RLSA-2026:26427
RLSA-2026:26427 · Important: kernel security update
This page contains facts from public vulnerability sources. Check the original advisory before updating.
The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: mptcp: fix slab-use-after-free in __inet_lookup_established (CVE-2026-31669) * kernel: xen/privcmd: fix double free via VMA splitting (CVE-2026-31787) * kernel: Buffer overflow in drivers/xen/sys-hypervisor.c (CVE-2026-31786) * kernel: wifi: brcmfmac: validate bsscfg indices in IF events (CVE-2026-43110) * kernel: netfilter: flowtable: strictly check for maximum number of actions (CVE-2026-43329) * kernel: Bluetooth: hci_event: fix potential UAF in SSP passkey handlers (CVE-2026-46056) * kernel: wifi: mac80211: drop stray 'static' from fast-RX rx_result (CVE-2026-46152) * kernel: wifi: mac80211: remove station if connection prep fails (CVE-2026-46125) 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.
CVSS 7.5 · High · Fix available
- Published
- Updated
Stack: system
Affected products and versions
kernel Rocky Linux:8
- Affected ranges
- ECOSYSTEM: < 0:4.18.0-553.134.1.el8_10
Update to 0:4.18.0-553.134.1.el8_10
Original sources
- https://errata.rockylinux.org/RLSA-2026:26427
- https://bugzilla.redhat.com/show_bug.cgi?id=2461503
- https://bugzilla.redhat.com/show_bug.cgi?id=2464092
- https://bugzilla.redhat.com/show_bug.cgi?id=2464096
- https://bugzilla.redhat.com/show_bug.cgi?id=2467014
- https://bugzilla.redhat.com/show_bug.cgi?id=2468124
- https://bugzilla.redhat.com/show_bug.cgi?id=2482181
- https://bugzilla.redhat.com/show_bug.cgi?id=2482563
- https://bugzilla.redhat.com/show_bug.cgi?id=2482608
- https://osv.dev/vulnerability/RLSA-2026:26427