CVE-2026-43193

EUVD-2026-27756
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
5.5 MEDIUM
LOCAL
LOW
LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 1%
Affected Products (NVD)
VendorProductVersion
linuxlinux_kernel
6.19 ≤
𝑥
< 6.19.6
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
linux
bookworm
6.1.170-3
fixed
bookworm (security)
6.1.174-1
fixed
bullseye
5.10.223-1
fixed
bullseye (security)
5.10.257-1
fixed
forky
7.0.12-2
fixed
sid
7.0.13-1
fixed
trixie
6.12.86-1
fixed
trixie (security)
6.12.94-1
fixed
Vulnerability Media Exposure
References
https://git.kernel.org/stable/c/0d8362e15aad5b5c1d6a65bb23ac6c45ccf881f3
https://git.kernel.org/stable/c/789477b849394afdb60507924d65f7ef18f078ce