SUSE-SU-2022:2104-1

SUSE-SU-2022:2104-1 · Security update for the Linux Kernel

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The SUSE Linux Enterprise 15 SP2 kernel was updated. The following security bugs were fixed: - CVE-2022-0168: Fixed a NULL pointer dereference in smb2_ioctl_query_info. (bsc#1197472) - CVE-2022-1966: Fixed an use-after-free bug in the netfilter subsystem. This flaw allowed a local attacker with user access to cause a privilege escalation issue. (bnc#1200015) - CVE-2022-28893: Ensuring that sockets are in the intended state inside the SUNRPC subsystem (bnc#1198330). - CVE-2022-1158: Fixed KVM x86/mmu compare-and-exchange of gPTE via the user address (bsc#1197660). - CVE-2022-21127: Fixed a stale MMIO data transient which can be exploited to speculatively/transiently disclose information via spectre like attacks. (bsc#1199650) - CVE-2022-21123: Fixed a stale MMIO data transient which can be exploited to speculatively/transiently disclose information via spectre like attacks. (bsc#1199650) - CVE-2022-21125: Fixed a stale MMIO data transient which can be exploited to speculatively/transiently disclose information via spectre like attacks. (bsc#1199650) - CVE-2022-21180: Fixed a stale MMIO data transient which can be exploited to speculatively/transiently disclose information via spectre like attacks. (bsc#1199650) - CVE-2022-21166: Fixed a stale MMIO data transient which can be exploited to speculatively/transiently disclose information via spectre like attacks. (bsc#1199650) - CVE-2022-1975: Fixed a bug that allows an attacker to crash the linux kernel by simulating nfc device from user-space. (bsc#1200143) - CVE-2022-1974: Fixed an use-after-free that could causes kernel crash by simulating an nfc device from user-space. (bsc#1200144) - CVE-2020-26541: Enforce the secure boot forbidden signature database (aka dbx) protection mechanism. (bnc#1177282) - CVE-2019-19377: Fixed an user-after-free that could be triggered when an attacker mounts a crafted btrfs filesystem image. (bnc#1158266) - CVE-2022-1729: Fixed a sys_perf_event_open() race condition against self (bsc#1199507). - CVE-2022-1184: Fixed an use-after-free and memory errors in ext4 when mounting and operating on a corrupted image. (bsc#1198577) - CVE-2022-1652: Fixed a statically allocated error counter inside the floppy kernel module (bsc#1199063). - CVE-2022-1734: Fixed a r/w use-after-free when non synchronized between cleanup routine and firmware download routine. (bnc#1199605) - CVE-2022-30594: Fixed restriction bypass on setting the PT_SUSPEND_SECCOMP flag (bnc#1199505). - CVE-2021-33061: Fixed insufficient control flow management for the Intel(R) 82599 Ethernet Controllers and Adapters that may have allowed an authenticated user to potentially enable denial of service via local access (bnc#1196426). - CVE-2022-1516: Fixed null-ptr-deref caused by x25_disconnect (bsc#1199012). - CVE-2021-20321: Fixed a race condition accessing file object in the OverlayFS subsystem in the way users do rename in specific way with OverlayFS. A local user could have used this flaw to crash the system (bnc#1191647). - CVE-2022-1353: Fixed access controll to kernel memory in the pfkey_register function in net/key/af_key.c. (bnc#1198516) - CVE-2022-1011: Fixed an use-after-free vulnerability which could allow a local attacker to retireve (partial) /etc/shadow hashes or any other data from filesystem when he can mount a FUSE filesystems. (bnc#1197343) The following non-security bugs were fixed: - btrfs: tree-checker: fix incorrect printk format (bsc#1200249). - cifs: fix bad fids sent over wire (bsc#1197157). - direct-io: clean up error paths of do_blockdev_direct_IO (bsc#1197656). - direct-io: defer alignment check until after the EOF check (bsc#1197656). - direct-io: do not force writeback for reads beyond EOF (bsc#1197656). - net: ena: A typo fix in the file ena_com.h (bsc#1198778). - net: ena: Add capabilities field with support for ENI stats capability (bsc#1198778). - net: ena: Add debug prints for invalid req_id resets (bsc#1198778). - net: ena: add device distinct log prefix to files (bsc#1198778). - net: ena: add jiffies of last napi call to stats (bsc#1198778). - net: ena: aggregate doorbell common operations into a function (bsc#1198778). - net: ena: aggregate stats increase into a function (bsc#1198778). - net: ena: Change ENI stats support check to use capabilities field (bsc#1198778). - net: ena: Change return value of ena_calc_io_queue_size() to void (bsc#1198778). - net: ena: Change the name of bad_csum variable (bsc#1198778). - net: ena: Extract recurring driver reset code into a function (bsc#1198778). - net: ena: fix coding style nits (bsc#1198778). - net: ena: fix DMA mapping function issues in XDP (bsc#1198778). - net: ena: Fix error handling when calculating max IO queues number (bsc#1198778). - net: ena: fix inaccurate print type (bsc#1198778). - net: ena: Fix undefined state when tx request id is out of bounds (bsc#1198778). - net: ena: Fix wrong rx request id by resetting device (bsc#1198778). - net: ena: Improve error logging in driver (bsc#1198778). - net: ena: introduce ndo_xdp_xmit() function for XDP_REDIRECT (bsc#1198778). - net: ena: introduce XDP redirect implementation (bsc#1198778). - net: ena: make symbol 'ena_alloc_map_page' static (bsc#1198778). - net: ena: Move reset completion print to the reset function (bsc#1198778). - net: ena: optimize data access in fast-path code (bsc#1198778). - net: ena: re-organize code to improve readability (bsc#1198778). - net: ena: Remove ena_calc_queue_size_ctx struct (bsc#1198778). - net: ena: remove extra words from comments (bsc#1198778). - net: ena: Remove module param and change message severity (bsc#1198778). - net: ena: Remove rcu_read_lock() around XDP program invocation (bsc#1198778). - net: ena: Remove redundant return code check (bsc#1198778). - net: ena: Remove unused code (bsc#1198778). - net: ena: store values in their appropriate variables types (bsc#1198778). - net: ena: Update XDP verdict upon failure (bsc#1198778). - net: ena: use build_skb() in RX path (bsc#1198778). - net: ena: use constant value for net_device allocation (bsc#1198778). - net: ena: Use dev_alloc() in RX buffer allocation (bsc#1198778). - net: ena: use xdp_frame in XDP TX flow (bsc#1198778). - net: ena: use xdp_return_frame() to free xdp frames (bsc#1198778). - net: mana: Add counter for packet dropped by XDP (bsc#1195651). - net: mana: Add counter for XDP_TX (bsc#1195651). - net: mana: Add handling of CQE_RX_TRUNCATED (bsc#1195651). - net: mana: Remove unnecessary check of cqe_type in mana_process_rx_cqe() (bsc#1195651). - net: mana: Reuse XDP dropped page (bsc#1195651). - net: mana: Use struct_size() helper in mana_gd_create_dma_region() (bsc#1195651). - NFS: limit use of ACCESS cache for negative responses (bsc#1196570). - PCI: hv: Do not set PCI_COMMAND_MEMORY to reduce VM boot time (bsc#1199314). - ping: fix the sk_bound_dev_if match in ping_lookup (bsc#1199918). - ping: remove pr_err from ping_lookup (bsc#1199918). - powerpc/mm: Remove dcache flush from memory remove (bsc#1196433 ltc#196449). - powerpc/powernv/memtrace: Fix dcache flushing (bsc#1196433 ltc#196449). - powerpc/pseries: Fix use after free in remove_phb_dynamic() (bsc#1065729 bsc#1198660 ltc#197803). - sched/rt: Disable RT_RUNTIME_SHARE by default (bnc#1197895). - scsi: scsi_dh_alua: Avoid crash during alua_bus_detach() (bsc#1028340 bsc#1198825). - SUNRPC: change locking for xs_swap_enable/disable (bsc#1196367). - video: hyperv_fb: Fix validation of screen resolution (git-fixes). - x86/pm: Save the MSR validity status at context setup (bsc#1198400). - x86/speculation: Restore speculation related MSRs during S3 resume (bsc#1198400).

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Veröffentlicht

2022-06-16T13:22:11Z

Aktualisiert

2026-02-04T03:47:46.394344Z

Technologie-Stack: system

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