CVE-2024-26835

MEDIUM
Published Apr 17, 2024 Modified Apr 2, 2025

Description

In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: set dormant flag on hook register failure We need to set the dormant flag again if we fail to register the hooks. During memory pressure hook registration can fail and we end up with a table marked as active but no registered hooks. On table/base chain deletion, nf_tables will attempt to unregister the hook again which yields a warn splat from the nftables core.

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CVSS v3.1 Score

5.5
MEDIUM
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Affected Products

Vendor Product
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel
debian debian_linux

References

Advisories & Patches

https://git.kernel.org/stable/c/0c9302a6da262e6ab6a6c1d30f04a6130ed97376 https://git.kernel.org/stable/c/31ea574aeca1aa488e18716459bde057217637af https://git.kernel.org/stable/c/664264a5c55bf97a9c571c557d477b75416199be https://git.kernel.org/stable/c/6f2496366426cec18ba53f1c7f6c3ac307ca6a95 https://git.kernel.org/stable/c/a6411f3c48f991c19aaf9a24fce36865fbba28d7 https://git.kernel.org/stable/c/ae4360cbd385f0d7a8a86d5723e50448cc6318f3 https://git.kernel.org/stable/c/bccebf64701735533c8db37773eeacc6566cc8ec https://git.kernel.org/stable/c/f2135bbf14949687e96cabb13d8a91ae3deb9069 https://git.kernel.org/stable/c/0c9302a6da262e6ab6a6c1d30f04a6130ed97376 https://git.kernel.org/stable/c/31ea574aeca1aa488e18716459bde057217637af https://git.kernel.org/stable/c/664264a5c55bf97a9c571c557d477b75416199be https://git.kernel.org/stable/c/6f2496366426cec18ba53f1c7f6c3ac307ca6a95 https://git.kernel.org/stable/c/a6411f3c48f991c19aaf9a24fce36865fbba28d7 https://git.kernel.org/stable/c/ae4360cbd385f0d7a8a86d5723e50448cc6318f3 https://git.kernel.org/stable/c/bccebf64701735533c8db37773eeacc6566cc8ec https://git.kernel.org/stable/c/f2135bbf14949687e96cabb13d8a91ae3deb9069

Frequently Asked Questions

What is CVE-2024-26835? +
In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: set dormant flag on hook register failure We need to set the dormant flag again if we fail to register the hooks. During memory pressure hook registration can fail and we end up with a table marked as active but no registered hooks. On table/base chain deletion, nf_tables will attempt to unregister the hook again which yields a warn splat from the nftables core. It has a CVSS v3.1 base score of 5.5 (MEDIUM).
How severe is CVE-2024-26835? +
CVE-2024-26835 has a CVSS v3.1 score of 5.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.
What products are affected by CVE-2024-26835? +
CVE-2024-26835 affects products from debian, linux, specifically: debian_linux, linux_kernel. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2024-26835? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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