Medium severity5.5NVD Advisory· Published Mar 18, 2026· Updated May 21, 2026
CVE-2025-71269
CVE-2025-71269
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 fallback (ret is <= 0).
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
22cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*+ 5 more
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*range: >=4.4,<6.1.168
- cpe:2.3:o:linux:linux_kernel:6.19:rc1:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:6.19:rc2:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:6.19:rc3:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:6.19:rc4:*:*:*:*:*:*
- (no CPE)
- osv-coords15 versionspkg:linux/kernelpkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Micro%206.0pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Micro%206.1pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Micro%206.0pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Micro%206.1pkg:rpm/suse/kernel-kvmsmall&distro=SUSE%20Linux%20Micro%206.0pkg:rpm/suse/kernel-kvmsmall&distro=SUSE%20Linux%20Micro%206.1pkg:rpm/suse/kernel-livepatch-SLE15-SP7-RT_Update_11&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP7pkg:rpm/suse/kernel-rt&distro=SUSE%20Linux%20Micro%206.1pkg:rpm/suse/kernel-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP7pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Micro%206.0pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Micro%206.1pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Linux%20Micro%206.1pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP7pkg:rpm/suse/kernel-syms-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP7
>= 4.4.0, < 6.18.10+ 14 more
- (no CPE)range: >= 4.4.0, < 6.18.10
- (no CPE)range: < 6.4.0-41.1.21.18
- (no CPE)range: < 6.4.0-41.1.21.18
- (no CPE)range: < 6.4.0-41.1
- (no CPE)range: < 6.4.0-41.1
- (no CPE)range: < 6.4.0-41.1
- (no CPE)range: < 6.4.0-41.1
- (no CPE)range: < 1-150700.1.3.1
- (no CPE)range: < 6.4.0-41.1
- (no CPE)range: < 6.4.0-150700.7.37.2
- (no CPE)range: < 6.4.0-41.1
- (no CPE)range: < 6.4.0-41.1
- (no CPE)range: < 6.4.0-41.1
- (no CPE)range: < 6.4.0-150700.7.37.2
- (no CPE)range: < 6.4.0-150700.7.37.1
Patches
Vulnerability mechanics
References
5- git.kernel.org/stable/c/0a1fbbd780f04d1b6cf48dd327c866ba937de1c4nvdPatch
- git.kernel.org/stable/c/3a9fd45afadec1fbfec72057b9473d509fa8b68cnvdPatch
- git.kernel.org/stable/c/3edd1f6c7c520536b62b2904807033597554dbacnvdPatch
- git.kernel.org/stable/c/6de3a371a8b9fd095198b1aa68c22cc10a4c6961nvdPatch
- git.kernel.org/stable/c/f8da41de0bff9eb1d774a7253da0c9f637c4470anvdPatch
News mentions
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