CVE-2026-23410: apparmor: fix race on rawdata dereference

Published Apr 1, 2026
·
Updated

apparmor: fix race on rawdata dereference

Other sources

In the Linux kernel, the following vulnerability has been resolved:

Launchpad

Affected Software

18 affected componentsFixes available
Linux AppArmor
Microsoft azl3 kernel 6.6.0.0-1
Linux Linux kernel>=4.13.1<5.10.253
Linux Linux kernel>=5.11<5.15.203
Linux Linux kernel>=5.16<6.1.169
Linux Linux kernel>=6.2<6.6.130
Linux Linux kernel>=6.7<6.12.77
Linux Linux kernel>=6.13<6.18.18
Linux Linux kernel>=6.19<6.19.8
Linux Linux kernel=4.13
Linux Linux kernel=7.0-rc1
Linux Linux kernel=7.0-rc2
Linux Linux kernel=7.0-rc3
Linux Linux kernel=7.0-rc4
Linux Linux kernel=7.0-rc5
Linux Linux kernel=7.0-rc6
Linux Linux kernel=7.0-rc7
debian/linux<=5.10.223-1
5.10.251-56.1.170-36.1.172-16.12.86-16.12.88-17.0.7-1

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade debian/linux to a version that resolves this vulnerability.

    Fixed in 5.10.251-5Fixed in 6.1.170-3Fixed in 6.1.172-1Fixed in 6.12.86-1Fixed in 6.12.88-1Fixed in 7.0.7-1

Event History

Apr 1, 2026
CVE Published
via MITRE·08:36 AM
Data Sourced
via MITRE·08:36 AM
DescriptionSeverity
Data Sourced
via NVD·09:16 AM
RemedyDescriptionSeverityWeaknessAffected Software
Apr 10, 2026
Data Sourced
via Microsoft·08:02 AM
DescriptionSeverityWeaknessAffected Software
Updated
via Microsoft·08:02 AM
DescriptionSeverity
May 13, 2026
Data Sourced
via Launchpad·04:06 AM
Description
May 14, 2026
Data Sourced
via Ubuntu·04:06 AM
RemedyDescriptionSeverityAffected Software
May 17, 2026
Data Sourced
via Debian·04:10 AM
DescriptionAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2026-23410?

CVE-2026-23410 is considered a medium severity vulnerability due to its potential for causing a use-after-free situation.

2

How do I fix CVE-2026-23410?

To fix CVE-2026-23410, update your Linux AppArmor software to the latest version that addresses this vulnerability.

3

What type of vulnerability is CVE-2026-23410?

CVE-2026-23410 is a race condition vulnerability affecting rawdata dereference in the Linux kernel.

4

What systems are affected by CVE-2026-23410?

CVE-2026-23410 affects systems running Linux AppArmor without the necessary patches applied.

5

What are the potential impacts of CVE-2026-23410?

The potential impacts of CVE-2026-23410 include unauthorized access and manipulation of system resources due to the use-after-free vulnerability.

Contact

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