Security update for the Linux Kernel (Live Patch 17 for SUSE Linux Enterprise 15 SP7)
This update for the SUSE Linux Enterprise Kernel 6.4.0-150700.53.63 fixes various security issues:
The following security issues were fixed:
- CVE-2026-53360: KVM: SEV: Require in-GHCB scratch area if GHCB v2+ is in use (bsc#1270303).
- CVE-2026-64423: ipv4: igmp: remove multicast group from hash table on device destruction (bsc#1275458).
- CVE-2026-64561: KVM: x86: Check for invalid/obsolete root *after* making MMU pages available (Zapscape) (bsc#1273232).
- CVE-2026-64564: sctp: don't free the ASCONF's own transport in DEL-IP processing (SCTPhantom) (bsc#1274074).
- CVE-2026-68138: net/sched: serialize qdisc_rtab_list against concurrent
Security update for the Linux Kernel (Live Patch 17 for SUSE Linux Enterprise 15 SP7)
This update for the SUSE Linux Enterprise Kernel 6.4.0-150700.53.63 fixes various security issues:
The following security issues were fixed:
- CVE-2025-40204,CVE-2026-53224,CVE-2026-53246: sctp: validate cached peer INIT chunk length in COOKIE_ECHO processing
(bsc#1253437 bsc#1270023 bsc#1270024).
- CVE-2026-46242: eventpoll: fix ep_remove struct eventpoll / struct file UAF (bsc#1270300).
- CVE-2026-46319: net/sched: act_ct: Only release RCU read lock after ct_ft (bsc#1268281).
- CVE-2026-52923: ipc: limit next_id allocation to the valid ID range (bsc#1269034).
- CVE-2026-52956: libceph: Fix potential out-of-bounds access in __ceph_x_dec
Security update for the Linux Kernel (Live Patch 17 for SUSE Linux Enterprise 15 SP7)
This update for the SUSE Linux Enterprise Kernel 6.4.0-150700.53.63 fixes various security issues:
The following security issues were fixed:
- CVE-2026-46120: ip6_gre: Use cached t->net in ip6erspan_changelink() (bsc#1267893).
- CVE-2026-46173: exit: prevent preemption of oopsing TASK_DEAD task (bsc#1267723).
- CVE-2026-46227: sctp: revalidate list cursor after sctp_sendmsg_to_asoc() in SCTP_SENDALL (bsc#1267698).
- CVE-2026-52909: ip6_vti: set netns_immutable on the fallback device (bsc#1268662).
- CVE-2026-52943: net: skbuff: fix missing zerocopy reference in pskb_carve helpers (bsc#1269023).
- CVE-2026-53359: KVM: x86: Fix shadow paging
The SUSE Linux Enterprise 15 SP7 kernel was updated to receive various security bugfixes.
The following security bugs were fixed:
- CVE-2025-10263: arm64: errata: Mitigate TLBI errata on various Arm CPUs (bsc#1266290).
- CVE-2025-68822: Input: alps - fix use-after-free bugs caused by dev3_register_work (bsc#1256668).
- CVE-2026-23392: netfilter: nf_tables: release flowtable after rcu grace period on error (bsc#1260531).
- CVE-2026-31414: netfilter: nf_conntrack_expect: use expect->helper (bsc#1262085).
- CVE-2026-31429: net: skb: fix cross-cache free of KFENCE-allocated skb head (bsc#1262392).
- CVE-2026-31452: ext4: convert inline data t