SUSE-SU-2026:4639-1

SUSE-SU-2026:4639-1 · 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 11 SP4 kernel was updated to fix various security issues: The following security issues were fixed: - CVE-2026-64422: net: ipv4: bound TCP reordering sysctl writes and MTU probe sizes (bsc#1273290). - CVE-2026-64580: xfrm6: clear dst.dev on error to avoid double netdev_put in xfrm6_fill_dst() (bsc#1274037). - CVE-2026-68376: sctp: patch over auth_hmacs copy overflow (bsc#1274836). - CVE-2026-72083: target: fix double unmap data sg in core_scsi3_emulate_pro_register_and_move() (bsc#1275535). - CVE-2026-72322: ipv6: mcast: Fix potential UAF in MLD delayed work (bsc#1275972). - CVE-2026-72323: ipv4: igmp: Fix potential UAF in igmp_gq_start_timer() (bsc#1275985). - CVE-2026-72348: netfilter: ip6tables: mark malformed IPv6 extension headers for hotdrop (bsc#1276007). - CVE-2026-72398: sctp: add INIT verification after cookie unpacking (bsc#1276381). - CVE-2026-74388: ALSA: seq: oss: Fix UAF at handling events with embedded SysEx data (bsc#1278253). - CVE-2026-74556: scsi: libiscsi_tcp: Bound SCSI Response data segment to the connection buffer (bsc#1275696). - CVE-2026-74588: sctp: keep chunk->transport in step with the list it is queued on (bsc#1277766). - CVE-2026-74597: ip6_tunnel: clear skb2->cb in ip6ip6_err() (bsc#1277493). - CVE-2026-74630: ipv6: prevent in6_dev_get() from resurrecting inet6_dev (bsc#1278191). - CVE-2026-74641: ALSA: usx2y: bound the hwdep mmap fault offset (bsc#1278310). - CVE-2026-74743: macvlan: inherit needed_headroom and needed_tailroom from lowerdev (bsc#1277908). - CVE-2026-74752: sctp: validate cookie AUTH state before use (bsc#1278315). - CVE-2026-80785: fbdev: serialize mode sysfs access with lock_fb_info() (bsc#1279619). - CVE-2026-89479: sctp: stop processing a packet once its association is deleted (bsc#1280786). - CVE-2026-90088: Bluetooth: RFCOMM: Validate MTU in rfcomm_apply_pn() to prevent infinite loop (bsc#1281397). - CVE-2026-90104: NFSv4.1: zero referring call lists before decoding (bsc#1281546). The following non security issue was fixed: - Disable BATMAN in supported.conf - Disable CONFIG_BATMAN_ADV (jsc#PED-16892) - Disable CONFIG_CAN (jsc#PED-17000)

Fix available

Published

2026-10-13T11:51:49Z

Updated

2026-10-14T11:15:08.088415691Z

Stack: system

Check your server →