RLSA-2026:93412

Dashboard / Vulnerabilities / RLSA-2026:93412

RLSA-2026:93412

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: 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.

References: https://errata.rockylinux.org/RLSA-2026:93412, https://bugzilla.redhat.com/show_bug.cgi?id=2492108, https://bugzilla.redhat.com/show_bug.cgi?id=2492733, https://bugzilla.redhat.com/show_bug.cgi?id=2492853, https://bugzilla.redhat.com/show_bug.cgi?id=2507222, https://bugzilla.redhat.com/show_bug.cgi?id=2513435, https://bugzilla.redhat.com/show_bug.cgi?id=2516579, https://bugzilla.redhat.com/show_bug.cgi?id=2516935, https://bugzilla.redhat.com/show_bug.cgi?id=2516970, https://bugzilla.redhat.com/show_bug.cgi?id=2519475, https://bugzilla.redhat.com/show_bug.cgi?id=2524438, 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=2546487, https://bugzilla.redhat.com/show_bug.cgi?id=2553390, https://bugzilla.redhat.com/show_bug.cgi?id=2554835, https://bugzilla.redhat.com/show_bug.cgi?id=2555068, https://access.redhat.com/errata/RHSA-2026:93412