SUSE-SU-2023:4735-1

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

The following security bugs were fixed:

• CVE-2023-0461: Fixed use-after-free in icsk_ulp_data (bsc#1208787).
• CVE-2023-39197: Fixed a out-of-bounds read in nf_conntrack_dccp_packet() (bsc#1216976).
• CVE-2023-45863: Fixed a out-of-bounds write in fill_kobj_path() (bsc#1216058).
• CVE-2023-5717: Fixed a heap out-of-bounds write vulnerability in the Performance Events component (bsc#1216584).
• CVE-2023-45871: Fixed an issue in the IGB driver, where the buffer size may not be adequate for frames larger than the MTU (bsc#1216259).
• CVE-2023-39198: Fixed a race condition leading to use-after-free in qxl_mode_dumb_create() (bsc#1216965).
• CVE-2023-31083: Fixed race condition in hci_uart_tty_ioctl (bsc#1210780).

The following non-security bugs were fixed:

• cpu/SMT: Allow enabling partial SMT states via sysfs (bsc#1214285 bsc#1205462 ltc#200161 ltc#200588).
• cpu/SMT: Create topology_smt_thread_allowed() (bsc#1214285 bsc#1205462 ltc#200161 ltc#200588).
• cpu/SMT: Move SMT prototypes into cpu_smt.h (bsc#1214408).
• cpu/SMT: Move smt/control simple exit cases earlier (bsc#1214408).
• cpu/SMT: Remove topology_smt_supported() (bsc#1214408).
• cpu/SMT: Store the current/max number of threads (bsc#1214408).
• cpu/hotplug: Create SMT sysfs interface for all arches (bsc#1214285 bsc#1205462 ltc#200161 ltc#200588).
• dm-raid: remove useless checking in raid_message() (git-fixes).
• l2tp: fix refcount leakage on PPPoL2TP sockets (git-fixes).
• l2tp: fix {pppol2tp, l2tp_dfs}_seq_stop() in case of seq_file overflow (git-fixes).
• md/bitmap: always wake up md_thread in timeout_store (git-fixes).
• md/bitmap: factor out a helper to set timeout (git-fixes).
• md/raid10: Do not add spare disk when recovery fails (git-fixes).
• md/raid10: check slab-out-of-bounds in md_bitmap_get_counter (git-fixes).
• md/raid10: clean up md_add_new_disk() (git-fixes).
• md/raid10: fix io loss while replacement replace rdev (git-fixes).
• md/raid10: fix leak of 'r10bio->remaining' for recovery (git-fixes).
• md/raid10: fix memleak for 'conf->bio_split' (git-fixes).
• md/raid10: fix memleak of md thread (git-fixes).
• md/raid10: fix null-ptr-deref in raid10_sync_request (git-fixes).
• md/raid10: fix null-ptr-deref of mreplace in raid10_sync_request (git-fixes).
• md/raid10: fix overflow of md/safe_mode_delay (git-fixes).
• md/raid10: fix wrong setting of max_corr_read_errors (git-fixes).
• md/raid10: improve code of mrdev in raid10_sync_request (git-fixes).
• md/raid10: prevent soft lockup while flush writes (git-fixes).
• md/raid10: prioritize adding disk to 'removed' mirror (git-fixes).
• md: Flush workqueue md_rdev_misc_wq in md_alloc() (git-fixes).
• md: add new workqueue for delete rdev (git-fixes).
• md: avoid signed overflow in slot_store() (git-fixes).
• md: do not return existing mddevs from mddev_find_or_alloc (git-fixes).
• md: factor out a mddev_alloc_unit helper from mddev_find (git-fixes).
• md: fix data corruption for raid456 when reshape restart while grow up (git-fixes).
• md: fix deadlock causing by sysfs_notify (git-fixes).
• md: fix incorrect declaration about claim_rdev in md_import_device (git-fixes).
• md: flush md_rdev_misc_wq for HOT_ADD_DISK case (git-fixes).
• md: get sysfs entry after redundancy attr group create (git-fixes).
• md: refactor mddev_find_or_alloc (git-fixes).
• md: remove lock_bdev / unlock_bdev (git-fixes).
• mm, memcg: add mem_cgroup_disabled checks in vmpressure and swap-related functions (bsc#1190208 (MM functional and performance backports) bsc#1216759).
• net-memcg: Fix scope of sockmem pressure indicators (bsc#1216759).
• net: mana: Configure hwc timeout from hardware (bsc#1214037).
• net: mana: Fix MANA VF unload when hardware is unresponsive (bsc#1214764).
• powerpc/pseries: Honour current SMT state when DLPAR onlining CPUs (bsc#1214285 bsc#1205462 ltc#200161 ltc#200588).
• powerpc/pseries: Initialise CPU hotplug callbacks earlier (bsc#1214285 bsc#1205462 ltc#200161 ltc#200588).
• powerpc: Add HOTPLUG_SMT support (bsc#1214285 bsc#1205462 ltc#200161 ltc#200588). Update config files.
• ring-buffer: Avoid softlockup in ring_buffer_resize() (git-fixes).
• s390/cio: unregister device when the only path is gone (git-fixes bsc#1217607).
• s390/cmma: fix detection of DAT pages (LTC#203996 bsc#1217087).
• s390/cmma: fix handling of swapper_pg_dir and invalid_pg_dir (LTC#203996 bsc#1217087).
• s390/cmma: fix initial kernel address space page table walk (LTC#203996 bsc#1217087).
• s390/crashdump: fix TOD programmable field size (git-fixes bsc#1217206).
• s390/dasd: protect device queue against concurrent access (git-fixes bsc#1217519).
• s390/dasd: use correct number of retries for ERP requests (git-fixes bsc#1217604).
• s390/mm: add missing arch_set_page_dat() call to gmap allocations (LTC#203996 bsc#1217087).
• s390/mm: add missing arch_set_page_dat() call to vmem_crst_alloc() (LTC#203996 bsc#1217087).
• s390/ptrace: fix PTRACE_GET_LAST_BREAK error handling (git-fixes bsc#1217603).
• scsi: qla2xxx: Fix double free of dsd_list during driver load (git-fixes).
• scsi: qla2xxx: Use FIELD_GET() to extract PCIe capability fields (git-fixes).
• tracing: Increase PERF_MAX_TRACE_SIZE to handle Sentinel1 and docker together (bsc#1216031).
• usb-storage: fix deadlock when a scsi command timeouts more than once (git-fixes).
• usb: serial: option: add Quectel RM500U-CN modem (git-fixes).
• usb: serial: option: add Telit FE990 compositions (git-fixes).
• usb: serial: option: add UNISOC vendor and TOZED LT70C product (git-fixes).
• usb: typec: tcpm: Fix altmode re-registration causes sysfs create fail (git-fixes).
• xfs: fix units conversion error in xfs_bmap_del_extent_delay (git-fixes).
• xfs: make sure maxlen is still congruent with prod when rounding down (git-fixes).
• xfs: reserve data and rt quota at the same time (bsc#1203496).