RHSA-2026:71599: kernel security update

RHSA-2026:71599, released September 24, 2026, fixes 4 CVEs in kernel (version 6.12.0-55.107.1.el10_0). None of them is reported as exploited. Patch Radar priority: Urgent.

Urgent

CVEs closed

1 rated Critical

Exploited

None reported

Highest CVSS

9.8

Base score, 0 to 10

Highest EPSS

0.0147

73rd percentile

Priority of the 4 CVEs

Patch now 0
                                Urgent 1
                                High 3
                                Routine 0

Fixed package versions

Product	Release	Fixed in
kernel	RHEL 10	6.12.0-55.107.1.el10_0

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
Urgent	CVE-2026-68121	pppoe: reload header pointer after dev_hard_header()	9.8	0.0037	None reported
High	CVE-2026-74469	sctp: prevent peer transport count overflow	8.8	0.0147	None reported
High	CVE-2026-80844	xfrm: ah6: validate routing header segments_left	8.3	0.0043	None reported
High	CVE-2026-81000	linux: In the Linux kernel, the following vulnerability has been resolved: net: tun: bound receive headroom tun_get_user()...	8.3	0.0036	None reported

Also fixes CVE-2026-68121

SUSE-SU-2026:4120-1
kernel-livepatch-SLE15-SP7-RT_Update_20 on sles 15.7
ELSA-2026-500248
kernel-uek, kernel-uek-core, kernel-uek-debug and 32 more on ol 10, ol 9
RHSA-2026:92062
kpatch-patch-4_18_0-553_109_1, kpatch-patch-4_18_0-553_125_1, kpatch-patch-4_18_0-553_158_1 and 2 more on RHEL 8
RHSA-2026:91650
kpatch-patch-5_14_0-687_10_1, kpatch-patch-5_14_0-687_42_1 on RHEL 9
ELSA-2026-500249
bpftool, kernel-uek, kernel-uek-container and 16 more on ol 8, ol 9
ALAS2023-2026-2143
bpftool, bpftool-debuginfo, kernel and 15 more on amzn 2023
ALAS2023-2026-2106
bpftool6.18, bpftool6.18-debuginfo, kernel-livepatch-6.18.44-99.149 and 16 more on amzn 2023
ALAS2023-2026-2110
bpftool6.12, bpftool6.12-debuginfo, kernel-livepatch-6.12.103-127.188 and 15 more on amzn 2023

Vendor advisory

https://access.redhat.com/errata/RHSA-2026:71599

For tools and AI agents

This page as data: JSON · Markdown

Link to this page

If this page saved you time, a link to it in your ticket, advisory or write-up helps others find it.

HTML

<a href="https://patchblox.com/security/fix/linux/rhsa-2026-71599">RHSA-2026:71599 on Patchblox Patch Radar</a>

Reusing the data? How to credit Patch Radar.

Which servers are still behind?

Patchblox compares the installed package on every Linux machine against the fixed version for its release, including machines reported through Azure Update Manager.

Get a demo

Patch Radar data is free to use with attribution. Terms and how to credit it.

Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.