CVE-2024-36954: tipc: fix a possible memleak in tipc_buf_append

Published May 30, 2024
·
Updated

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

tipc: fix a possible memleak in tipcbufappend

skblinearize() doesn't free the skb when it fails, so move 'buf = NULL' after skblinearize(), so that the skb can be freed on the err path.

Other sources

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

tipc: fix a possible memleak in tipcbufappend

The Linux kernel CVE team has assigned CVE-2024-36954 to this issue.

Upstream advisory: https://lore.kernel.org/linux-cve-announce/2024053040-CVE-2024-36954-b1b8@gregkh/T

Red Hat

Affected Software

30 affected componentsFixes available
redhat/kernel<4.19.314
4.19.314
redhat/kernel<5.4.276
5.4.276
redhat/kernel<5.10.217
5.10.217
redhat/kernel<5.15.159
5.15.159
redhat/kernel<6.1.91
6.1.91
redhat/kernel<6.6.31
6.6.31
redhat/kernel<6.8.10
6.8.10
redhat/kernel<6.9
6.9
Linux Linux kernel>=4.4.271<4.5
Linux Linux kernel>=4.9.271<4.10
Linux Linux kernel>=4.14.235<4.15
Linux Linux kernel>=4.19.193<4.19.314
Linux Linux kernel>=5.4.124<5.4.276
Linux Linux kernel>=5.10.42<5.10.217
Linux Linux kernel>=5.12.9<5.15.159
Linux Linux kernel>=5.16<6.1.91
Linux Linux kernel>=6.2<6.6.31
Linux Linux kernel>=6.7<6.8.10
Linux Linux kernel=6.9-rc1
Linux Linux kernel=6.9-rc2
Linux Linux kernel=6.9-rc3
Linux Linux kernel=6.9-rc4
Linux Linux kernel=6.9-rc5
Linux Linux kernel=6.9-rc6
Debian Debian Linux=10.0
IBM Security Verify Governance<=ISVG 10.0.2
IBM Security Verify Governance, Identity Manager Software Stack<=ISVG 10.0.2
IBM Security Verify Governance, Identity Manager Virtual Appliance<=ISVG 10.0.2
IBM Security Verify Governance Identity Manager Container<=ISVG 10.0.2
debian/linux
5.10.223-15.10.234-16.1.129-16.1.135-16.12.25-16.12.27-1

Event History

May 30, 2024
CVE Published
via MITRE·03:35 PM
Data Sourced
via MITRE·03:35 PM
Description
Jun 3, 2024
Data Sourced
via Red Hat·01:57 PM
DescriptionSeverityAffected Software
Aug 8, 2024
Data Sourced
via Launchpad·11:27 PM
Description
Apr 27, 2025
Data Sourced
via Ubuntu·12:27 AM
RemedyDescriptionSeverityAffected Software

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is the severity of CVE-2024-36954?

CVE-2024-36954 is classified as a potential memory leak vulnerability in the Linux kernel.

2

How do I fix CVE-2024-36954?

To mitigate CVE-2024-36954, upgrade to the latest kernel versions such as 4.19.314, 5.4.276, 5.10.217, 5.15.159, 6.1.91, 6.6.31, and 6.8.10 as recommended for Red Hat and Debian systems.

3

Which versions of the Linux kernel are affected by CVE-2024-36954?

CVE-2024-36954 affects various versions of the Linux kernel including versions prior to 4.19.314, 5.4.276, 5.10.217, 5.15.159, 6.1.91, 6.6.31 and numerous earlier versions.

4

Is CVE-2024-36954 specific to any Linux distributions?

CVE-2024-36954 impacts multiple Linux distributions such as Red Hat and Debian, as it is a Linux kernel vulnerability.

5

What triggers the vulnerability CVE-2024-36954?

The vulnerability CVE-2024-36954 is triggered when the __skb_linearize() function in the Linux kernel fails and does not properly free the skb.

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