CVE-2024-56595: linux kernel — Fix

Description

In the Linux kernel, the following vulnerability has been resolved: jfs: add a check to prevent array-index-out-of-bounds in dbAdjTree When the value of lp is 0 at the beginning of the for loop, it will become negative in the next assignment and we should bail out.

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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-129 CWE-129

Affected Products

Vendor	Product	Versions
linux	linux_kernel	< 5.4.287
linux	linux_kernel	5.5 — 5.10.231
linux	linux_kernel	5.11 — 5.15.174
linux	linux_kernel	5.16 — 6.1.120
linux	linux_kernel	6.2 — 6.6.66
linux	linux_kernel	6.7 — 6.12.5

References

Advisories & Patches

https://git.kernel.org/stable/c/368a533152220b0a6f1142327d96c6b6361f3002 https://git.kernel.org/stable/c/3b5d21b56c3774bc84eab0a93aaac22a4475e2c4 https://git.kernel.org/stable/c/491487eeddccc4bb49f2e59d8c8f35bec89c15ca https://git.kernel.org/stable/c/8a4311bbde702362fe7412045d06ab6767235dac https://git.kernel.org/stable/c/a174706ba4dad895c40b1d2277bade16dfacdcd9 https://git.kernel.org/stable/c/a3d408870bc19b794646871bc4c3a5daa66f91c5 https://git.kernel.org/stable/c/b15000bcbecf27e0f7c0f149a409e5b865e28ca2

Other References

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-2024-56595? +

In the Linux kernel, the following vulnerability has been resolved: jfs: add a check to prevent array-index-out-of-bounds in dbAdjTree When the value of lp is 0 at the beginning of the for loop, it will become negative in the next assignment and we should bail out. It has a CVSS v3.1 base score of 7.8 (HIGH).

How severe is CVE-2024-56595? +

CVE-2024-56595 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-2024-56595? +

CVE-2024-56595 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-2024-56595? +

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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