Issued at: 2026-11-03
Updated at: 2026-11-03
Advisory content derived from Red Hat RHSA-2026:93412, © 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: sctp: stream: fully roll back denied add-stream state (CVE-2026-52929)
* kernel: ipv6: sit: reload inner IPv6 header after GSO offloads (CVE-2026-53228)
* kernel: ipvs: clear the svc scheduler ptr early on edit (CVE-2026-53270)
* kernel: spi: fsl-lpspi: terminate the RX channel on TX prepare failure path (CVE-2026-64303)
* kernel: mptcp: pm: userspace: fix use-after-free in get_local_id (CVE-2026-68169)
* kernel: scsi: target: core: Fix iSCSI ISID use-after-free in REGISTER AND MOVE (CVE-2026-72083)
* kernel: tipc: require net admin for TIPCv2 netlink mutators (CVE-2026-74283)
* kernel: Bluetooth: mgmt: fix UAF in pair command cancellation (CVE-2026-74510)
* kernel: packet: use consistent hard_header_len in non-ring send paths (CVE-2026-74582)
* kernel: mptcp: options: reset DSS fields in case of unexpected size (CVE-2026-80586)
* kernel: entry: Fix seccomp bypass after ptrace with TSYNC (CVE-2026-89603)
* kernel: scsi: target: iscsi: Reserve a terminator byte for the login payload (CVE-2026-90011)
* kernel: virtio-fs: avoid double-free on failed queue setup (CVE-2026-93827)
* kernel: smb: client: bound dirent name against end of SMB response in cifs_filldir (CVE-2026-93787)
* kernel: xfrm: hold net_device reference under RCU in bundle creation (CVE-2026-98364)
* kernel: ipv4: free inet_opt and ireq_opt after an RCU grace period (CVE-2026-98432)
* kernel: KVM: arm64: Transfer the hyp stack pages out of the host stage-2 (CVE-2026-98466)
* kernel: nvmet-auth: fix out-of-bounds write in nvmet_auth_challenge() (CVE-2026-98725)
* kernel: ZDI-CAN-33367: Linux Kernel skbuff skb_zerocopy Improper Ownership Management Local Privilege Escalation Vulnerability ()
Bug Fix(es) and Enhancement(s):
* kernel panic in percpu_counter_add_batch() via submit_bio_noacct() due to NULL pointer (JIRA:Rocky Linux-250378)
* ipv4: ip_gre: make ipgre_header() robust (rhel-9.8.z) (JIRA:Rocky Linux-271127)
* ip6_gre: make ip6gre_header() robust (rhel-9.8.z) (JIRA:Rocky Linux-271130)
* Backport "sched: The newidle balance regression" series to rhel 9.8 [rhel-9.8.z] (JIRA:Rocky Linux-288067)
* Rocky Linux is missing support for conntrack zone filtering in dump/delete requests (9.10) [rhel-9.8.z] (JIRA:Rocky Linux-291352)
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.