RLSA-2026:93413

Dashboard / Vulnerabilities / RLSA-2026:93413

RLSA-2026:93413

Summary: Important: kernel security, bug fix, and enhancement update

Details: 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.

References: https://errata.rockylinux.org/RLSA-2026:93413, https://bugzilla.redhat.com/show_bug.cgi?id=2431602, https://bugzilla.redhat.com/show_bug.cgi?id=2482549, https://bugzilla.redhat.com/show_bug.cgi?id=2502872, https://bugzilla.redhat.com/show_bug.cgi?id=2513188, https://bugzilla.redhat.com/show_bug.cgi?id=2513435, https://bugzilla.redhat.com/show_bug.cgi?id=2516935, https://bugzilla.redhat.com/show_bug.cgi?id=2524438, https://bugzilla.redhat.com/show_bug.cgi?id=2535212, https://bugzilla.redhat.com/show_bug.cgi?id=2535227, https://bugzilla.redhat.com/show_bug.cgi?id=2540396, https://bugzilla.redhat.com/show_bug.cgi?id=2540555, https://bugzilla.redhat.com/show_bug.cgi?id=2546385, https://bugzilla.redhat.com/show_bug.cgi?id=2546487, https://bugzilla.redhat.com/show_bug.cgi?id=2553390, https://bugzilla.redhat.com/show_bug.cgi?id=2555068, https://access.redhat.com/errata/RHSA-2026:93413