CVE-2026-43193

MEDIUM

nfsd: fix nfs4_file refcount leak in nfsd_get_dir_deleg()

Title source: cna

Description

In the Linux kernel, the following vulnerability has been resolved: nfsd: fix nfs4_file refcount leak in nfsd_get_dir_deleg() Claude pointed out that there is a nfs4_file refcount leak in nfsd_get_dir_deleg(). Ensure that the reference to "fp" is released before returning.

References (2)

Core 2

Core References

https://git.kernel.org/stable/c/0d8362e15aad5b5c1d6a65bb23ac6c45ccf881f3

https://git.kernel.org/stable/c/789477b849394afdb60507924d65f7ef18f078ce

Scores

CVSS v3 5.5

EPSS 0.0001

EPSS Percentile 3.1%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Details

Status published

Products (7)

Linux/Linux < 6.19

Linux/Linux 6.19

Linux/Linux 6.19.6 - 6.19.*

Linux/Linux 7.0

Linux/Linux 8b99f6a8c116f664a6788737705f6da2772cc96a - 0d8362e15aad5b5c1d6a65bb23ac6c45ccf881f3

Linux/Linux 8b99f6a8c116f664a6788737705f6da2772cc96a - 789477b849394afdb60507924d65f7ef18f078ce

linux/linux_kernel 6.19 - 6.19.6

Published May 06, 2026

Tracked Since May 06, 2026