4.12.14-10.162.1
    * gfs2-kmp-rt-4.12.14-10.162.1
    * ocfs2-kmp-rt-debuginfo-4.12.14-10.162.1
    * cluster-md-kmp-rt-debuginfo-4.12.14-10.162.1
    * kernel-rt_debug-devel-debuginfo-4.12.14-10.162.1
    * kernel-rt-base-4.12.14-10.162.1
    * kernel-rt_debug-devel-4.12.14-10.162.1
    * kernel-rt-base-debuginfo-4.12.14-10.162.1
    * kernel-rt_debug-debuginfo-4.12.14-10.162.1
    * dlm-kmp-rt-debuginfo-4.12.14-10.162.1
    * cluster-md-kmp-rt-4.12.14-10.162.1
    * kernel-rt-debuginfo-4.12.14-10.162.1
    * kernel-rt_debug-debugsource-4.12.14-10.162.1
    * gfs2-kmp-rt-debuginfo-4.12.14-10.162.1
    * kernel-syms-rt-4.12.14-10.162.1
  * SUSE Linux Enterprise Real Time 12 SP5 (noarch)
    * kernel-source-rt-4.12.14-10.162.1
    * kernel-devel-rt-4.12.14-10.162.1
  * SUSE Linux Enterprise Real Time 12 SP5 (nosrc x86_64)
    * kernel-rt-4.12.14-10.162.1
    * kernel-rt_debug-4.12.14-10.162.1

## References:


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