CVE-2025-21942 — Infinite Loop in Linux

CWE-835 — Infinite Loop5 documents5 sources
Severity
5.5MEDIUMNVD
EPSS
0.0%
top 92.32%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
LinuxLinux KernelDebian Linux
Timeline
PublishedApr 1

Description

In the Linux kernel, the following vulnerability has been resolved: btrfs: zoned: fix extent range end unlock in cow_file_range() Running generic/751 on the for-next branch often results in a hang like below. They are both stack by locking an extent. This suggests someone forget to unlock an extent. INFO: task kworker/u128:1:12 blocked for more than 323 seconds. Not tainted 6.13.0-BTRFS-ZNS+ #503 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/u128:1 sta…

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6

Affected Packages3 packages

▶NVDlinux/linux_kernel6.13.2 — 6.13.7+1
▶CVEListV5linux/linux10b3772292bf1be45604ba83fd9650eb94382e78 — 5f4863cfb29a7b4fe7625ce148d0b9000b75b802+3
▶debiandebian/linux

Patches

Patch: git.kernel.org ↗Patch: git.kernel.org ↗Patch: git.kernel.org ↗

🔴Vulnerability Details

2
GHSA
GHSA-f349-gqv8-wh65: In the Linux kernel, the following vulnerability has been resolved: btrfs: zoned: fix extent range end unlock in cow_file_range() Running generic/75↗2025-04-01
▶
OSV
CVE-2025-21942: In the Linux kernel, the following vulnerability has been resolved: btrfs: zoned: fix extent range end unlock in cow_file_range() Running generic/751↗2025-04-01
▶

📋Vendor Advisories

2
Red Hat
kernel: btrfs: zoned: fix extent range end unlock in cow_file_range()↗2025-04-01
▶
Debian
CVE-2025-21942: linux - In the Linux kernel, the following vulnerability has been resolved: btrfs: zone...↗2025
▶
CVE-2025-21942 — Infinite Loop in Linux | cvebase