Vulnerability-Lookup

SUSE-SU-2023:4031-1

Vulnerability from csaf_suse - Published: 2023-10-10 12:19 - Updated: 2023-10-10 12:19

Summary

Security update for the Linux Kernel

Severity

Important

Notes

Title of the patch: Security update for the Linux Kernel

Description of the patch: The SUSE Linux Enterprise 12 SP5 kernel was updated to receive various security and bugfixes. The following security bugs were fixed: - CVE-2023-39192: Fixed an out of bounds read in the netfilter (bsc#1215858). - CVE-2023-39193: Fixed an out of bounds read in the xtables subsystem (bsc#1215860). - CVE-2023-39194: Fixed an out of bounds read in the XFRM subsystem (bsc#1215861). - CVE-2023-42754: Fixed a NULL pointer dereference in the IPv4 stack that could lead to denial of service (bsc#1215467). - CVE-2023-1206: Fixed a hash collision flaw in the IPv6 connection lookup table which could be exploited by network adjacent attackers, increasing CPU usage by 95% (bsc#1212703). - CVE-2023-4921: Fixed a use-after-free vulnerability in the QFQ network scheduler which could be exploited to achieve local privilege escalation (bsc#1215275). - CVE-2023-0394: Fixed a NULL pointer dereference in the IPv6 stack that could lead to denial of service (bsc#1207168). - CVE-2023-4622: Fixed a use-after-free vulnerability in the Unix domain sockets component which could be exploited to achieve local privilege escalation (bsc#1215117). - CVE-2023-4623: Fixed a use-after-free issue in the HFSC network scheduler which could be exploited to achieve local privilege escalation (bsc#1215115). - CVE-2020-36766: Fixed a potential information leak in in the CEC driver (bsc#1215299). - CVE-2023-1859: Fixed a use-after-free flaw in Xen transport for 9pfs which could be exploited to crash the system (bsc#1210169). - CVE-2023-4881: Fixed a out-of-bounds write flaw in the netfilter subsystem that could lead to potential information disclosure or a denial of service (bsc#1215221). - CVE-2023-1192: Fixed use-after-free in cifs_demultiplex_thread() (bsc#1208995). The following non-security bugs were fixed: - 9p/trans_virtio: Remove sysfs file on probe failure (git-fixes). - Drivers: hv: vmbus: Do not dereference ACPI root object handle (git-fixes). - Input: psmouse - fix OOB access in Elantech protocol (git-fixes). - Input: raspberrypi-ts - fix refcount leak in rpi_ts_probe (git-fixes). - Input: xpad - add constants for GIP interface numbers (git-fixes). - Input: xpad - delete a Razer DeathAdder mouse VID/PID entry (git-fixes). - KVM: s390: vsie: Fix the initialization of the epoch extension (epdx) field (git-fixes bsc#1215897). - KVM: s390: vsie: fix the length of APCB bitmap (git-fixes bsc#1215898). - NFS/pNFS: Report EINVAL errors from connect() to the server (git-fixes). - NFSv4/pnfs: minor fix for cleanup path in nfs4_get_device_info (git-fixes). - README: update rebuilding information (jsc#PED-5021). - USB: serial: option: add FOXCONN T99W368/T99W373 product (git-fixes). - USB: serial: option: add Quectel EM05G variant (0x030e) (git-fixes). - VSOCK: handle VIRTIO_VSOCK_OP_CREDIT_REQUEST (git-fixes). - arm64: insn: Fix ldadd instruction encoding (git-fixes) - arm64: kgdb: Set PSTATE.SS to 1 to re-enable single-step (git-fixes) - blacklist.conf: workqueue: compiler warning on 32-bit systems with Clang (bsc#1215877) - blk-mq: Add blk_mq_delay_run_hw_queues() API call (bsc#1214586). - blk-mq: In blk_mq_dispatch_rq_list() 'no budget' is a reason to kick (bsc#1214586). - blk-mq: Rerun dispatching in the case of budget contention (bsc#1214586). - btrfs: output extra debug info on failure (bsc#1215136). - config: do not incorrectly set CONFIG_BUILTIN_RETURN_ADDRESS_STRIPS_PAC (bsc#1214380). - direct-io: allow direct writes to empty inodes (bsc#1215164). - drm/ast: Fix DRAM init on AST2200 (bsc#1152446) - drm/client: Fix memory leak in drm_client_target_cloned (bsc#1152446). - drm/client: Send hotplug event after registering a client (bsc#1152446). - drm/virtio: Fix GEM handle creation UAF (git-fixes). - drm/virtio: fix NULL pointer dereference in virtio_gpu_conn_get_modes (git-fixes). - ext4: avoid deadlock in fs reclaim with page writeback (bsc#1213016). - ext4: correct inline offset when handling xattrs in inode body (bsc#1214950). - ext4: fix wrong unit use in ext4_mb_clear_bb (bsc#1214943). - ext4: set goal start correctly in ext4_mb_normalize_request (bsc#1214940). - fbcon: Fix null-ptr-deref in soft_cursor (bsc#1154048). - fbdev: au1200fb: Fix missing IRQ check in au1200fb_drv_probe (bsc#1154048) - fbdev: imxfb: warn about invalid left/right margin (bsc#1154048) - fbdev: modedb: Add 1920x1080 at 60 Hz video mode (bsc#1154048) - fbdev: omapfb: lcd_mipid: Fix an error handling path in (bsc#1154048). - firmware: raspberrypi: Introduce devm_rpi_firmware_get() (git-fixes). - firmware: raspberrypi: Keep count of all consumers (git-fixes). - firmware: raspberrypi: fix possible memory leak in rpi_firmware_probe() (git-fixes). - fs: avoid softlockups in s_inodes iterators (bsc#1215165). - fuse: nlookup missing decrement in fuse_direntplus_link (bsc#1215607). - hv_utils: Fix passing zero to 'PTR_ERR' warning (git-fixes). - idr: fix param name in idr_alloc_cyclic() doc (bsc#1109837). - jbd2: Fix wrongly judgement for buffer head removing while doing checkpoint (bsc#1214948). - jbd2: check 'jh->b_transaction' before removing it from checkpoint (bsc#1214953). - jbd2: fix a race when checking checkpoint buffer busy (bsc#1214949). - jbd2: fix checkpoint cleanup performance regression (bsc#1214952). - jbd2: recheck chechpointing non-dirty buffer (bsc#1214945). - jbd2: remove t_checkpoint_io_list (bsc#1214946). - jbd2: remove unused function '__cp_buffer_busy' (bsc#1215162). - jbd2: restore t_checkpoint_io_list to maintain kABI (bsc#1214946). - jbd2: simplify journal_clean_one_cp_list() (bsc#1215207). - media: b2c2: Add missing check in flexcop_pci_isr: (git-fixes). - media: cec-notifier: clear cec_adap in cec_notifier_unregister (git-fixes). - media: cec: copy sequence field for the reply (git-fixes). - media: cec: integrate cec_validate_phys_addr() in cec-api.c (git-fixes). - media: cec: make cec_get_edid_spa_location() an inline function (git-fixes). - media: flexcop-usb: fix NULL-ptr deref in flexcop_usb_transfer_init() (git-fixes). - media: mceusb: return without resubmitting URB in case of -EPROTO error (git-fixes). - media: s5p_cec: decrement usage count if disabled (git-fixes). - media: uvcvideo: Increase UVC_CTRL_CONTROL_TIMEOUT to 5 seconds (git-fixes). - mkspec: Allow unsupported KMPs (bsc#1214386) - net/mlx5: Fix size field in bufferx_reg struct (git-fixes). - net: accept UFOv6 packages in virtio_net_hdr_to_skb (git-fixes). - net: check if protocol extracted by virtio_net_hdr_set_proto is correct (git-fixes). - net: do not allow gso_size to be set to GSO_BY_FRAGS (git-fixes). - net: ensure mac header is set in virtio_net_hdr_to_skb() (git-fixes). - net: tap: NULL pointer derefence in dev_parse_header_protocol when skb->dev is null (git-fixes). - net: usb: qmi_wwan: add Quectel EM05GV2 (git-fixes). - net: virtio_vsock: Enhance connection semantics (git-fixes). - nfsd: fix change_info in NFSv4 RENAME replies (git-fixes). - powerpc/64s/exception: machine check use correct cfar for late handler (bsc#1065729). - powerpc/iommu: Fix notifiers being shared by PCI and VIO buses (bsc#1065729). - powerpc/xics: Remove unnecessary endian conversion (bsc#1065729). - quota: Properly disable quotas when add_dquot_ref() fails (bsc#1214961). - quota: fix warning in dqgrab() (bsc#1214962). - remoteproc: Add missing '\n' in log messages (git-fixes). - remoteproc: Fix NULL pointer dereference in rproc_virtio_notify (git-fixes). - s390/dasd: fix hanging device after request requeue (LTC#203632 bsc#1215121). - s390/zcrypt: do not leak memory if dev_set_name() fails (git-fixes bsc#1215152). - s390: add z16 elf platform (LTC#203790 bsc#1215954). - scsi: qla2xxx: Fix NULL vs IS_ERR() bug for debugfs_create_dir() (git-fixes). - scsi: qla2xxx: Use raw_smp_processor_id() instead of smp_processor_id() (git-fixes). - scsi: zfcp: reduce flood of fcrscn1 trace records on multi-element RSCN (git-fixes bsc#1215149). - tools/virtio: fix the vringh test for virtio ring changes (git-fixes). - tracing: Reverse the order of trace_types_lock and event_mutex (git-fixes bsc#1215634). - udf: Fix extension of the last extent in the file (bsc#1214964). - udf: Fix file corruption when appending just after end of preallocated extent (bsc#1214965). - udf: Fix off-by-one error when discarding preallocation (bsc#1214966). - udf: Fix uninitialized array access for some pathnames (bsc#1214967). - usb: typec: altmodes/displayport: Add pin assignment helper (git-fixes). - usb: typec: altmodes/displayport: Fix pin assignment calculation (git-fixes). - vhost/net: Clear the pending messages when the backend is removed (git-fixes). - vhost/test: stop device before reset (git-fixes). - vhost/vsock: Fix error handling in vhost_vsock_init() (git-fixes). - vhost: Do not call access_ok() when using IOTLB (git-fixes). - vhost: Fix vhost_vq_reset() (git-fixes). - vhost: Use vhost_get_used_size() in vhost_vring_set_addr() (git-fixes). - vhost: fix range used in translate_desc() (git-fixes). - vhost: introduce helpers to get the size of metadata area (git-fixes). - vhost: missing __user tags (git-fixes). - vhost: vsock: kick send_pkt worker once device is started (git-fixes). - vhost_net: fix ubuf refcount incorrectly when sendmsg fails (git-fixes). - virtio-gpu: fix a missing check to avoid NULL dereference (git-fixes). - virtio-gpu: fix possible memory allocation failure (git-fixes). - virtio-net: execute xdp_do_flush() before napi_complete_done() (git-fixes). - virtio-net: fix race between ndo_open() and virtio_device_ready() (git-fixes). - virtio-net: fix race between set queues and probe (git-fixes). - virtio-net: fix the race between refill work and close (git-fixes). - virtio-net: set queues after driver_ok (git-fixes). - virtio-rng: make device ready before making request (git-fixes). - virtio: acknowledge all features before access (git-fixes). - virtio_balloon: prevent pfn array overflow (git-fixes). - virtio_mmio: Add missing PM calls to freeze/restore (git-fixes). - virtio_mmio: Restore guest page size on resume (git-fixes). - virtio_net: Fix probe failed when modprobe virtio_net (git-fixes). - virtio_net: Remove BUG() to avoid machine dead (git-fixes). - virtio_net: add checking sq is full inside xdp xmit (git-fixes). - virtio_net: fix memory leak inside XPD_TX with mergeable (git-fixes). - virtio_net: reorder some funcs (git-fixes). - virtio_net: separate the logic of checking whether sq is full (git-fixes). - virtio_net: suppress cpu stall when free_unused_bufs (git-fixes). - virtio_pci: Support surprise removal of virtio pci device (git-fixes). - virtio_pci_modern: Fix the comment of virtio_pci_find_capability() (git-fixes). - virtio_ring: Avoid loop when vq is broken in virtqueue_poll (git-fixes). - vringh: Fix loop descriptors check in the indirect cases (git-fixes). - vsock/virtio: avoid potential deadlock when vsock device remove (git-fixes). - vsock/virtio: enable VQs early on probe (git-fixes). - vsock/virtio: free queued packets when closing socket (git-fixes). - vsock/virtio: update credit only if socket is not closed (git-fixes). - word-at-a-time: use the same return type for has_zero regardless of endianness (bsc#1065729). - x86/hyperv: Fix NULL deref in set_hv_tscchange_cb() if Hyper-V setup fails (git-fixes). - x86/srso: Do not probe microcode in a guest (git-fixes). - x86/srso: Fix SBPB enablement for spec_rstack_overflow=off (git-fixes). - x86/srso: Fix srso_show_state() side effect (git-fixes). - x86/srso: Set CPUID feature bits independently of bug or mitigation status (git-fixes). - xen: remove a confusing comment on auto-translated guest I/O (git-fixes).

Patchnames: SUSE-2023-4031,SUSE-SLE-HA-12-SP5-2023-4031,SUSE-SLE-Live-Patching-12-SP5-2023-4031,SUSE-SLE-SDK-12-SP5-2023-4031,SUSE-SLE-SERVER-12-SP5-2023-4031,SUSE-SLE-WE-12-SP5-2023-4031

CVE-2020-36766

2.5 (Low)


                        
                          CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N