SUSE-SU-2026:4254-1
SUSE-SU-2026:4254-1 · Security update for the Linux Kernel
This page contains facts from public vulnerability sources. Check the original advisory before updating.
This page shows selected source facts. See the linked advisories for the complete description and affected versions.
The SUSE Linux Enterprise 15 SP7 kernel was updated to fix various security issues: The following security issues were fixed: - CVE-2024-57841,CVE-2026-53260: net: fix memory leak in tcp_conn_request() (bsc#1235944 bsc#1269731). - CVE-2025-68214: timers: Fix NULL function pointer race in timer_shutdown_sync() (bsc#1255225). - CVE-2025-71075: scsi: aic94xx: fix use-after-free in device removal path (bsc#1256629). - CVE-2026-31418: netfilter: ipset: drop logically empty buckets in mtype_del (bsc#1262073). - CVE-2026-31531: ipv4: nexthop: allocate skb dynamically in rtm_get_nexthop() (bsc#1263004). - CVE-2026-31557: nvmet: move async event work off nvmet-wq (bsc#1263061). - CVE-2026-31658: net: altera-tse: fix skb leak on DMA mapping error in tse_start_xmit() (bsc#1263052). - CVE-2026-31663: xfrm: hold device only for the asynchronous decryption (bsc#1263133). - CVE-2026-43014,CVE-2026-43015: net: macb: fix clk handling on PCI glue driver removal (bsc#1264010 bsc#1264012). - CVE-2026-43116: netfilter: ctnetlink: ensure safe access to master conntrack (bsc#1264619). - CVE-2026-43125: dlm: validate length in dlm_search_rsb_tree (bsc#1264541). - CVE-2026-43163: md/bitmap: fix GPF in write_page caused by resize race (bsc#1264335). - CVE-2026-43213: wifi: rtw89: pci: validate sequence number of TX release report (bsc#1264643). - CVE-2026-43271: md-cluster: fix NULL pointer dereference in process_metadata_update (bsc#1264587). - CVE-2026-43273: ceph: supply snapshot context in ceph_zero_partial_object() (bsc#1264446). - CVE-2026-43363: x86/apic: Disable x2apic on resume if the kernel expects so (bsc#1265068). - CVE-2026-43386: staging: rtl8723bs: fix potential out-of-bounds read in rtw_restruct_wmm_ie (bsc#1264740). - CVE-2026-43416: powerpc, perf: Check that current->mm is alive before getting user callchain (bsc#1265121). - CVE-2026-43448: nvme-pci: Fix race bug in nvme_poll_irqdisable() (bsc#1264807). - CVE-2026-45897: bpf: Fix UAF in sock clone early bailouts (bsc#1266897). - CVE-2026-45968: cpuidle: Skip governor when only one idle state is available (bsc#1267023). - CVE-2026-46070: md/raid5: validate payload size before accessing journal metadata (bsc#1267501). - CVE-2026-46078: erofs: fix the out-of-bounds nameoff handling for trailing dirents (bsc#1267505). - CVE-2026-46091: media: rc: igorplugusb: heed coherency rules (bsc#1267238). - CVE-2026-46107: dm-thin: fix metadata refcount underflow (bsc#1267612). - CVE-2026-46115: block: add pgmap check to biovec_phys_mergeable (bsc#1266874). - CVE-2026-46127: RDMA/ocrdma: Don't NULL deref uctx on errors in ocrdma_copy_pd_uresp() (bsc#1267236). - CVE-2026-46195: smb: client: validate dacloffset before building DACL pointers (bsc#1266860). - CVE-2026-52920: netfilter: xt_policy: fix strict mode inbound policy matching (bsc#1269013). - CVE-2026-52925: vrf: Fix a potential NPD when removing a port from a VRF (bsc#1268987). - CVE-2026-52929: sctp: stream: fully roll back denied add-stream state (bsc#1269004). - CVE-2026-52935: xfrm: espintcp: do not reuse an in-progress partial send (bsc#1268979). - CVE-2026-52939: net/rds: fix NULL deref in rds_ib_send_cqe_handler() on masked atomic completion (bsc#1268972). - CVE-2026-52946: fs/fcntl: fix SOFTIRQ-unsafe lock order in fasync signaling (bsc#1269113). - CVE-2026-52975: bonding: 802.3ad replace MAC_ADDRESS_EQUAL with __agg_has_partner (bsc#1269234). - CVE-2026-52977: futex: Prevent lockup in requeue-PI during signal/ timeout wakeup (bsc#1269242). - CVE-2026-52990: fsnotify: fix inode reference leak in fsnotify_recalc_mask() (bsc#1269108). - CVE-2026-52994: vsock/virtio: fix MSG_ZEROCOPY pinned-pages accounting (bsc#1269126). - CVE-2026-53001: netfilter: xtables: restrict several matches to inet family (bsc#1269114). - CVE-2026-53033: bpf, sockmap: Take state lock for af_unix iter (bsc#1269388). - CVE-2026-53034: bpf, sockmap: Fix af_unix null-ptr-deref in proto update (bsc#1269140). - CVE-2026-53059: dm log: fix out-of-bounds write due to region_count overflow (bsc#1269655). - CVE-2026-53076: bpf: Fix OOB in pcpu_init_value (bsc#1269695). - CVE-2026-53077: net/rds: Restrict use of RDS/IB to the initial network namespace (bsc#1269412). - CVE-2026-53089: bpf: Fix use-after-free in offloaded map/prog info fill (bsc#1269783). - CVE-2026-53091: net: account for encap headers in qdisc pkt len (bsc#1269530). - CVE-2026-53094: bpf: Fix stale offload->prog pointer after constant blinding (bsc#1269965). - CVE-2026-53096: bpf: Use RCU-safe iteration in dev_map_redirect_multi() SKB path (bsc#1269969). - CVE-2026-53110: selftests/bpf: Add ASSERT_OK_FD macro (bsc#1269985). - CVE-2026-53111: bpf: test_run: Fix the null pointer dereference issue in bpf_lwt_xmit_push_encap (bsc#1269167). - CVE-2026-53126: blk-cgroup: fix disk reference leak in blkcg_maybe_throttle_current() (bsc#1269635). - CVE-2026-53142: drm/xe/display: fix oops in suspend/shutdown without display (bsc#1269402). - CVE-2026-53154: mm/hugetlb: restore reservation on error in hugetlb folio copy paths (bsc#1269665). - CVE-2026-53163: locking/rtmutex: Skip remove_waiter() when waiter is not enqueued (bsc#1269306). - CVE-2026-53180: timers/migration: Fix livelock in tmigr_handle_remote_up() (bsc#1269888). - CVE-2026-53207: mm/memory-failure: fix hugetlb_lock AA deadlock in get_huge_page_for_hwpoison (bsc#1269590). - CVE-2026-53219: netfilter: x_tables: avoid leaking percpu counter pointers (bsc#1269686). - CVE-2026-53220: netfilter: revalidate bridge ports (bsc#1269381). - CVE-2026-53223: net: guard timestamp cmsgs to real error queue skbs (bsc#1269301). - CVE-2026-53228: ipv6: sit: reload inner IPv6 header after GSO offloads (bsc#1269256). - CVE-2026-53238: netlabel: validate unlabeled address and mask attribute lengths (bsc#1269774). - CVE-2026-53263: 6lowpan: fix off-by-one in multicast context address compression (bsc#1269647). - CVE-2026-53264: net/sched: act_api: use RCU with deferred freeing for action lifecycle (bsc#1269238). - CVE-2026-53269: netfilter: synproxy: add mutex to guard hook reference counting (bsc#1269579). - CVE-2026-53273: tee: optee: prevent use-after-free when the client exits before the supplicant (bsc#1269713). - CVE-2026-53309: ocfs2/dlm: fix off-by-one in dlm_match_regions() region comparison (bsc#1269815). - CVE-2026-53330: drm/amd/display: Fix out-of-bounds read in (bsc#1270090). - CVE-2026-53336: nvmem: layouts: onie-tlv: fix hang on unknown types (bsc#1270108). - CVE-2026-53337: net: bonding: fix NULL pointer dereference in bond_do_ioctl() (bsc#1270251). - CVE-2026-53353: hsr: Remove WARN_ONCE() in hsr_addr_is_self() (bsc#1270111). - CVE-2026-53365: vsock/virtio: fix zerocopy completion for multi-skb sends (bsc#1271365). - CVE-2026-53381: virtiofs: fix UAF on submount umount (bsc#1271830). - CVE-2026-63801: tipc: fix slab-use-after-free Read in tipc_aead_decrypt_done (bsc#1272230). - CVE-2026-63808: exfat: fix potential use-after-free in exfat_find_dir_entry() (bsc#1272260). - CVE-2026-63810: block: Avoid mounting the bdev pseudo-filesystem in userspace (bsc#1272297). - CVE-2026-63823: keys: Pin request_key_auth payload in instantiate paths (bsc#1272182). - CVE-2026-63827: apparmor: fix use-after-free in rawdata dedup loop (bsc#1272179). - CVE-2026-63828: apparmor: mediate the implicit connect of TCP fast open sendmsg (bsc#1272175). - CVE-2026-63860: RDMA/core: Prefer NLA_NUL_STRING (bsc#1272429). - CVE-2026-63865: bpf: Drop task_to_inode and inet_conn_established from lsm sleepable hooks (bsc#1272486). - CVE-2026-63868: net: garp: fix unsigned integer underflow in garp_pdu_parse_attr (bsc#1272497). - CVE-2026-63879: drm/amdgpu: fix amdgpu_hmm_range_get_pages (bsc#1272569). - CVE-2026-63881: drm/amdkfd: fix a vulnerability of integer overflow in kfd debugger (bsc#1272571). - CVE-2026-63887: scsi: target: iscsi: Bound iscsi_encode_text_output() appends to rsp_buf (bsc#1272385). - CVE-2026-63888: scsi: target: iscsi: Fix CRC overread and double-free in iscsit_handle_text_cmd() (bsc
Fix available
- Published
- Updated
Stack: system
Affected products and versions
kernel-64kb SUSE:Linux Enterprise Module for Basesystem 15 SP7
- Affected ranges
- ECOSYSTEM: < 6.4.0-150700.53.81.1
Update to 6.4.0-150700.53.81.1
kernel-default SUSE:Linux Enterprise Module for Basesystem 15 SP7
- Affected ranges
- ECOSYSTEM: < 6.4.0-150700.53.81.1
Update to 6.4.0-150700.53.81.1
kernel-default-base SUSE:Linux Enterprise Module for Basesystem 15 SP7
- Affected ranges
- ECOSYSTEM: < 6.4.0-150700.53.81.1.150700.17.45.1
Update to 6.4.0-150700.53.81.1.150700.17.45.1
kernel-source SUSE:Linux Enterprise Module for Basesystem 15 SP7
- Affected ranges
- ECOSYSTEM: < 6.4.0-150700.53.81.1
Update to 6.4.0-150700.53.81.1
kernel-zfcpdump SUSE:Linux Enterprise Module for Basesystem 15 SP7
- Affected ranges
- ECOSYSTEM: < 6.4.0-150700.53.81.1
Update to 6.4.0-150700.53.81.1
kernel-docs SUSE:Linux Enterprise Module for Development Tools 15 SP7
- Affected ranges
- ECOSYSTEM: < 6.4.0-150700.53.81.1
Update to 6.4.0-150700.53.81.1
kernel-obs-build SUSE:Linux Enterprise Module for Development Tools 15 SP7
- Affected ranges
- ECOSYSTEM: < 6.4.0-150700.53.81.1
Update to 6.4.0-150700.53.81.1
kernel-source SUSE:Linux Enterprise Module for Development Tools 15 SP7
- Affected ranges
- ECOSYSTEM: < 6.4.0-150700.53.81.1
Update to 6.4.0-150700.53.81.1
kernel-syms SUSE:Linux Enterprise Module for Development Tools 15 SP7
- Affected ranges
- ECOSYSTEM: < 6.4.0-150700.53.81.1
Update to 6.4.0-150700.53.81.1
kernel-default SUSE:Linux Enterprise Module for Legacy 15 SP7
- Affected ranges
- ECOSYSTEM: < 6.4.0-150700.53.81.1
Update to 6.4.0-150700.53.81.1
kernel-default SUSE:Linux Enterprise Live Patching 15 SP7
- Affected ranges
- ECOSYSTEM: < 6.4.0-150700.53.81.1
Update to 6.4.0-150700.53.81.1
kernel-livepatch-sle15-sp7_update_21 SUSE:Linux Enterprise Live Patching 15 SP7
- Affected ranges
- ECOSYSTEM: < 1-150700.15.3.1
Update to 1-150700.15.3.1
kernel-azure SUSE:Linux Enterprise Module for Public Cloud 15 SP7
- Affected ranges
- ECOSYSTEM: < 6.4.0-150700.53.81.1
Update to 6.4.0-150700.53.81.1
kernel-default SUSE:Linux Enterprise High Availability Extension 15 SP7
- Affected ranges
- ECOSYSTEM: < 6.4.0-150700.53.81.1
Update to 6.4.0-150700.53.81.1
kernel-default SUSE:Linux Enterprise Workstation Extension 15 SP7
- Affected ranges
- ECOSYSTEM: < 6.4.0-150700.53.81.1
Update to 6.4.0-150700.53.81.1
Original sources
- https://www.suse.com/support/update/announcement/2026/suse-su-20264254-1/
- https://bugzilla.suse.com/1230238
- https://bugzilla.suse.com/1235944
- https://bugzilla.suse.com/1236344
- https://bugzilla.suse.com/1240957
- https://bugzilla.suse.com/1241363
- https://bugzilla.suse.com/1247180
- https://bugzilla.suse.com/1247455
- https://bugzilla.suse.com/1249104
- https://bugzilla.suse.com/1250748
- https://bugzilla.suse.com/1251130
- https://bugzilla.suse.com/1252682
- https://bugzilla.suse.com/1253454
- https://bugzilla.suse.com/1254306
- https://bugzilla.suse.com/1255225
- https://bugzilla.suse.com/1255250
- https://bugzilla.suse.com/1256629
- https://bugzilla.suse.com/1256708
- https://bugzilla.suse.com/1257154
- https://bugzilla.suse.com/1258430
- https://bugzilla.suse.com/1258472
- https://bugzilla.suse.com/1258517
- https://bugzilla.suse.com/1260522
- https://osv.dev/vulnerability/SUSE-SU-2026:4254-1