CVE-2024-36957

MEDIUM
Published May 30, 2024 Modified Dec 23, 2025 CWE-193

Description

In the Linux kernel, the following vulnerability has been resolved: octeontx2-af: avoid off-by-one read from userspace We try to access count + 1 byte from userspace with memdup_user(buffer, count + 1). However, the userspace only provides buffer of count bytes and only these count bytes are verified to be okay to access. To ensure the copied buffer is NUL terminated, we use memdup_user_nul instead.

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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:N/A:H

Weakness Type (CWE)

CWE-193 CWE-193

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/0a0285cee11c7dcc2657bcd456e469958a5009e7 https://git.kernel.org/stable/c/8f11fe3ea3fc261640cfc8a5addd838000407c67 https://git.kernel.org/stable/c/bcdac70adceb44373da204c3c297f2a98e13216e https://git.kernel.org/stable/c/ec697fbd38cbe2eef0948b58673b146caa95402f https://git.kernel.org/stable/c/f299ee709fb45036454ca11e90cb2810fe771878 https://git.kernel.org/stable/c/fc3e0076c1f82fe981d321e3a7bad4cbee542c19 https://git.kernel.org/stable/c/0a0285cee11c7dcc2657bcd456e469958a5009e7 https://git.kernel.org/stable/c/8f11fe3ea3fc261640cfc8a5addd838000407c67 https://git.kernel.org/stable/c/bcdac70adceb44373da204c3c297f2a98e13216e https://git.kernel.org/stable/c/ec697fbd38cbe2eef0948b58673b146caa95402f https://git.kernel.org/stable/c/f299ee709fb45036454ca11e90cb2810fe771878 https://git.kernel.org/stable/c/fc3e0076c1f82fe981d321e3a7bad4cbee542c19

Frequently Asked Questions

What is CVE-2024-36957? +
In the Linux kernel, the following vulnerability has been resolved: octeontx2-af: avoid off-by-one read from userspace We try to access count + 1 byte from userspace with memdup_user(buffer, count + 1). However, the userspace only provides buffer of count bytes and only these count bytes are verified to be okay to access. To ensure the copied buffer is NUL terminated, we use memdup_user_nul instead. It has a CVSS v3.1 base score of 5.5 (MEDIUM).
How severe is CVE-2024-36957? +
CVE-2024-36957 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-2024-36957? +
CVE-2024-36957 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-2024-36957? +
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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