SUSE-SU-2026:2238-1
SUSE-SU-2026:2238-1 · 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-2023-20585: x86/CPU: Fix FPDSS on Zen1 (bsc#1243603). - CVE-2025-54518: x86/CPU/AMD: Prevent improper isolation of shared resources in Zen2's op cache (bsc#1264013). - CVE-2025-68310: s390/pci: Use pci_uevent_ers() in PCI recovery (bsc#1255160). - CVE-2025-71183: btrfs: always detect conflicting inodes when logging inode refs (bsc#1257631). - CVE-2026-23168: flex_proportions: make fprop_new_period() hardirq safe (bsc#1258826). - CVE-2026-23239: espintcp: Fix race condition in espintcp_close() (bsc#1259485). - CVE-2026-23240: tls: Fix race condition in tls_sw_cancel_work_tx() (bsc#1259484). - CVE-2026-23245: net/sched: act_gate: snapshot parameters with RCU on replace (bsc#1259799). - CVE-2026-23262: gve: Fix stats report corruption on queue count change (bsc#1259870). - CVE-2026-23271: perf: Fix __perf_event_overflow() vs perf_remove_from_context() race (bsc#1260018). - CVE-2026-23276: net: move dev_xmit_recursion() helpers to net/core/dev.h (bsc#1260012). - CVE-2026-23300: net: ipv6: fix panic when IPv4 route references loopback IPv6 nexthop (bsc#1260538). - CVE-2026-23304: ipv6: fix NULL pointer deref in ip6_rt_get_dev_rcu() (bsc#1260544). - CVE-2026-23306: scsi: pm8001: Fix use-after-free in pm8001_queue_command() (bsc#1260501). - CVE-2026-23313: i40e: Fix preempt count leak in napi poll tracepoint (bsc#1260555). - CVE-2026-23321: mptcp: pm: in-kernel: always mark signal+subflow endp as used (bsc#1260505). - CVE-2026-23335: RDMA/irdma: Fix kernel stack leak in irdma_create_user_ah() (bsc#1260550). - CVE-2026-23340: net: sched: avoid qdisc_reset_all_tx_gt() vs dequeue race for lockless qdiscs (bsc#1260523). - CVE-2026-23343: xdp: produce a warning when calculated tailroom is negative (bsc#1260527). - CVE-2026-23346: mm/ioremap: define generic_ioremap_prot() and generic_iounmap() (bsc#1260529). - CVE-2026-23351: netfilter: nft_set_pipapo: split gc into unlink and reclaim phase (bsc#1260526). - CVE-2026-23354: x86/fred: Correct speculative safety in fred_extint() (bsc#1260801). - CVE-2026-23368: net: phy: register phy led_triggers during probe to avoid AB-BA deadlock (bsc#1260530). - CVE-2026-23374: blktrace: fix __this_cpu_read/write in preemptible context (bsc#1260811). - CVE-2026-23378: net/sched: act_ife: Fix metalist update behavior (bsc#1260546). - CVE-2026-23383: bpf, arm64: Force 8-byte alignment for JIT buffer to prevent atomic tearing (bsc#1260497). - CVE-2026-23391: netfilter: xt_CT: drop pending enqueued packets on template removal (bsc#1260566). - CVE-2026-23392: netfilter: nf_tables: release flowtable after rcu grace period on error (bsc#1260531). - CVE-2026-23393: bridge: cfm: Fix race condition in peer_mep deletion (bsc#1260522). - CVE-2026-23395: Bluetooth: L2CAP: Fix accepting multiple L2CAP_ECRED_CONN_REQ (bsc#1260580). - CVE-2026-23397: nfnetlink_osf: validate individual option lengths in fingerprints (bsc#1260728). - CVE-2026-23399: nf_tables: nft_dynset: fix possible stateful expression memleak in error path (bsc#1261020). - CVE-2026-23412: netfilter: bpf: defer hook memory release until rcu readers are done (bsc#1261412). - CVE-2026-23419: net/rds: Fix circular locking dependency in rds_tcp_tune (bsc#1261507). - CVE-2026-23440: net/mlx5e: Fix race condition during IPSec ESN update (bsc#1261641). - CVE-2026-23441: net/mlx5e: Prevent concurrent access to IPSec ASO context (bsc#1261768). - CVE-2026-23442: ipv6: add NULL checks for idev in SRv6 paths (bsc#1261581). - CVE-2026-23445: igc: fix page fault in XDP TX timestamps handling (bsc#1261702). - CVE-2026-23449: net/sched: teql: Fix double-free in teql_master_xmit (bsc#1261779). - CVE-2026-23450: net/smc: fix NULL dereference and UAF in smc_tcp_syn_recv_sock() (bsc#1261584). - CVE-2026-23455: netfilter: nf_conntrack_h323: check for zero length in DecodeQ931() (bsc#1261687). - CVE-2026-23456: netfilter: nf_conntrack_h323: fix OOB read in decode_int() CONS case (bsc#1261703). - CVE-2026-23457: netfilter: nf_conntrack_sip: fix Content-Length u32 truncation in sip_help_tcp() (bsc#1261686). - CVE-2026-23458: netfilter: ctnetlink: fix use-after-free in ctnetlink_dump_exp_ct() (bsc#1261781). - CVE-2026-23461: Bluetooth: L2CAP: Fix use-after-free in l2cap_unregister_user (bsc#1261707). - CVE-2026-23462: Bluetooth: HIDP: Fix possible UAF (bsc#1261710). - CVE-2026-23468: drm/amdgpu: Limit BO list entry count to prevent resource exhaustion (bsc#1261692). - CVE-2026-23472: serial: core: fix infinite loop in handle_tx() for PORT_UNKNOWN (bsc#1261636). - CVE-2026-23473: io_uring/poll: fix multishot recv missing EOF on wakeup race (bsc#1261694). - CVE-2026-31395: bnxt_en: fix OOB access in DBG_BUF_PRODUCER async event handler (bsc#1261786). - CVE-2026-31400: sunrpc: fix cache_request leak in cache_release (bsc#1261645). - CVE-2026-31402: nfsd: fix heap overflow in NFSv4.0 LOCK replay cache (bsc#1261638). - CVE-2026-31403: NFSD: Hold net reference for the lifetime of /proc/fs/nfs/exports fd (bsc#1261796). - CVE-2026-31404: xfs: avoid dereferencing log items after push callbacks (bsc#1261628). - CVE-2026-31407: netfilter: conntrack: add missing netlink policy validations (bsc#1261632). - CVE-2026-31411: net: atm: fix crash due to unvalidated vcc pointer in sigd_send() (bsc#1261752). - CVE-2026-31415: ipv6: avoid overflows in ip6_datagram_send_ctl() (bsc#1262099). - CVE-2026-31416: netfilter: nfnetlink_log: account for netlink header size (bsc#1262100). - CVE-2026-31420: bridge: mrp: reject zero test interval to avoid OOM panic (bsc#1262055). - CVE-2026-31421: net/sched: cls_fw: fix NULL pointer dereference on shared blocks (bsc#1262061). - CVE-2026-31422: net/sched: cls_flow: fix NULL pointer dereference on shared blocks (bsc#1262054). - CVE-2026-31423: net/sched: sch_hfsc: fix divide-by-zero in rtsc_min() (bsc#1262063). - CVE-2026-31424: netfilter: x_tables: restrict xt_check_match/xt_check_target extensions for NFPROTO_ARP (bsc#1262053). - CVE-2026-31425: rds: ib: reject FRMR registration before IB connection is established (bsc#1262074). - CVE-2026-31427: netfilter: nf_conntrack_sip: fix use of uninitialized rtp_addr in process_sdp (bsc#1262086). - CVE-2026-31428: netfilter: nfnetlink_log: fix uninitialized padding leak in NFULA_PAYLOAD (bsc#1262087). - CVE-2026-31436: dmaengine: idxd: fix possible wrong descriptor completion in llist_abort_desc() (bsc#1262602). - CVE-2026-31449: ext4: validate p_idx bounds in ext4_ext_correct_indexes (bsc#1262616). - CVE-2026-31470: virt: tdx-guest: Fix handling of host controlled 'quote' buffer length (bsc#1262665). - CVE-2026-31488: drm/amd/display: Do not skip unrelated mode changes in DSC validation (bsc#1262746). - CVE-2026-31494: net: cadence: macb: Synchronize stats calculations (bsc#1262671). - CVE-2026-31496: netfilter: nf_conntrack_expect: skip expectations in other netns via proc (bsc#1262673). - CVE-2026-31504: net: fix fanout UAF in packet_release() via NETDEV_UP race (bsc#1263085). - CVE-2026-31505: iavf: fix out-of-bounds writes in iavf_get_ethtool_stats() (bsc#1263093). - CVE-2026-31507: net/smc: fix double-free of smc_spd_priv when tee() duplicates splice pipe buffer (bsc#1263095). - CVE-2026-31512: Bluetooth: L2CAP: Validate PDU length before reading SDU length in l2cap_ecred_data_rcv() (bsc#1262734). - CVE-2026-31515: af_key: validate families in pfkey_send_migrate() (bsc#1262752). - CVE-2026-31519: btrfs: set BTRFS_ROOT_ORPHAN_CLEANUP during subvol create (bsc#1263012). - CVE-2026-31525: bpf: Fix undefined behavior in interpreter sdiv/smod for INT_MIN (bsc#1262725). - CVE-2026-31528: perf: Make sure to use pmu_ctx->pmu for groups (bsc#1263001). - CVE-2026-31533: net/tls: fix use-after-free in -EBUSY error path of tls_do_encryption (bsc#1262758). - CVE-2026-31547: drm/xe: Fix missing runtime PM reference in ccs_mode_store (bsc#1263018). - CVE-2026-31550: pmdomain: bcm: bcm2835-power: Increase ASB control
Fix available
- Published
- Updated
Stack: system
Affected products and versions
kernel-64kb SUSE:Linux Enterprise Module for Basesystem 15 SP7
- Affected ranges
- ECOSYSTEM: < 6.4.0-150700.53.55.1
Update to 6.4.0-150700.53.55.1
kernel-default SUSE:Linux Enterprise Module for Basesystem 15 SP7
- Affected ranges
- ECOSYSTEM: < 6.4.0-150700.53.55.1
Update to 6.4.0-150700.53.55.1
kernel-default-base SUSE:Linux Enterprise Module for Basesystem 15 SP7
- Affected ranges
- ECOSYSTEM: < 6.4.0-150700.53.55.1.150700.17.33.1
Update to 6.4.0-150700.53.55.1.150700.17.33.1
kernel-source SUSE:Linux Enterprise Module for Basesystem 15 SP7
- Affected ranges
- ECOSYSTEM: < 6.4.0-150700.53.55.1
Update to 6.4.0-150700.53.55.1
kernel-zfcpdump SUSE:Linux Enterprise Module for Basesystem 15 SP7
- Affected ranges
- ECOSYSTEM: < 6.4.0-150700.53.55.1
Update to 6.4.0-150700.53.55.1
kernel-docs SUSE:Linux Enterprise Module for Development Tools 15 SP7
- Affected ranges
- ECOSYSTEM: < 6.4.0-150700.53.55.1
Update to 6.4.0-150700.53.55.1
kernel-obs-build SUSE:Linux Enterprise Module for Development Tools 15 SP7
- Affected ranges
- ECOSYSTEM: < 6.4.0-150700.53.55.1
Update to 6.4.0-150700.53.55.1
kernel-source SUSE:Linux Enterprise Module for Development Tools 15 SP7
- Affected ranges
- ECOSYSTEM: < 6.4.0-150700.53.55.1
Update to 6.4.0-150700.53.55.1
kernel-syms SUSE:Linux Enterprise Module for Development Tools 15 SP7
- Affected ranges
- ECOSYSTEM: < 6.4.0-150700.53.55.1
Update to 6.4.0-150700.53.55.1
kernel-default SUSE:Linux Enterprise Module for Legacy 15 SP7
- Affected ranges
- ECOSYSTEM: < 6.4.0-150700.53.55.1
Update to 6.4.0-150700.53.55.1
kernel-default SUSE:Linux Enterprise Live Patching 15 SP7
- Affected ranges
- ECOSYSTEM: < 6.4.0-150700.53.55.1
Update to 6.4.0-150700.53.55.1
kernel-livepatch-sle15-sp7_update_15 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: < 6.4.0-150700.53.55.1
Update to 6.4.0-150700.53.55.1
kernel-default SUSE:Linux Enterprise High Availability Extension 15 SP7
- Affected ranges
- ECOSYSTEM: < 6.4.0-150700.53.55.1
Update to 6.4.0-150700.53.55.1
kernel-default SUSE:Linux Enterprise Workstation Extension 15 SP7
- Affected ranges
- ECOSYSTEM: < 6.4.0-150700.53.55.1
Update to 6.4.0-150700.53.55.1
Original sources
- https://www.suse.com/support/update/announcement/2026/suse-su-20262238-1/
- https://bugzilla.suse.com/1215199
- https://bugzilla.suse.com/1225897
- https://bugzilla.suse.com/1234634
- https://bugzilla.suse.com/1237452
- https://bugzilla.suse.com/1241166
- https://bugzilla.suse.com/1243603
- https://bugzilla.suse.com/1248754
- https://bugzilla.suse.com/1249104
- https://bugzilla.suse.com/1253122
- https://bugzilla.suse.com/1253754
- https://bugzilla.suse.com/1254518
- https://bugzilla.suse.com/1255160
- https://bugzilla.suse.com/1255752
- https://bugzilla.suse.com/1256863
- https://bugzilla.suse.com/1257183
- https://bugzilla.suse.com/1257631
- https://bugzilla.suse.com/1258518
- https://bugzilla.suse.com/1258718
- https://bugzilla.suse.com/1258826
- https://bugzilla.suse.com/1258849
- https://bugzilla.suse.com/1258850
- https://bugzilla.suse.com/1258854
- https://osv.dev/vulnerability/SUSE-SU-2026:2238-1