ALSA-2026:71233

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

• kernel: block: zero non-PI portion of auto integrity buffer (CVE-2026-23007)
• kernel: netfilter: ebtables SNAT target writes to shared memory pages during ARP hardware address rewrite (CVE-2026-53266)
• kernel: mac802154: llsec: add skb_cow_data() before in-place crypto (CVE-2026-63831)
• kernel: blk-cgroup: fix UAF in __blkcg_rstat_flush() (CVE-2026-63802)
• kernel: block: don't overwrite bip_vcnt in bio_integrity_copy_user() (CVE-2026-64053)
• kernel: smb: client: fix double-free in SMB2_flush() replay (CVE-2026-64383)
• kernel: sctp: don't free the ASCONF's own transport in DEL-IP processing (CVE-2026-64564)
• kernel: ALSA: timer: drain a slave's callback before its master detaches it (CVE-2026-68201)
• kernel: selinux: check connect-related permissions on TCP Fast Open (CVE-2026-72243)
• kernel: netfilter: nf_conntrack_sip: widen NAT rewrite delta to s32 in sip_help_tcp() (CVE-2026-74569)
• kernel: xfrm: ah6: validate routing header segments_left (CVE-2026-80844)
• kernel: net: tun: bound receive headroom (CVE-2026-81000)
• kernel: scsi: qla2xxx: Bound rsp_info_len to avoid OOB sense-data read (CVE-2026-89846)

Bug Fix(es) and Enhancement(s):

• kernel module .ko ELF files with non-zero sh_addr section addresses [almalinux-10.2.z] (JIRA:AlmaLinux-159298)
• sctp: prevent peer transport count overflow [almalinux-10.2.z] (JIRA:AlmaLinux-216247)
• [AlmaLinux 10] bnxt_en: RX queue restart failed: err=-95 [almalinux-10.2.z] (JIRA:AlmaLinux-247283)
• RHIVOS - S32G: backport missing fixes to 10.2 (JIRA:AlmaLinux-259788)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.