SUSE-SU-2024:0476-1

The SUSE Linux Enterprise 15 SP4 RT kernel was updated to receive various security bugfixes.

The following security bugs were fixed:

• CVE-2024-0340: Fixed information disclosure in vhost/vhost.c:vhostnewmsg() (bsc#1218689).
• CVE-2024-24860: Fixed a denial of service caused by a race condition in {min,max}keysize_set() (bsc#1219608).
• CVE-2024-1085: Fixed nftables use-after-free vulnerability in the nftsetelemcatchalldeactivate() function (bsc#1219429).
• 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-2023-51042: Fixed use-after-free in amdgpucswaitallfences in drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c (bsc#1219128).
• CVE-2023-51780: Fixed a use-after-free in dovccioctl 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 ext4writeinlinedataend() (bsc#1219412).
• CVE-2023-6535: Fixed a NULL pointer dereference in nvmettcpexecute_request (bsc#1217988).
• CVE-2023-6536: Fixed a NULL pointer dereference in _nvmetreq_complete (bsc#1217989).
• CVE-2023-6356: Fixed a NULL pointer dereference in nvmettcpbuildpduiovec (bsc#1217987).
• 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 _ext4remount 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-2024-0641: Fixed a denial of service vulnerability in tipccryptokey_revoke in net/tipc/crypto.c (bsc#1218916).
• CVE-2024-0565: Fixed an out-of-bounds memory read flaw in receiveencryptedstandard in fs/smb/client/smb2ops.c (bsc#1218832).
• CVE-2023-6915: Fixed a NULL pointer dereference problem in ida_free in lib/idr.c (bsc#1218804).
• CVE-2023-51782: Fixed use-after-free in roseioctl in net/rose/afrose.c because of a rose_accept race condition (bsc#1218757).

The following non-security bugs were fixed:

• Store the old kernel changelog entries in kernel-docs package (bsc#1218713).
• bcache: Fix _bchbtreenodealloc to make the failure behavior consistent (git-fixes).
• bcache: Remove unnecessary NULL point check in node allocations (git-fixes).
• bcache: add code comments for bchbtreenodeget() and _bchbtreenode_alloc() (git-fixes).
• bcache: avoid NULL checking to c->root in runcacheset() (git-fixes).
• bcache: avoid oversize memory allocation by small stripe_size (git-fixes).
• bcache: check return value from btreenodealloc_replacement() (git-fixes).
• bcache: fixup btreecachewait list damage (git-fixes).
• bcache: fixup init dirty data errors (git-fixes).
• bcache: fixup lock c->root error (git-fixes).
• bcache: fixup multi-threaded bchsectorsdirty_init() wake-up race (git-fixes).
• bcache: prevent potential division by zero error (git-fixes).
• bcache: remove redundant assignment to variable cur_idx (git-fixes).
• bcache: replace a mistaken ISERR() by ISERRORNULL() in btreegccoalesce() (git-fixes).
• bcache: revert replacing ISERRORNULL with ISERR (git-fixes).
• block: Fix kabi header include (bsc#1218929).
• block: free the extended dev_t minor later (bsc#1218930).
• clocksource: Skip watchdog check for large watchdog intervals (bsc#1217217).
• clocksource: disable watchdog checks on TSC when TSC is watchdog (bsc#1215885).
• dm cache policy smq: ensure IO does not prevent cleaner policy progress (git-fixes).
• dm cache: add cond_resched() to various workqueue loops (git-fixes).
• dm clone: call kmemcachedestroy() in dmcloneinit() error path (git-fixes).
• dm crypt: add condresched() to dmcryptwrite() (git-fixes).
• dm crypt: avoid accessing uninitialized tasklet (git-fixes).
• dm flakey: do not corrupt the zero page (git-fixes).
• dm flakey: fix a crash with invalid table line (git-fixes).
• dm flakey: fix logic when corrupting a bio (git-fixes).
• dm init: add dm-mod.waitfor to wait for asynchronously probed block devices (git-fixes).
• dm integrity: call kmemcachedestroy() in dmintegrityinit() error path (git-fixes).
• dm integrity: reduce vmalloc space footprint on 32-bit architectures (git-fixes).
• dm raid: clean up four equivalent goto tags in raid_ctr() (git-fixes).
• dm raid: fix missing reconfigmutex unlock in raidctr() error paths (git-fixes).
• dm stats: check for and propagate alloc_percpu failure (git-fixes).
• dm thin metadata: Fix ABBA deadlock by resetting dmbufioclient (git-fixes).
• dm thin metadata: check failio before using datasm (git-fixes).
• dm thin: add cond_resched() to various workqueue loops (git-fixes).
• dm thin: fix deadlock when swapping to thin device (bsc#1177529).
• dm verity: do not perform FEC for failed readahead IO (git-fixes).
• dm verity: fix error handling for checkatmost_once on FEC (git-fixes).
• dm verity: skip redundant verityhandleerr() on I/O errors (git-fixes).
• dm zoned: free dmz->ddev array in dmzputzoned_devices (git-fixes).
• dm-delay: fix a race between delaypresuspend and delaybio (git-fixes).
• dm-integrity: do not modify bio's immutable biovec in integritymetadata() (git-fixes).
• dm-verity: align struct dmverityfec_io properly (git-fixes).
• dm: add condresched() to dmwq_work() (git-fixes).
• dm: do not lock fs when the map is NULL during suspend or resume (git-fixes).
• dm: do not lock fs when the map is NULL in process of resume (git-fixes).
• dm: remove flushscheduledwork() during local_exit() (git-fixes).
• dm: send just one event on resize, not two (git-fixes).
• doc/README.KSYMS: Add to repo.
• hvnetvsc: rndisfilter needs to select NLS (git-fixes).
• intel_idle: add Emerald Rapids Xeon support (bsc#1216016).
• kabi, vmstat: skip periodic vmstat update for isolated CPUs (bsc#1217895).
• kernel-source: Fix description typo
• loop: suppress uevents while reconfiguring the device (git-fixes).
• nbd: Fix debugfscreatedir error checking (git-fixes).
• nbd: fix incomplete validation of ioctl arg (git-fixes).
• nbd: use the correct blockdevice in nbdbdev_reset (git-fixes).
• nfsd4: add refcount for nfsd4blockedlock (bsc#1218968 bsc#1219349).
• nfsd: fix RELEASE_LOCKOWNER (bsc#1218968).
• null_blk: Always check queue mode setting from configfs (git-fixes).
• powerpc/pseries/iommu: enable_ddw incorrectly returns direct mapping for SR-IOV device (bsc#1212091 ltc#199106 git-fixes).
• rbd: avoid use-after-free in dorbdadd() when rbddevcreate() fails (git-fixes).
• rbd: decouple header read-in from updating rbd_dev->header (git-fixes).
• rbd: decouple parent info read-in from updating rbd_dev (git-fixes).
• rbd: get snapshot context after exclusive lock is ensured to be held (git-fixes).
• rbd: harden getlockowner_info() a bit (git-fixes).
• rbd: make getlockowner_info() return a single locker or NULL (git-fixes).
• rbd: move RBDOBJFLAGCOPYUPENABLED flag setting (git-fixes).
• rbd: move rbddevrefresh() definition (git-fixes).
• rbd: prevent busy loop when requesting exclusive lock (git-fixes).
• rbd: retrieve and check lock owner twice before blocklisting (git-fixes).
• rbd: take headerrwsem in rbddev_refresh() only when updating (git-fixes).
• sched/isolation: add cpuisisolated() API (bsc#1217895).
• scsi: ibmvfc: Implement channel queue depth and event buffer accounting (bsc#1209834 ltc#202097).
• scsi: ibmvfc: Remove BUG_ON in the case of an empty event pool (bsc#1209834 ltc#202097).
• trace,smp: Add tracepoints around remotelly called functions (bsc#1217895).
• vmstat: skip periodic vmstat update for isolated CPUs (bsc#1217895).