CVE-2025-71269
mediumpriority · track · 22EPSS 0.002 · 13 %ileDEEURUUSEPSS · scored 2026-10-27
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 fallback (ret is <= 0).
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5.1–7.5
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (41)
Products and version ranges known to be affected.
advisories (1)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2026-0790Linux Kernel: Mehrere SchwachstellenDeutsch2026-03-18csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Linux Kernel ausnutzen, um nicht näher spezifizierte Angriffe durchzuführen, die möglicherweise zu einem Denial-of-Service-Zustand, einer Rechteausweitung oder einer Speicherbeschädigung führen können.
also known as (3)
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sources
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references (15)
External citations — patches, advisories, analysis.
- https://access.redhat.com/security/cve/cve-2025-71269cnnvd
- https://git.kernel.org/stable/c/6de3a371a8b9fd095198b1aa68c22cc10a4c6961cnnvd
- https://git.kernel.org/stable/c/f8da41de0bff9eb1d774a7253da0c9f637c4470acnnvd
- https://vigilance.fr/vulnerability/Linux-kernel-multiple-vulnerabilities-dated-18-03-2026-50090cnnvd
- https://www.kernel.org/Patchcnnvd
- https://git.kernel.org/stable/c/0a1fbbd780f04d1b6cf48dd327c866ba937de1c4enisa_euvd
- https://git.kernel.org/stable/c/3a9fd45afadec1fbfec72057b9473d509fa8b68cenisa_euvd
- https://git.kernel.org/stable/c/3edd1f6c7c520536b62b2904807033597554dbacenisa_euvd
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