Track vulnerabilities like this one. Sign up free to get alerted when software you use is affected.

Red Hat Enterprise Linux Kernel Patch Vulnerability: Uncontrolled Memory Access

published 8 months ago

Summary

This vulnerability affects multiple Red Hat Enterprise Linux kernel patches. An attacker could potentially exploit this issue to execute arbitrary code or crash the system. Users are advised to apply the latest security update to mitigate this risk.

What to do

Update redhat kpatch-patch-4_18_0-477_107_1 to version 0:1-2.el8_8.
Update redhat kpatch-patch-4_18_0-477_107_1-debuginfo to version 0:1-2.el8_8.
Update redhat kpatch-patch-4_18_0-477_107_1-debugsource to version 0:1-2.el8_8.
Update redhat kpatch-patch-4_18_0-477_120_1 to version 0:1-1.el8_8.
Update redhat kpatch-patch-4_18_0-477_120_1-debuginfo to version 0:1-1.el8_8.
Update redhat kpatch-patch-4_18_0-477_120_1-debugsource to version 0:1-1.el8_8.
Update redhat kpatch-patch-4_18_0-477_81_1 to version 0:1-10.el8_8.
Update redhat kpatch-patch-4_18_0-477_89_1 to version 0:1-8.el8_8.
Update redhat kpatch-patch-4_18_0-477_89_1-debuginfo to version 0:1-8.el8_8.
Update redhat kpatch-patch-4_18_0-477_89_1-debugsource to version 0:1-8.el8_8.
Update redhat kpatch-patch-4_18_0-477_97_1 to version 0:1-6.el8_8.
Update redhat kpatch-patch-4_18_0-477_97_1-debuginfo to version 0:1-6.el8_8.
Update redhat kpatch-patch-4_18_0-477_97_1-debugsource to version 0:1-6.el8_8.

Affected software

Ecosystem	Vendor	Product	Affected versions
Red Hat:rhel_e4s:8.8::baseos	redhat	kpatch-patch-4_18_0-477_107_1	< 0:1-2.el8_8 Fix: upgrade to 0:1-2.el8_8
Red Hat:rhel_e4s:8.8::baseos	redhat	kpatch-patch-4_18_0-477_107_1-debuginfo	< 0:1-2.el8_8 Fix: upgrade to 0:1-2.el8_8
Red Hat:rhel_e4s:8.8::baseos	redhat	kpatch-patch-4_18_0-477_107_1-debugsource	< 0:1-2.el8_8 Fix: upgrade to 0:1-2.el8_8
Red Hat:rhel_e4s:8.8::baseos	redhat	kpatch-patch-4_18_0-477_120_1	< 0:1-1.el8_8 Fix: upgrade to 0:1-1.el8_8
Red Hat:rhel_e4s:8.8::baseos	redhat	kpatch-patch-4_18_0-477_120_1-debuginfo	< 0:1-1.el8_8 Fix: upgrade to 0:1-1.el8_8
Red Hat:rhel_e4s:8.8::baseos	redhat	kpatch-patch-4_18_0-477_120_1-debugsource	< 0:1-1.el8_8 Fix: upgrade to 0:1-1.el8_8
Red Hat:rhel_e4s:8.8::baseos	redhat	kpatch-patch-4_18_0-477_81_1	< 0:1-10.el8_8 Fix: upgrade to 0:1-10.el8_8
Red Hat:rhel_e4s:8.8::baseos	redhat	kpatch-patch-4_18_0-477_89_1	< 0:1-8.el8_8 Fix: upgrade to 0:1-8.el8_8
Red Hat:rhel_e4s:8.8::baseos	redhat	kpatch-patch-4_18_0-477_89_1-debuginfo	< 0:1-8.el8_8 Fix: upgrade to 0:1-8.el8_8
Red Hat:rhel_e4s:8.8::baseos	redhat	kpatch-patch-4_18_0-477_89_1-debugsource	< 0:1-8.el8_8 Fix: upgrade to 0:1-8.el8_8
Red Hat:rhel_e4s:8.8::baseos	redhat	kpatch-patch-4_18_0-477_97_1	< 0:1-6.el8_8 Fix: upgrade to 0:1-6.el8_8
Red Hat:rhel_e4s:8.8::baseos	redhat	kpatch-patch-4_18_0-477_97_1-debuginfo	< 0:1-6.el8_8 Fix: upgrade to 0:1-6.el8_8
Red Hat:rhel_e4s:8.8::baseos	redhat	kpatch-patch-4_18_0-477_97_1-debugsource	< 0:1-6.el8_8 Fix: upgrade to 0:1-6.el8_8

Original advisory text

Red Hat Security Advisory: kpatch-patch-4_18_0-477_107_1, kpatch-patch-4_18_0-477_120_1, kpatch-patch-4_18_0-477_81_1, kpatch-patch-4_18_0-477_89_1, and kpatch-patch-4_18_0-477_97_1 security update

References

https://access.redhat.com/errata/RHSA-2026:2557 Vendor Advisory
https://access.redhat.com/security/updates/classification/#moderate Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2422801 Third Party Advisory
https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_2557.j... Vendor Advisory
https://access.redhat.com/security/cve/CVE-2025-68285 Third Party Advisory
https://www.cve.org/CVERecord?id=CVE-2025-68285 Vendor Advisory
https://nvd.nist.gov/vuln/detail/CVE-2025-68285 Vendor Advisory
https://lore.kernel.org/linux-cve-announce/2025121638-CVE-2025-68285-8339@gregkh... Third Party Advisory

Fix within

Internet-facing 14 days

Internal At next upgrade

Not known to be exploited
Needs hands-on effort to exploit (estimated)
Gives an attacker full control (estimated)

Severity

5.5 Medium

Timeline

Published12 Feb 2026

Updated22 Aug 2026

First seen28 Jun 2026

Sources

RHSA-2026:2557 · OSV

Track software like this

Free during beta