What’s Vulnerable › Vulnerabilities

CVE-2024-56597: jfs: fix shift-out-of-bounds in dbSplit

• Severity: high (CVSS 7.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-12-27 · updated 2026-08-04
• Weakness: CWE-125

Description

In the Linux kernel, the following vulnerability has been resolved: jfs: fix shift-out-of-bounds in dbSplit When dmt_budmin is less than zero, it causes errors in the later stages. Added a check to return an error beforehand in dbAllocCtl itself.

Affected products

• Linux kernel: before 5.4.287; from 5.5 before 5.10.231; from 5.11 before 5.15.174; from 5.16 before 6.1.120; from 6.2 before 6.6.66; from 6.7 before 6.12.5 — fixed in 5.10.231, 5.15.174, 5.4.287, 6.1.120, 6.12.5, 6.6.66

How to fix

Upgrade to a fixed version: Linux kernel 5.10.231, 5.15.174, 5.4.287, 6.1.120. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/51a203470f502a64a3da8dcea51c4748e8267a6c
• https://git.kernel.org/stable/c/52756a57e978e2706543a254f88f266cc6702f36
• https://git.kernel.org/stable/c/6676034aa753aa448beb30dbd75630927ba7cd96
• https://git.kernel.org/stable/c/a5f5e4698f8abbb25fe4959814093fb5bfa1aa9d
• https://git.kernel.org/stable/c/bbb24ce7f06ef9b7c05beb9340787cbe9fd3d08e
• https://git.kernel.org/stable/c/c56245baf3fd1f79145dd7408e3ead034b74255c
• https://git.kernel.org/stable/c/df7c76636952670b31bd6c12b3aed3c502122273
• https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html
• https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html

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