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CVE record · CVE-2022-49547

btrfs: fix deadlock between concurrent dio writes when low on free data space

CVSS 5.5 MediumEPSS 0.0017 · 6th percentile

Published by the CVE Program (CNA: Linux) at 26 Feb 2025, 02:13 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
VendorProductVersions
Linux Linux
  • affected f0bfa76a11e93d0fe2c896fcb566568c5e8b5d3f to before cfae6f765b3c40882ee90dae8fbf9325c8de9c35 git
  • affected f0bfa76a11e93d0fe2c896fcb566568c5e8b5d3f to before f5585f4f0ef5b17026bbd60fbff6fcc91b99d5bf git
  • affected 5afd80c393f4e87451f14eefb7f2f24daf434e06 git
  • affected 96f1be29492d9e2fb97bb27f824478ab8cd3ab86 git
  • affected 5.15.27 to before 5.16 semver
  • affected 5.16.13 to before 5.17 semver
Other versions: unaffected
Linux Linux
  • affected 5.17
  • unaffected before 5.17 semver
  • unaffected 5.18.3 to 5.18.*, inclusive semver
  • unaffected 5.19 to *, inclusive original_commit_for_fix
Other versions: affected
Identifiers
CVE-2022-49547
CNA
Linux
Weakness (CWE)
CWE-667
Tags
Published
26 Feb 2025
Updated
23 May 2026

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

ScoreRatingCVSSVectorSource
5.5 Medium 3.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H ADP (CISA-ADP)
  • CISA KEV Not listed.
  • EPSS 0.0017, the 6th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 26 Feb 2025. New records show when each source confirmed them.

Sources

References from the CNA

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.