CVE-2025-21995

EUVD-2025-9601
In the Linux kernel, the following vulnerability has been resolved:

drm/sched: Fix fence reference count leak

The last_scheduled fence leaks when an entity is being killed and adding
the cleanup callback fails.

Decrement the reference count of prev when dma_fence_add_callback()
fails, ensuring proper balance.

[phasta: add git tag info for stable kernel]
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: 7%
Affected Products (NVD)
VendorProductVersion
linuxlinux_kernel
6.2 ≤
𝑥
< 6.6.85
linuxlinux_kernel
6.7 ≤
𝑥
< 6.12.21
linuxlinux_kernel
6.13 ≤
𝑥
< 6.13.9
linuxlinux_kernel
6.14:rc1
linuxlinux_kernel
6.14:rc2
linuxlinux_kernel
6.14:rc3
linuxlinux_kernel
6.14:rc4
linuxlinux_kernel
6.14:rc5
linuxlinux_kernel
6.14:rc6
linuxlinux_kernel
6.14:rc7
𝑥
= Vulnerable software versions
openSUSE logo
openSUSE / SLES Releases
openSUSE Product
Release
kernel-64kb
suse enterprise desktop 15 SP6
6.4.0-150600.23.50.1
fixed
suse enterprise desktop 15 SP7
6.4.0-150700.53.3.1
fixed
suse enterprise sap 15 SP6
6.4.0-150600.23.50.1
fixed
suse enterprise sap 15 SP7
6.4.0-150700.53.3.1
fixed
suse enterprise server 15 SP6
6.4.0-150600.23.50.1
fixed
suse enterprise server 15 SP7
6.4.0-150700.53.3.1
fixed
kernel-azure
suse enterprise sap 15 SP6
6.4.0-150600.8.37.1
fixed
suse enterprise sap 15 SP7
6.4.0-150700.20.3.1
fixed
suse enterprise server 15 SP6
6.4.0-150600.8.37.1
fixed
suse enterprise server 15 SP7
6.4.0-150700.20.3.1
fixed
kernel-default
suse enterprise desktop 15 SP6
6.4.0-150600.23.50.1
fixed
suse enterprise desktop 15 SP7
6.4.0-150700.53.3.1
fixed
suse enterprise sap 15 SP6
6.4.0-150600.23.50.1
fixed
suse enterprise sap 15 SP7
6.4.0-150700.53.3.1
fixed
suse enterprise server 15 SP6
6.4.0-150600.23.50.1
fixed
suse enterprise server 15 SP7
6.4.0-150700.53.3.1
fixed
kernel-default-base
suse enterprise desktop 15 SP6
6.4.0-150600.23.50.1.150600.12.22.1
fixed
suse enterprise desktop 15 SP7
6.4.0-150700.53.3.1.150700.17.2.1
fixed
suse enterprise sap 15 SP6
6.4.0-150600.23.50.1.150600.12.22.1
fixed
suse enterprise sap 15 SP7
6.4.0-150700.53.3.1.150700.17.2.1
fixed
suse enterprise server 15 SP6
6.4.0-150600.23.50.1.150600.12.22.1
fixed
suse enterprise server 15 SP7
6.4.0-150700.53.3.1.150700.17.2.1
fixed
kernel-docs
suse enterprise desktop 15 SP6
6.4.0-150600.23.50.1
fixed
suse enterprise desktop 15 SP7
6.4.0-150700.53.3.1
fixed
suse enterprise sap 15 SP6
6.4.0-150600.23.50.1
fixed
suse enterprise sap 15 SP7
6.4.0-150700.53.3.1
fixed
suse enterprise server 15 SP6
6.4.0-150600.23.50.1
fixed
suse enterprise server 15 SP7
6.4.0-150700.53.3.1
fixed
kernel-macros
suse enterprise desktop 15 SP6
6.4.0-150600.23.50.1
fixed
suse enterprise desktop 15 SP7
6.4.0-150700.53.3.1
fixed
suse enterprise sap 15 SP6
6.4.0-150600.23.50.1
fixed
suse enterprise sap 15 SP7
6.4.0-150700.53.3.1
fixed
suse enterprise server 15 SP6
6.4.0-150600.23.50.1
fixed
suse enterprise server 15 SP7
6.4.0-150700.53.3.1
fixed
kernel-obs-build
suse enterprise desktop 15 SP6
6.4.0-150600.23.50.1
fixed
suse enterprise desktop 15 SP7
6.4.0-150700.53.3.1
fixed
suse enterprise sap 15 SP6
6.4.0-150600.23.50.1
fixed
suse enterprise sap 15 SP7
6.4.0-150700.53.3.1
fixed
suse enterprise server 15 SP6
6.4.0-150600.23.50.1
fixed
suse enterprise server 15 SP7
6.4.0-150700.53.3.1
fixed
kernel-source
suse enterprise desktop 15 SP6
6.4.0-150600.23.50.1
fixed
suse enterprise desktop 15 SP7
6.4.0-150700.53.3.1
fixed
suse enterprise sap 15 SP6
6.4.0-150600.23.50.1
fixed
suse enterprise sap 15 SP7
6.4.0-150700.53.3.1
fixed
suse enterprise server 15 SP6
6.4.0-150600.23.50.1
fixed
suse enterprise server 15 SP7
6.4.0-150700.53.3.1
fixed
kernel-source-azure
suse enterprise sap 15 SP6
6.4.0-150600.8.37.1
fixed
suse enterprise sap 15 SP7
6.4.0-150700.20.3.1
fixed
suse enterprise server 15 SP6
6.4.0-150600.8.37.1
fixed
suse enterprise server 15 SP7
6.4.0-150700.20.3.1
fixed
kernel-syms
suse enterprise desktop 15 SP6
6.4.0-150600.23.50.1
fixed
suse enterprise desktop 15 SP7
6.4.0-150700.53.3.1
fixed
suse enterprise sap 15 SP6
6.4.0-150600.23.50.1
fixed
suse enterprise sap 15 SP7
6.4.0-150700.53.3.1
fixed
suse enterprise server 15 SP6
6.4.0-150600.23.50.1
fixed
suse enterprise server 15 SP7
6.4.0-150700.53.3.1
fixed
kernel-syms-azure
suse enterprise sap 15 SP6
6.4.0-150600.8.37.1
fixed
suse enterprise sap 15 SP7
6.4.0-150700.20.3.1
fixed
suse enterprise server 15 SP6
6.4.0-150600.8.37.1
fixed
suse enterprise server 15 SP7
6.4.0-150700.20.3.1
fixed
kernel-zfcpdump
suse enterprise desktop 15 SP6
6.4.0-150600.23.50.1
fixed
suse enterprise desktop 15 SP7
6.4.0-150700.53.3.1
fixed
suse enterprise sap 15 SP6
6.4.0-150600.23.50.1
fixed
suse enterprise sap 15 SP7
6.4.0-150700.53.3.1
fixed
suse enterprise server 15 SP6
6.4.0-150600.23.50.1
fixed
suse enterprise server 15 SP7
6.4.0-150700.53.3.1
fixed
References
https://git.kernel.org/stable/c/1135a9431160575466ea9ac37ebd756ecbe35fff
https://git.kernel.org/stable/c/35399c84dcedd6d31448fb9e1336ef52673f2882
https://git.kernel.org/stable/c/a952f1ab696873be124e31ce5ef964d36bce817f
https://git.kernel.org/stable/c/c76bd3c99293834de7d1dca5de536616d5655e38