Issued at: 2026-09-25
Updated at: 2026-09-25
Advisory content derived from Red Hat RHSA-2026:71232, © Red Hat, Inc., used under CC BY 4.0, with modifications.
Synopsis
Important: kernel security, bug fix, and enhancement update
Description
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: af_unix: Drop all SCM attributes for SOCKMAP (CVE-2026-53005)
* 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: nvmet-tcp: check INIT_FAILED before nvmet_req_uninit in digest error path (CVE-2026-64534)
* 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: ASoC: SOF: ipc3-control: Validate size in snd_sof_update_control (CVE-2026-72261)
* 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):
* sctp: prevent peer transport count overflow [rhel-9.8.z] (JIRA:Rocky Linux-216251)
* netfilter: nftables CVE and memory safety backports for 9.8 (JIRA:Rocky Linux-236634)
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.