What’s Vulnerable › Vulnerabilities

CVE-2024-53106: ima: fix buffer overrun in ima_eventdigest_init_common

• Severity: high (CVSS 7.8 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: 2024-12-02 · updated 2026-08-04
• Weakness: CWE-787

Description

In the Linux kernel, the following vulnerability has been resolved: ima: fix buffer overrun in ima_eventdigest_init_common Function ima_eventdigest_init() calls ima_eventdigest_init_common() with HASH_ALGO__LAST which is then used to access the array hash_digest_size[] leading to buffer overrun. Have a conditional statement to handle this.

Affected products

• Linux kernel: from 5.19.1 before 6.1.119; from 6.2 before 6.6.63; from 6.7 before 6.11.10; 5.19, 5.19-rc7, 5.19-rc8, 6.12-rc1, 6.12-rc2, 6.12-rc3 (+4) — fixed in 6.1.119, 6.11.10, 6.6.63

How to fix

Upgrade to a fixed version: Linux kernel 6.1.119, 6.11.10, 6.6.63. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/1ecf0df5205cfb0907eb7984b8671257965a5232
• https://git.kernel.org/stable/c/8a84765c62cc0469864e2faee43aae253ad16082
• https://git.kernel.org/stable/c/923168a0631bc42fffd55087b337b1b6c54dcff5
• https://git.kernel.org/stable/c/e01aae58e818503f2ffcd34c6f7dc6f90af1057e
• https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html

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