CVE-2026-52924: sctp: purge outqueue on stale COOKIE-ECHO handling

Published Jun 24, 2026
·
Updated

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

Other sources

sctp: purge outqueue on stale COOKIE-ECHO handling

Microsoft

Affected Software

17 affected componentsFixes available
Linux Linux kernel
Microsoft azl3 kernel 6.6.141.1-1<6.6.143.1-1
6.6.143.1-1
Linux Linux kernel>=4.15<5.10.259
Linux Linux kernel>=5.11<5.15.210
Linux Linux kernel>=5.16<6.1.176
Linux Linux kernel>=6.2<6.6.143
Linux Linux kernel>=6.7<6.12.94
Linux Linux kernel>=6.13<6.18.36
Linux Linux kernel>=6.19<7.0.13
Linux Linux kernel=7.1-rc1
Linux Linux kernel=7.1-rc2
Linux Linux kernel=7.1-rc3
Linux Linux kernel=7.1-rc4
Linux Linux kernel=7.1-rc5
Linux Linux kernel=7.1-rc6
debian/linux<=5.10.223-1
5.10.262-16.1.176-16.1.180-16.12.94-16.12.105-17.1.8-27.1.10-1
debian/linux-6.1
6.1.180-1~deb11u1

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 6.6.143.1-1
  2. Upgrade

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

    Fixed in 5.10.262-1Fixed in 6.1.176-1Fixed in 6.1.180-1Fixed in 6.12.94-1Fixed in 6.12.105-1Fixed in 7.1.8-2Fixed in 7.1.10-1
  3. Upgrade

    Upgrade debian/linux-6.1 to a version that resolves this vulnerability.

    Fixed in 6.1.180-1~deb11u1

Event History

Jun 24, 2026
CVE Published
via MITRE·07:14 AM
Data Sourced
via MITRE·07:14 AM
DescriptionSeverity
Data Sourced
via Red Hat·08:01 AM
DescriptionSeverityAffected Software
Data Sourced
via NVD·08:16 AM
RemedyDescriptionSeverityWeaknessAffected Software
Jun 27, 2026
Data Sourced
via Microsoft·08:08 AM
DescriptionSeverityWeaknessAffected Software
Updated
via Microsoft·08:08 AM
DescriptionSeverity
Aug 14, 2026
Data Sourced
via Launchpad·08:42 PM
Description
Aug 26, 2026
Data Sourced
via Debian·10:12 PM
DescriptionAffected Software
Aug 27, 2026
Data Sourced
via Ubuntu·10:12 PM
RemedyDescriptionSeverityAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2026-52924?

CVE-2026-52924 has a risk rating of 60, indicating a moderate severity level.

2

How do I fix CVE-2026-52924?

To fix CVE-2026-52924, update the Linux kernel to the latest stable version that addresses this vulnerability.

3

What type of vulnerability is CVE-2026-52924?

CVE-2026-52924 is categorized as a Use After Free vulnerability.

4

What does CVE-2026-52924 affect?

CVE-2026-52924 affects the Linux kernel and specifically involves stale COOKIE-ECHO handling in SCTP.

5

When was CVE-2026-52924 published?

CVE-2026-52924 was published on June 24, 2026.

Contact

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