CVE-2024-26736

HIGH
Published Apr 3, 2024 Modified Mar 17, 2025 CWE-787

Description

In the Linux kernel, the following vulnerability has been resolved: afs: Increase buffer size in afs_update_volume_status() The max length of volume->vid value is 20 characters. So increase idbuf[] size up to 24 to avoid overflow. Found by Linux Verification Center (linuxtesting.org) with SVACE. [DH: Actually, it's 20 + NUL, so increase it to 24 and use snprintf()]

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CVSS v3.1 Score

7.8
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness Type (CWE)

CWE-787 Out-of-bounds Write

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/5c27d85a69fa16a08813ba37ddfb4bbc9a1ed6b5 https://git.kernel.org/stable/c/6e6065dd25b661420fac19c34282b6c626fcd35e https://git.kernel.org/stable/c/6ea38e2aeb72349cad50e38899b0ba6fbcb2af3d https://git.kernel.org/stable/c/d34a5e57632bb5ff825196ddd9a48ca403626dfa https://git.kernel.org/stable/c/d9b5e2b7a8196850383c70d099bfd39e81ab6637 https://git.kernel.org/stable/c/e56662160fc24d28cb75ac095cc6415ae1bda43e https://git.kernel.org/stable/c/e8530b170e464017203e3b8c6c49af6e916aece1 https://git.kernel.org/stable/c/5c27d85a69fa16a08813ba37ddfb4bbc9a1ed6b5 https://git.kernel.org/stable/c/6e6065dd25b661420fac19c34282b6c626fcd35e https://git.kernel.org/stable/c/6ea38e2aeb72349cad50e38899b0ba6fbcb2af3d https://git.kernel.org/stable/c/d34a5e57632bb5ff825196ddd9a48ca403626dfa https://git.kernel.org/stable/c/d9b5e2b7a8196850383c70d099bfd39e81ab6637 https://git.kernel.org/stable/c/e56662160fc24d28cb75ac095cc6415ae1bda43e https://git.kernel.org/stable/c/e8530b170e464017203e3b8c6c49af6e916aece1

Frequently Asked Questions

What is CVE-2024-26736? +
In the Linux kernel, the following vulnerability has been resolved: afs: Increase buffer size in afs_update_volume_status() The max length of volume->vid value is 20 characters. So increase idbuf[] size up to 24 to avoid overflow. Found by Linux Verification Center (linuxtesting.org) with SVACE. [DH: Actually, it's 20 + NUL, so increase it to 24 and use snprintf()] It has a CVSS v3.1 base score of 7.8 (HIGH).
How severe is CVE-2024-26736? +
CVE-2024-26736 has a CVSS v3.1 score of 7.8 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.
What products are affected by CVE-2024-26736? +
CVE-2024-26736 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-2024-26736? +
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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