CVE-2025-71269Unlock of a Resource that is not Locked in Linux

Severity
5.5MEDIUM
No vector
EPSS
0.0%
top 93.68%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedMar 18

Description

In the Linux kernel, the following vulnerability has been resolved: btrfs: do not free data reservation in fallback from inline due to -ENOSPC If we fail to create an inline extent due to -ENOSPC, we will attempt to go through the normal COW path, reserve an extent, create an ordered extent, etc. However we were always freeing the reserved qgroup data, which is wrong since we will use data. Fix this by freeing the reserved qgroup data in __cow_file_range_inline() only if we are not doing the f

Affected Packages3 packages

Linuxlinux/linux_kernel4.4.06.18.10
Debianlinux/linux_kernel< 6.18.10-1
CVEListV5linux/linux94ed938aba557aa798acf496f09afb289b619fcd3edd1f6c7c520536b62b2904807033597554dbac+5

🔴Vulnerability Details

4
CVEList
btrfs: do not free data reservation in fallback from inline due to -ENOSPC2026-03-18
OSV
CVE-2025-71269: In the Linux kernel, the following vulnerability has been resolved: btrfs: do not free data reservation in fallback from inline due to -ENOSPC If we f2026-03-18
GHSA
GHSA-wqgp-m495-6968: In the Linux kernel, the following vulnerability has been resolved: btrfs: do not free data reservation in fallback from inline due to -ENOSPC If we2026-03-18
OSV
btrfs: do not free data reservation in fallback from inline due to -ENOSPC2026-03-18

📋Vendor Advisories

3
Red Hat
kernel: btrfs: do not free data reservation in fallback from inline due to -ENOSPC2026-03-18
Microsoft
btrfs: do not free data reservation in fallback from inline due to -ENOSPC2026-03-10
Debian
CVE-2025-71269: linux - In the Linux kernel, the following vulnerability has been resolved: btrfs: do n...2025

🕵️Threat Intelligence

1
Wiz
CVE-2025-71269 Impact, Exploitability, and Mitigation Steps | Wiz
CVE-2025-71269 — Linux vulnerability | cvebase