CVE-2024-0841: Kernel: hugetlbfs: null pointer dereference in hugetlbfs_fill_super function

Severity: high (CVSS 7.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-01-28 · updated 2026-06-17
Weakness: CWE-476

Description

A null pointer dereference flaw was found in the hugetlbfs_fill_super function in the Linux kernel hugetlbfs (HugeTLB pages) functionality. This issue may allow a local user to crash the system or potentially escalate their privileges on the system.

Affected products

Linux kernel: from 5.1 before 5.4.271; from 5.5 before 5.10.212; from 5.11 before 5.15.151; from 5.16 before 6.1.79; from 6.2 before 6.6.18; from 6.7 before 6.7.6 — fixed in 5.10.212, 5.15.151, 5.4.271, 6.1.79, 6.6.18, 6.7.6
Red Hat Enterprise Linux: 8.0, 9.0

How to fix

Upgrade to a fixed version: Linux kernel 5.10.212, 5.15.151, 5.4.271, 6.1.79. Check the vendor advisory for mitigations.

References

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