Red Hat Security Advisory

RHSA-2026:77498

kernel security update

Released 2026-10-08 · Red Hat rating Important · View on Red Hat →

Fixed in

Red Hat Enterprise Linux BaseOS (v. 8) bpftool-4.18.0-553.172.1.el8_10, kernel-4.18.0-553.172.1.el8_10, kernel-abi-stablelists-4.18.0-553.172.1.el8_10 +19
Red Hat Enterprise Linux CRB (v. 8) kernel-tools-libs-devel-4.18.0-553.172.1.el8_10

Fixes 3 records

TI-2026-60573 CVE-2026-89530 · GHSA-xp7j-g6r9-v9rw

svcrdma: Reject inline replies that overflow the pull-up buffer

MEDIUM 49

In the Linux kernel, the following vulnerability has been resolved: svcrdma: Reject inline replies that overflow the pull-up buffer An RPC-over-RDMA client can request a reply, such as an NFS READ payload, without provid…

CVSS 3.1CRITICAL 9.8 Network No auth No interaction EPSS 0.00491 Published 2026-09-11 Partial fix · 4.20, 4.21 +6

TI-2026-45680 CVE-2026-64115 · GHSA-c2c8-f8x2-chfh

vsock/vmci: fix UAF when peer resets connection during handshake

LOW 39

In the Linux kernel, the following vulnerability has been resolved: vsock/vmci: fix UAF when peer resets connection during handshake vmci_transport_recv_connecting_server() returned err = 0 for a peer RST in its default…

CVSS 3.1HIGH 8.8 Local Low privileges No interaction EPSS 0.00135 Published 2026-07-19 Partial fix · 5.10.258, 5.15.209 +6 CWE-416

TI-2026-52365 CVE-2026-74582 · GHSA-6g47-hqw2-hv2r

packet: use consistent hard_header_len in non-ring send paths

LOW 35

In the Linux kernel, the following vulnerability has been resolved: packet: use consistent hard_header_len in non-ring send paths packet_snd() reads dev->hard_header_len multiple times while allocating and constructing a…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.0012 Published 2026-08-21 Partial fix · 4.5, 4.10 +10