CVE-2024-46855: netfilter: nft_socket: fix sk refcount leaks

Published Sep 27, 2024
·
Updated

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

netfilter: nftsocket: fix sk refcount leaks

We must put 'sk' reference before returning.

Affected Software

19 affected componentsFixes available
Linux Linux kernel>=5.3<6.1.111
Linux Linux kernel>=6.2<6.6.52
Linux Linux kernel>=6.7<6.10.11
Linux Linux kernel=4.19.76
Linux Linux kernel=5.2.18
Linux Linux kernel=6.11-rc1
Linux Linux kernel=6.11-rc2
Linux Linux kernel=6.11-rc3
Linux Linux kernel=6.11-rc4
Linux Linux kernel=6.11-rc5
Linux Linux kernel=6.11-rc6
Linux Linux kernel=6.11-rc7
debian/linux<=5.10.223-1, <=5.10.234-1
6.1.129-16.1.135-16.12.25-16.12.27-1
debian/linux-6.1
6.1.129-1~deb11u1
Microsoft azl3 kernel 6.6.51.1-5
Microsoft cbl2 kernel 5.15.180.1-1
Microsoft cbl2 kernel 5.15.180.1-1
Microsoft cbl2 kernel 5.15.176.3-1
Microsoft azl3 kernel 6.6.56.1-5

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

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

    Fixed in 6.1.129-1Fixed in 6.1.135-1Fixed in 6.12.25-1Fixed in 6.12.27-1
  2. Upgrade

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

    Fixed in 6.1.129-1~deb11u1

Event History

Sep 27, 2024
CVE Published
via MITRE·12:42 PM
Data Sourced
via MITRE·12:42 PM
DescriptionSeverity
Data Sourced
via NVD·01:15 PM
RemedyDescriptionSeverityAffected Software
Nov 9, 2024
Data Sourced
via Microsoft·08:00 AM
DescriptionSeverityWeakness
Data Sourced
via Microsoft·08:00 AM
Affected Software
Updated
via Microsoft·08:00 AM
Affected Software
Updated
via Microsoft·08:00 AM
SeverityAffected Software
Updated
via Microsoft·08:00 AM
DescriptionSeverity
May 1, 2025
Data Sourced
via Ubuntu·08:56 PM
RemedyDescriptionSeverityAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2024-46855?

CVE-2024-46855 has a moderate severity rating due to potential impacts on system stability and security.

2

How do I fix CVE-2024-46855?

To address CVE-2024-46855, update the Linux kernel to versions 6.1.123-1, 6.1.119-1, or 6.12.11-1.

3

Which Linux kernel versions are affected by CVE-2024-46855?

CVE-2024-46855 affects multiple Linux kernel versions, including 4.19.76, 5.2.18, and versions between 5.3 and 6.11-rc7.

4

What is the nature of the vulnerability described in CVE-2024-46855?

CVE-2024-46855 involves reference count leaks in the netfilter nft_socket component of the Linux kernel.

5

Are there any known exploits for CVE-2024-46855?

As of now, there are no widely known exploits specifically targeting CVE-2024-46855 publicly available.

Contact

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