CVE-2024-50065: ntfs3: Change to non-blocking allocation in ntfs_d_hash

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: 2024-10-21 · updated 2026-06-17

Description

In the Linux kernel, the following vulnerability has been resolved: ntfs3: Change to non-blocking allocation in ntfs_d_hash d_hash is done while under "rcu-walk" and should not sleep. __get_name() allocates using GFP_KERNEL, having the possibility to sleep when under memory pressure. Change the allocation to GFP_NOWAIT.

Affected products

Linux kernel: from 6.6.44 before 6.6.57; from 6.11 before 6.11.4; 6.12-rc1, 6.12-rc2 — fixed in 6.11.4, 6.6.57

How to fix

Upgrade to a fixed version: Linux kernel 6.11.4, 6.6.57. Check the vendor advisory for mitigations.

References

https://git.kernel.org/stable/c/589996bf8c459deb5bbc9747d8f1c51658608103
https://git.kernel.org/stable/c/c556e72cea2a1131ae418be017dd6fc76fffe2fb
https://git.kernel.org/stable/c/d0c710372e238510db08ea01e7b8bd81ed995dd6

Get alerted when CVE-2024-50065 or the next vulnerability affects your stack