CVE-2024-26673

HIGH
Published Apr 2, 2024 Modified Mar 17, 2025

Description

In the Linux kernel, the following vulnerability has been resolved: netfilter: nft_ct: sanitize layer 3 and 4 protocol number in custom expectations - Disallow families other than NFPROTO_{IPV4,IPV6,INET}. - Disallow layer 4 protocol with no ports, since destination port is a mandatory attribute for this object.

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CVSS v3.1 Score

7.1
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

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
debian debian_linux

References

Advisories & Patches

https://git.kernel.org/stable/c/0f501dae16b7099e69ee9b0d5c70b8f40fd30e98 https://git.kernel.org/stable/c/38cc1605338d99205a263707f4dde76408d3e0e8 https://git.kernel.org/stable/c/65ee90efc928410c6f73b3d2e0afdd762652c09d https://git.kernel.org/stable/c/8059918a1377f2f1fff06af4f5a4ed3d5acd6bc4 https://git.kernel.org/stable/c/b775ced05489f4b77a35fe203e9aeb22f428e38f https://git.kernel.org/stable/c/cfe3550ea5df292c9e2d608e8c4560032391847e https://git.kernel.org/stable/c/f549f340c91f08b938d60266e792ff7748dae483 https://git.kernel.org/stable/c/0f501dae16b7099e69ee9b0d5c70b8f40fd30e98 https://git.kernel.org/stable/c/38cc1605338d99205a263707f4dde76408d3e0e8 https://git.kernel.org/stable/c/65ee90efc928410c6f73b3d2e0afdd762652c09d https://git.kernel.org/stable/c/8059918a1377f2f1fff06af4f5a4ed3d5acd6bc4 https://git.kernel.org/stable/c/b775ced05489f4b77a35fe203e9aeb22f428e38f https://git.kernel.org/stable/c/cfe3550ea5df292c9e2d608e8c4560032391847e https://git.kernel.org/stable/c/f549f340c91f08b938d60266e792ff7748dae483

Frequently Asked Questions

What is CVE-2024-26673? +
In the Linux kernel, the following vulnerability has been resolved: netfilter: nft_ct: sanitize layer 3 and 4 protocol number in custom expectations - Disallow families other than NFPROTO_{IPV4,IPV6,INET}. - Disallow layer 4 protocol with no ports, since destination port is a mandatory attribute for this object. It has a CVSS v3.1 base score of 7.1 (HIGH).
How severe is CVE-2024-26673? +
CVE-2024-26673 has a CVSS v3.1 score of 7.1 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.
What products are affected by CVE-2024-26673? +
CVE-2024-26673 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-2024-26673? +
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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