CVE-2026-53225: sctp: fix uninit-value in __sctp_rcv_asconf_lookup()

Published Jun 25, 2026
·
Updated

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

Other sources

sctp: fix uninit-value in sctprcvasconflookup()

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>=2.6.25<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
Linux Linux kernel=7.1-rc7
debian/linux
6.1.176-16.1.187-16.12.94-16.12.107-17.1.12-17.1.13-1

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 6.1.176-1Fixed in 6.1.187-1Fixed in 6.12.94-1Fixed in 6.12.107-1Fixed in 7.1.12-1Fixed in 7.1.13-1

Event History

Jun 25, 2026
CVE Published
via MITRE·08:39 AM
Data Sourced
via MITRE·08:39 AM
DescriptionSeverity
Data Sourced
via NVD·09:16 AM
RemedyDescriptionSeverityWeaknessAffected Software
Jun 27, 2026
Data Sourced
via Microsoft·08:14 AM
DescriptionSeverityWeaknessAffected Software
Updated
via Microsoft·08:14 AM
DescriptionSeverity
Aug 14, 2026
Data Sourced
via Launchpad·08:41 PM
Description
Sep 7, 2026
Data Sourced
via Ubuntu·09:57 PM
RemedyDescriptionSeverityAffected Software
Sep 8, 2026
Data Sourced
via Debian·09:58 PM
DescriptionAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2026-53225?

The severity of CVE-2026-53225 is rated as critical with a CVSS score of 9.1.

2

How do I fix CVE-2026-53225?

You can fix CVE-2026-53225 by applying the available patch provided for the vulnerability.

3

Which software is affected by CVE-2026-53225?

CVE-2026-53225 affects the Linux kernel and Microsoft's azl3 kernel version 6.6.141.1-1.

4

What type of vulnerability is CVE-2026-53225?

CVE-2026-53225 is classified as an uninitialized memory read vulnerability found in the SCTP protocol implementation.

5

When was CVE-2026-53225 published?

CVE-2026-53225 was published on June 25, 2026.

Contact

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