Red Hat Security Advisory

RHSA-2026:36956

kernel security update

Released 2026-07-09 · Red Hat rating Important · View on Red Hat →

Fixed in

Red Hat Enterprise Linux AppStream (v. 10) kernel-64k-debug-devel-6.12.0-211.32.1.el10_2, kernel-64k-debug-devel-matched-6.12.0-211.32.1.el10_2, kernel-64k-devel-6.12.0-211.32.1.el10_2 +12
Red Hat Enterprise Linux BaseOS (v. 10) kernel-6.12.0-211.32.1.el10_2, kernel-64k-6.12.0-211.32.1.el10_2, kernel-64k-core-6.12.0-211.32.1.el10_2 +29
Red Hat Enterprise Linux CodeReady Linux Builder (v. 10) kernel-tools-libs-devel-6.12.0-211.32.1.el10_2, libperf-6.12.0-211.32.1.el10_2
Red Hat Enterprise Linux Real Time (v. 10) kernel-rt-6.12.0-211.32.1.el10_2, kernel-rt-64k-6.12.0-211.32.1.el10_2, kernel-rt-64k-core-6.12.0-211.32.1.el10_2 +21
Red Hat Enterprise Linux Real Time for NFV (v. 10) kernel-rt-6.12.0-211.32.1.el10_2, kernel-rt-core-6.12.0-211.32.1.el10_2, kernel-rt-debug-6.12.0-211.32.1.el10_2 +9

Fixes 4 records

TI-2026-38445 CVE-2026-53359 · GHSA-wpw8-53h7-xqcq

KVM: x86: Fix shadow paging use-after-free due to unexpected role

HIGH 73

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Fix shadow paging use-after-free due to unexpected role Commit 0cb2af2ea66ad ("KVM: x86: Fix shadow paging use-after-free due to unexpected GF…

CVSS 3.1HIGH 8.8 Local Low privileges No interaction EPSS 0.01368 Published 2026-07-04 Partial fix · 5.15.222, 6.1.177 +5 CWE-416

TI-2026-33837 CVE-2026-46113 · GHSA-gcf3-9g28-gv44

KVM: x86: Fix shadow paging use-after-free due to unexpected GFN

LOW 39

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Fix shadow paging use-after-free due to unexpected GFN The shadow MMU computes GFNs for direct shadow pages using sp->gfn plus the SPTE index.

CVSS 3.1HIGH 8.8 Local Low privileges No interaction EPSS 0.00195 Published 2026-05-28 Partial fix · 5.15.222, 6.1.175 +5 CWE-416

TI-2026-33949 CVE-2026-46227 · GHSA-rg55-jvw9-p7m7

sctp: revalidate list cursor after sctp_sendmsg_to_asoc() in SCTP_SENDALL

LOW 35

In the Linux kernel, the following vulnerability has been resolved: sctp: revalidate list cursor after sctp_sendmsg_to_asoc() in SCTP_SENDALL The SCTP_SENDALL path in sctp_sendmsg() iterates ep->asocs with list_for_each_…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00104 Published 2026-05-28 Fixed in 5.10.258, 5.15.209 +6 CWE-362

TI-2025-43216 CVE-2025-71066 · GHSA-m4cc-c4jq-h2wr

net/sched: ets: Always remove class from active list before deleting in ets_qdisc_change

LOW 35

In the Linux kernel, the following vulnerability has been resolved: net/sched: ets: Always remove class from active list before deleting in ets_qdisc_change [email protected] says: The vulnerability is a rac…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00174 Published 2026-01-13 Partial fix · 5.10.248, 5.15.198 +5 CWE-362