CVE-2024-53099: linux kernel Out-of-bounds Read — Fix

Description

In the Linux kernel, the following vulnerability has been resolved: bpf: Check validity of link->type in bpf_link_show_fdinfo() If a newly-added link type doesn't invoke BPF_LINK_TYPE(), accessing bpf_link_type_strs[link->type] may result in an out-of-bounds access. To spot such missed invocations early in the future, checking the validity of link->type in bpf_link_show_fdinfo() and emitting a warning when such invocations are missed.

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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

Weakness Type (CWE)

CWE-125 Out-of-bounds Read

Affected Products

Vendor	Product	Versions
linux	linux_kernel	< 6.6.62
linux	linux_kernel	6.7 — 6.11.9
linux	linux_kernel	All
linux	linux_kernel	All
linux	linux_kernel	All
linux	linux_kernel	All

References

Advisories & Patches

https://git.kernel.org/stable/c/8421d4c8762bd022cb491f2f0f7019ef51b4f0a7 https://git.kernel.org/stable/c/b3eb1b6a9f745d6941b345f0fae014dc8bb06d36 https://git.kernel.org/stable/c/d5092b0a1aaf35d77ebd8d33384d7930bec5cb5d

Other References

https://git.kernel.org/stable/c/24fec234d2ba9ca3c14e545ebe3fd6dcb47f074d https://git.kernel.org/stable/c/4e8074bb33d18f56af30a0252cb3606d27eb1c13 https://git.kernel.org/stable/c/79f87a6ec39fb5968049a6775a528bf58b25c20a https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html

Frequently Asked Questions

What is CVE-2024-53099? +

In the Linux kernel, the following vulnerability has been resolved: bpf: Check validity of link->type in bpf_link_show_fdinfo() If a newly-added link type doesn't invoke BPF_LINK_TYPE(), accessing bpf_link_type_strs[link->type] may result in an out-of-bounds access. To spot such missed invocations early in the future, checking the validity of link->type in bpf_link_show_fdinfo() and emitting a warning when such invocations are missed. It has a CVSS v3.1 base score of 7.1 (HIGH).

How severe is CVE-2024-53099? +

CVE-2024-53099 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-2024-53099? +

CVE-2024-53099 affects products from linux, specifically: linux_kernel. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-53099? +

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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