What’s Vulnerable › Vulnerabilities

CVE-2024-58016: safesetid: check size of policy writes

• Severity: medium (CVSS 5.5 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: 2025-02-27 · updated 2026-10-15

Description

In the Linux kernel, the following vulnerability has been resolved: safesetid: check size of policy writes syzbot attempts to write a buffer with a large size to a sysfs entry with writes handled by handle_policy_update(), triggering a warning in kmalloc. Check the size specified for write buffers before allocating. [PM: subject tweak]

Affected products

• Linux kernel: from 5.1 before 5.10.235; from 5.11 before 5.15.179; from 5.16 before 6.1.129; from 6.2 before 6.6.78; from 6.7 before 6.12.14; from 6.13 before 6.13.3 — fixed in 5.10.235, 5.15.179, 6.1.129, 6.12.14, 6.13.3, 6.6.78

How to fix

Upgrade to a fixed version: Linux kernel 5.10.235, 5.15.179, 6.1.129, 6.12.14. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/36b385d0f2b4c0bf41d491e19075ecd990d2bf94
• https://git.kernel.org/stable/c/96fae5bd1589731592d30b3953a90a77ef3928a6
• https://git.kernel.org/stable/c/976284b94f2021df09829e37a367e19b84d9e5f3
• https://git.kernel.org/stable/c/a0dec65f88c8d9290dfa1d2ca1e897abe54c5881
• https://git.kernel.org/stable/c/c71d35676d46090c891b6419f253fb92a1a9f4eb
• https://git.kernel.org/stable/c/ecf6a4a558097920447a6fb84dfdb279e2ac749a
• https://git.kernel.org/stable/c/f09ff307c7299392f1c88f763299e24bc99811c7
• https://lists.debian.org/debian-lts-announce/2025/03/msg00028.html
• https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html
• https://cert-portal.siemens.com/productcert/html/ssa-019113.html
• https://cert-portal.siemens.com/productcert/html/ssa-265688.html
• https://cert-portal.siemens.com/productcert/html/ssa-457936.html

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