Issued at: 2026-11-03
Updated at: 2026-11-03
Advisory content derived from Red Hat RHSA-2026:93413, © 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: Kernel: Denial of Service in network socket error handling (CVE-2026-22977)
* kernel: x86/CPU/AMD: Prevent improper isolation of shared resources in Zen2's op cache (CVE-2026-46174)
* kernel: i2c: stub: Reject I2C block transfers with invalid length (CVE-2026-64191)
* kernel: Linux kernel: PPP over L2TP Use-After-Free vulnerability (CVE-2026-68398)
* kernel: mptcp: pm: userspace: fix use-after-free in get_local_id (CVE-2026-68169)
* kernel: tipc: require net admin for TIPCv2 netlink mutators (CVE-2026-74283)
* 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: KVM: nVMX: Always flush vpid02 on first use (CVE-2026-89932)
* 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: KEYS: encrypted: fix integer overflow of datablob_len (CVE-2026-98222)
* 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: nvmet-auth: fix out-of-bounds write in nvmet_auth_challenge() (CVE-2026-98725)
Bug Fix(es) and Enhancement(s):
* ipv4: ip_gre: make ipgre_header() robust (rhel-10.2.z) (JIRA:Rocky Linux-270702)
* ip6_gre: make ip6gre_header() robust (rhel-10.2.z) (JIRA:Rocky Linux-270721)
* Rocky Linux is missing support for conntrack zone filtering in dump/delete requests (10.4) [rhel-10.2.z] (JIRA:Rocky Linux-291348)
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.