CVE-2025-68791Improper Update of Reference Count in Linux

Severity
6.4MEDIUM
No vector
EPSS
0.0%
top 92.35%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedJan 13
Latest updateApr 17

Description

In the Linux kernel, the following vulnerability has been resolved: fuse: missing copy_finish in fuse-over-io-uring argument copies Fix a possible reference count leak of payload pages during fuse argument copies. [Joanne: simplified error cleanup]

Affected Packages7 packages

Linuxlinux/linux_kernel6.14.06.18.3
Debianlinux/linux_kernel< 6.18.3-1
CVEListV5linux/linuxc090c8abae4b6b77a1bee116aa6c385456ebef96b79938863f436960eff209130f025c4bd3026bf8+2
debiandebian/linux< linux 6.18.3-1 (forky)

🔴Vulnerability Details

3
GHSA
GHSA-7jvc-cm4g-4hr3: In the Linux kernel, the following vulnerability has been resolved: fuse: missing copy_finish in fuse-over-io-uring argument copies Fix a possible r2026-01-13
OSV
CVE-2025-68791: In the Linux kernel, the following vulnerability has been resolved: fuse: missing copy_finish in fuse-over-io-uring argument copies Fix a possible ref2026-01-13
OSV
fuse: missing copy_finish in fuse-over-io-uring argument copies2026-01-13

📋Vendor Advisories

5
Ubuntu
Linux kernel (GCP) vulnerabilities2026-04-17
Ubuntu
Linux kernel (Real-time) vulnerabilities2026-04-17
Ubuntu
Linux kernel vulnerabilities2026-04-16
Red Hat
kernel: fuse: missing copy_finish in fuse-over-io-uring argument copies2026-01-13
Debian
CVE-2025-68791: linux - In the Linux kernel, the following vulnerability has been resolved: fuse: missi...2025

🕵️Threat Intelligence

1
Wiz
CVE-2025-68791 Impact, Exploitability, and Mitigation Steps | Wiz