🛡️ SUSE-SU-2026:20015-1 — kernel-64kb (CVE-2022-50253 +99 more)

Security update for the Linux Kernel

The SUSE Linux Enterprise 16.0 kernel was updated to fix various security issues

The following security issues were fixed:

• CVE-2022-50253: bpf: make sure skb->len != 0 when redirecting to a tunneling device (bsc#1249912).
• CVE-2025-37916: pds_core: remove write-after-free of client_id (bsc#1243474).
• CVE-2025-38084: mm/hugetlb: unshare page tables during VMA split, not before (bsc#1245431 bsc#1245498).
• CVE-2025-38085: mm/hugetlb: fix huge_pmd_unshare() vs GUP-fast race (bsc#1245431 bsc#1245499).
• CVE-2025-38321: smb: Log an error when close_all_cached_dirs fails (bsc#1246328).
• CVE-2025-38728: smb3: fix for slab out of bounds on mount to ksmbd (bsc#1249256).
• CVE-2025-39805: net: macb: fix unregister_netdev call order in macb_remove() (bsc#1249982).
• CVE-2025-39819: fs/smb: Fix inconsistent refcnt update (bsc#1250176).
• CVE-2025-39822: io_uring/kbuf: fix signedness in this_len calculation (bsc#1250034).
• CVE-2025-39831: fbnic: Move phylink resume out of service_task and into open/close (bsc#1249977).
• CVE-2025-39859: ptp: ocp: fix use-after-free bugs causing by ptp_ocp_watchdog (bsc#1250252).
• CVE-2025-39897: net: xilinx: axienet: Add error handling for RX metadata pointer retrieval (bsc#1250746).
• CVE-2025-39917: bpf: Fix out-of-bounds dynptr write in bpf_crypto_crypt (bsc#1250723).
• CVE-2025-39944: octeontx2-pf: Fix use-after-free bugs in otx2_sync_tstamp() (bsc#1251120).
• CVE-2025-39961: iommu/amd/pgtbl: Fix possible race while increase page table level (bsc#1251817).
• CVE-2025-39980: nexthop: Forbid FDB status change while nexthop is in a group (bsc#1252063).
• CVE-2025-39990: bpf: Check the helper function is valid in get_helper_proto (bsc#1252054).
• CVE-2025-40001: scsi: mvsas: Fix use-after-free bugs in mvs_work_queue (bsc#1252303).
• CVE-2025-40003: net: mscc: ocelot: Fix use-after-free caused by cyclic delayed work (bsc#1252301).
• CVE-2025-40006: mm/hugetlb: fix folio is still mapped when deleted (bsc#1252342).
• CVE-2025-40021: tracing: dynevent: Add a missing lockdown check on dynevent (bsc#1252681).
• CVE-2025-40024: vhost: Take a reference on the task in struct vhost_task (bsc#1252686).
• CVE-2025-40027: net/9p: fix double req put in p9_fd_cancelled (bsc#1252763).
• CVE-2025-40031: tee: fix register_shm_helper() (bsc#1252779).
• CVE-2025-40033: remoteproc: pru: Fix potential NULL pointer dereference in pru_rproc_set_ctable() (bsc#1252824).
• CVE-2025-40038: KVM: SVM: Skip fastpath emulation on VM-Exit if next RIP isn't valid (bsc#1252817).
• CVE-2025-40047: io_uring/waitid: always prune wait queue entry in io_waitid_wait() (bsc#1252790).
• CVE-2025-40053: net: dlink: handle copy_thresh allocation failure (bsc#1252808).
• CVE-2025-40055: ocfs2: fix double free in user_cluster_connect() (bsc#1252821).
• CVE-2025-40059: coresight: Fix incorrect handling for return value of devm_kzalloc (bsc#1252809).
• CVE-2025-40064: smc: Fix use-after-free in __pnet_find_base_ndev() (bsc#1252845).
• CVE-2025-40070: pps: fix warning in pps_register_cdev when register device fail (bsc#1252836).
• CVE-2025-40074: tcp: convert to dev_net_rcu() (bsc#1252794).
• CVE-2025-40075: tcp_metrics: use dst_dev_net_rcu() (bsc#1252795).
• CVE-2025-40081: perf: arm_spe: Prevent overflow in PERF_IDX2OFF() (bsc#1252776).
• CVE-2025-40083: net/sched: sch_qfq: Fix null-deref in agg_dequeue (bsc#1252912).
• CVE-2025-40086: drm/xe: Don't allow evicting of BOs in same VM in array of VM binds (bsc#1252923).
• CVE-2025-40098: ALSA: hda: cs35l41: Fix NULL pointer dereference in cs35l41_get_acpi_mute_state() (bsc#1252917).
• CVE-2025-40101: btrfs: fix memory leaks when rejecting a non SINGLE data profile without an RST (bsc#1252901).
• CVE-2025-40102: KVM: arm64: Prevent access to vCPU events before init (bsc#1252919).
• CVE-2025-40105: vfs: Don't leak disconnected dentries on umount (bsc#1252928).
• CVE-2025-40133: mptcp: Call dst_release() in mptcp_active_enable() (bsc#1253328).
• CVE-2025-40134: dm: fix NULL pointer dereference in __dm_suspend() (bsc#1253386).
• CVE-2025-40135: ipv6: use RCU in ip6_xmit() (bsc#1253342).
• CVE-2025-40139: smc: Use __sk_dst_get() and dst_dev_rcu() in in smc_clc_prfx_set() (bsc#1253409).
• CVE-2025-40149: tls: Use __sk_dst_get() and dst_dev_rcu() in get_netdev_for_sock() (bsc#1253355).
• CVE-2025-40153: mm: hugetlb: avoid soft lockup when mprotect to large memory area (bsc#1253408).
• CVE-2025-40157: EDAC/i10nm: Skip DIMM enumeration on a disabled memory controller (bsc#1253423).
• CVE-2025-40158: ipv6: use RCU in ip6_output() (bsc#1253402).
• CVE-2025-40159: xsk: Harden userspace-supplied xdp_desc validation (bsc#1253403).
• CVE-2025-40168: smc: Use __sk_dst_get() and dst_dev_rcu() in smc_clc_prfx_match() (bsc#1253427).
• CVE-2025-40169: bpf: Reject negative offsets for ALU ops (bsc#1253416).
• CVE-2025-40173: net/ip6_tunnel: Prevent perpetual tunnel growth (bsc#1253421).
• CVE-2025-40175: idpf: cleanup remaining SKBs in PTP flows (bsc#1253426).