SUSE-SU-2025:02264-1: Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP5 kernel was updated to receive various security bugfixes. The following security bugs were fixed: - CVE-2021-47557: net/sched: sch_ets: do not peek at classes beyond 'nbands' (bsc#1207361 bsc#1225468). - CVE-2021-47595: net/sched: sch_ets: do not remove idle classes from the round-robin list (bsc#1207361 bsc#1226552). - CVE-2023-52924: netfilter: nf_tables: do not skip expired elements during walk (bsc#1236821). - CVE-2023-52925: netfilter: nf_tables: do not fail inserts if duplicate has expired (bsc#1236822). - CVE-2024-26808: netfilter: nft_chain_filter: handle NETDEV_UNREGISTER for inet/ingress basechain (bsc#1222634). - CVE-2024-26924: scsi: lpfc: Release hbalock before calling lpfc_worker_wake_up() (bsc#1225820). - CVE-2024-27397: kabi: place tstamp needed for nftables set in a hole (bsc#1224095). - CVE-2024-36978: net: sched: sch_multiq: fix possible OOB write in multiq_tune() (bsc#1226514). - CVE-2024-46800: sch/netem: fix use after free in netem_dequeue (bsc#1230827). - CVE-2024-53125: bpf: sync_linked_regs() must preserve subreg_def (bsc#1234156). - CVE-2024-53141: netfilter: ipset: add missing range check in bitmap_ip_uadt (bsc#1234381). - CVE-2024-53197: ALSA: usb-audio: Fix potential out-of-bound accesses for Extigy and Mbox devices (bsc#1235464). - CVE-2024-56770: sch/netem: fix use after free in netem_dequeue (bsc#1235637). - CVE-2025-21700: net: sched: Disallow replacing of child qdisc from one parent to another (bsc#1237159). - CVE-2025-21702: pfifo_tail_enqueue: Drop new packet when sch->limit == 0 (bsc#1237312). - CVE-2025-21703: netem: Update sch->q.qlen before qdisc_tree_reduce_backlog() (bsc#1237313). - CVE-2025-21756: vsock: Orphan socket after transport release (bsc#1238876). - CVE-2025-23141: KVM: x86: Acquire SRCU in KVM_GET_MP_STATE to protect guest memory accesses (bsc#1242782). - CVE-2025-37752: net_sched: sch_sfq: move the limit validation (bsc#1242504). - CVE-2025-37823: net_sched: hfsc: Fix a potential UAF in hfsc_dequeue() too (bsc#1242924). - CVE-2025-37890: net_sched: hfsc: Fix a UAF vulnerability in class with netem as child qdisc (bsc#1243330). - CVE-2025-37997: netfilter: ipset: fix region locking in hash types (bsc#1243832). - CVE-2025-38000: sch_hfsc: Fix qlen accounting bug when using peek in hfsc_enqueue() (bsc#1244277). - CVE-2025-38001: net_sched: hfsc: Address reentrant enqueue adding class to eltree twice (bsc#1244234). - CVE-2025-38014: dmaengine: idxd: Refactor remove call with idxd_cleanup() helper (bsc#1244732). - CVE-2025-38060: bpf: abort verification if env->cur_state->loop_entry != NULL (bsc#1245155). - CVE-2025-38083: net_sched: prio: fix a race in prio_tune() (bsc#1245183). The following non-security bugs were fixed: - ALSA: usb-audio: Fix a DMA to stack memory bug (git-fixes). - Fix reference in 'net_sched: sch_sfq: use a temporary work area for validating configuration' (bsc#1242504) - MyBS: Correctly generate build flags for non-multibuild package limit (bsc# 1244241) Fixes: 0999112774fc ('MyBS: Use buildflags to set which package to build') - MyBS: Do not build kernel-obs-qa with limit_packages Fixes: 58e3f8c34b2b ('bs-upload-kernel: Pass limit_packages also on multibuild') - MyBS: Simplify qa_expr generation Start with a 0 which makes the expression valid even if there are no QA repositories (currently does not happen). Then separator is always needed. - bs-upload-kernel: Pass limit_packages also on multibuild Fixes: 0999112774fc ('MyBS: Use buildflags to set which package to build') Fixes: 747f601d4156 ('bs-upload-kernel, MyBS, Buildresults: Support multibuild (JSC-SLE#5501, boo#1211226, bsc#1218184)') - hugetlb: unshare some PMDs when splitting VMAs (bsc#1245431). - kernel-source: Do not use multiple -r in sed parameters - kernel-source: Remove log.sh from sources - mkspec: Exclude rt flavor from kernel-syms dependencies (bsc#1244337). - mm/hugetlb: fix huge_pmd_unshare() vs GUP-fast race (bsc#1245431). - mm/hugetlb: unshare page tables during VMA split, not before (bsc#1245431). - net_sched: sch_fifo: implement lockless __fifo_dump() (bsc#1237312) - net_sched: sch_sfq: use a temporary work area for validating configuration (bsc#1232504) - ovl: fix use inode directly in rcu-walk mode (bsc#1241900). - powerpc/powernv/memtrace: Fix out of bounds issue in memtrace mmap (bsc#1244309 ltc#213790). - powerpc/vas: Return -EINVAL if the offset is non-zero in mmap() (bsc#1244309 ltc#213790). - scsi: storvsc: Do not report the host packet status as the hv status (git-fixes). - scsi: storvsc: Increase the timeouts to storvsc_timeout (bsc#1245455).

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