Security update for the Linux Kernel

The SUSE Linux Enterprise 12 SP5 kernel was updated to receive various security and bugfixes. The following security bugs were fixed: - CVE-2022-29900, CVE-2022-29901: Fixed the RETBLEED attack, a new Spectre like Branch Target Buffer attack, that can leak arbitrary kernel information (bsc#1199657). - CVE-2022-1679: Fixed a use-after-free in the Atheros wireless driver in the way a user forces the ath9k_htc_wait_for_target function to fail with some input messages (bsc#1199487). - CVE-2022-20132: Fixed out of bounds read due to improper input validation in lg_probe and related functions of hid-lg.c (bsc#1200619). - CVE-2022-1012: Fixed information leak caused by small table perturb size in the TCP source port generation algorithm (bsc#1199482). - CVE-2022-33981: Fixed use-after-free in floppy driver (bsc#1200692) - CVE-2022-20141: Fixed a possible use after free due to improper locking in ip_check_mc_rcu() (bsc#1200604). - CVE-2021-4157: Fixed an out of memory bounds write flaw in the NFS subsystem, related to the replication of files with NFS. A user could potentially crash the system or escalate privileges on the system (bsc#1194013). - CVE-2022-20154: Fixed a use after free due to a race condition in lock_sock_nested of sock.c. This could lead to local escalation of privilege with System execution privileges needed (bsc#1200599). - CVE-2020-26541: Enforce the secure boot forbidden signature database (aka dbx) protection mechanism. (bsc#1177282) - CVE-2022-2318: Fixed a use-after-free vulnerabilities in the timer handler in net/rose/rose_timer.c that allow attackers to crash the system without any privileges (bsc#1201251). - CVE-2022-26365, CVE-2022-33740, CVE-2022-33741, CVE-2022-33742: Fixed multiple potential data leaks with Block and Network devices when using untrusted backends (bsc#1200762). The following non-security bugs were fixed: - audit: fix a race condition with the auditd tracking code (bsc#1197170). - block: bio-integrity: Advance seed correctly for larger interval sizes (git-fixes). - bnxt_en: Remove the setting of dev_port (git-fixes). - bonding: fix bond_neigh_init() (git-fixes). - dm crypt: Avoid percpu_counter spinlock contention in crypt_page_alloc() (git-fixes). - drbd: fix duplicate array initializer (git-fixes). - drbd: remove assign_p_sizes_qlim (git-fixes). - drbd: use bdev_alignment_offset instead of queue_alignment_offset (git-fixes). - drbd: use bdev based limit helpers in drbd_send_sizes (git-fixes). - exec: Force single empty string when argv is empty (bsc#1200571). - ext4: fix bug_on ext4_mb_use_inode_pa (bsc#1200810). - ext4: fix bug_on in __es_tree_search (bsc#1200809). - ext4: fix bug_on in ext4_writepages (bsc#1200872). - ext4: fix overhead calculation to account for the reserved gdt blocks (bsc#1200869). - ext4: fix race condition between ext4_write and ext4_convert_inline_data (bsc#1200807). - ext4: fix symlink file size not match to file content (bsc#1200868). - ext4: fix use-after-free in ext4_rename_dir_prepare (bsc#1200871). - ext4: force overhead calculation if the s_overhead_cluster makes no sense (bsc#1200870). - ext4: limit length to bitmap_maxbytes - blocksize in punch_hole (bsc#1200806). - ext4: make variable 'count' signed (bsc#1200820). - fs-writeback: writeback_sb_inodes Recalculate 'wrote' according skipped pages (bsc#1200873). - i915_vma: Rename vma_lookup to i915_vma_lookup (git-fixes). - ibmvnic: Properly dispose of all skbs during a failover (bsc#1200925). - init: Initialize noop_backing_dev_info early (bsc#1200822). - inotify: show inotify mask flags in proc fdinfo (bsc#1200600). - Input: bcm5974 - set missing URB_NO_TRANSFER_DMA_MAP urb flag (git-fixes). - Input: elan_i2c - fix regulator enable count imbalance after suspend/resume (git-fixes). - Input: elan_i2c - move regulator_[en|dis]able() out of elan_[en|dis]able_power() (git-fixes). - Input: omap4-keypad - fix pm_runtime_get_sync() error checking (git-fixes). - iomap: iomap_write_failed fix (bsc#1200829). - kvm: fix wrong exception emulation in check_rdtsc (git-fixes). - kvm: i8254: remove redundant assignment to pointer s (git-fixes). - KVM: LAPIC: Prevent setting the tscdeadline timer if the lapic is hw disabled (git-fixes). - KVM: s390: vsie/gmap: reduce gmap_rmap overhead (git-fixes). - KVM: x86: Allocate new rmap and large page tracking when moving memslot (git-fixes). - KVM: x86: always stop emulation on page fault (git-fixes). - KVM: x86: clear stale x86_emulate_ctxt->intercept value (git-fixes). - KVM: x86: clflushopt should be treated as a no-op by emulation (git-fixes). - kvm: x86/cpuid: Only provide CPUID leaf 0xA if host has architectural PMU (git-fixes). - KVM: x86: Do not force set BSP bit when local APIC is managed by userspace (git-fixes). - KVM: x86: do not modify masked bits of shared MSRs (git-fixes). - KVM: x86/emulator: Defer not-present segment check in __load_segment_descriptor() (git-fixes). - KVM: x86: Fix emulation in writing cr8 (git-fixes). - KVM: x86: Fix off-by-one error in kvm_vcpu_ioctl_x86_setup_mce (git-fixes). - KVM: x86: Fix potential put_fpu() w/o load_fpu() on MPX platform (git-fixes). - KVM: x86: Fix x86_decode_insn() return when fetching insn bytes fails (git-fixes). - KVM: x86: Free wbinvd_dirty_mask if vCPU creation fails (git-fixes). - kvm: x86: Improve emulation of CPUID leaves 0BH and 1FH (git-fixes). - KVM: x86: Inject #GP if guest attempts to toggle CR4.LA57 in 64-bit mode (git-fixes). - KVM: x86: Manually calculate reserved bits when loading PDPTRS (git-fixes). - KVM: x86: Manually flush collapsible SPTEs only when toggling flags (git-fixes). - KVM: x86: Migrate the PIT only if vcpu0 is migrated, not any BSP (git-fixes). - KVM: x86/mmu: Treat invalid shadow pages as obsolete (git-fixes). - KVM: x86: Refactor prefix decoding to prevent Spectre-v1/L1TF attacks (git-fixes). - KVM: x86: Remove spurious clearing of async #PF MSR (git-fixes). - KVM: x86: Remove spurious kvm_mmu_unload() from vcpu destruction path (git-fixes). - KVM: x86: remove stale comment from struct x86_emulate_ctxt (git-fixes). - KVM: x86: set ctxt->have_exception in x86_decode_insn() (git-fixes). - kvm: x86: skip populating logical dest map if apic is not sw enabled (git-fixes). - KVM: x86: Trace the original requested CPUID function in kvm_cpuid() (git-fixes). - KVM: x86: Update vCPU's hv_clock before back to guest when tsc_offset is adjusted (git-fixes). - md: bcache: check the return value of kzalloc() in detached_dev_do_request() (git-fixes). - md: fix an incorrect NULL check in does_sb_need_changing (git-fixes). - md: fix an incorrect NULL check in md_reload_sb (git-fixes). - md/raid0: Ignore RAID0 layout if the second zone has only one device (git-fixes). - mm: add vma_lookup(), update find_vma_intersection() comments (git-fixes). - net/mlx5: Avoid double free of root ns in the error flow path (git-fixes). - net/mlx5e: Replace reciprocal_scale in TX select queue function (git-fixes). - net/mlx5e: Switch to Toeplitz RSS hash by default (git-fixes). - net/mlx5: Fix auto group size calculation (git-fixes). - net: qed: Disable aRFS for NPAR and 100G (git-fixes). - net: qede: Disable aRFS for NPAR and 100G (git-fixes). - net: stmmac: update rx tail pointer register to fix rx dma hang issue (git-fixes). - NFSD: Fix possible sleep during nfsd4_release_lockowner() (git-fixes). - NFS: Further fixes to the writeback error handling (git-fixes). - PCI/ACPI: Allow D3 only if Root Port can signal and wake from D3 (git-fixes). - PCI: Tidy comments (git-fixes). - platform/chrome: cros_ec_proto: Send command again when timeout occurs (git-fixes). - powerpc/idle: Fix return value of __setup() handler (bsc#1065729). - powerpc/perf: Fix the threshold compare group constraint for power9 (bsc#1065729). - powerpc/rtas: Allow ibm,platform-dump RTAS call with null buffer address (bsc#1200343 ltc#198477). - qed: Enable automatic recovery on error condition (bsc#1196964). - raid5: introduce MD_BROKEN (git-fixes). - s390: fix detection of vector enhancements facility 1 vs. vector packed decimal facility (git-fixes). - s390: fix strrchr() implementation (git-fixes). - s390/ftrace: fix ftrace_update_ftrace_func implementation (git-fixes). - s390/gmap: do not unconditionally call pte_unmap_unlock() in __gmap_zap() (git-fixes). - s390/gmap: validate VMA in __gmap_zap() (git-fixes). - s390/mm: fix VMA and page table handling code in storage key handling functions (git-fixes). - s390/mm: validate VMA in PGSTE manipulation functions (git-fixes). - scsi: dc395x: Fix a missing check on list iterator (git-fixes). - scsi: ufs: qcom: Add a readl() to make sure ref_clk gets enabled (git-fixes). - scsi: ufs: qcom: Fix ufs_qcom_resume() (git-fixes). - SUNRPC: Fix the calculation of xdr->end in xdr_get_next_encode_buffer() (git-fixes). - target: remove an incorrect unmap zeroes data deduction (git-fixes). - tracing: Fix return value of trace_pid_write() (git-fixes). - usb: musb: Fix missing of_node_put() in omap2430_probe (git-fixes). - USB: serial: option: add Quectel BG95 modem (git-fixes). - USB: storage: karma: fix rio_karma_init return (git-fixes). - usb: usbip: add missing device lock on tweak configuration cmd (git-fixes). - usb: usbip: fix a refcount leak in stub_probe() (git-fixes). - video: fbdev: clcdfb: Fix refcount leak in clcdfb_of_vram_setup (bsc#1129770) - writeback: Avoid skipping inode writeback (bsc#1200813). - writeback: Fix inode->i_io_list not be protected by inode->i_lock error (bsc#1200821).