CVE record · CVE-2025-21809

rxrpc, afs: Fix peer hash locking vs RCU callback

CVSS 7.5 HighEPSS 0.0032 · 24th percentile

Published by the CVE Program (CNA: Linux) at 27 Feb 2025, 20:01 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
Vendor	Product	Versions
Linux	Linux	affected 72904d7b9bfbf2dd146254edea93958bc35bbbfe to before 10ba5a3d57af20e494e0d979d1894260989235dd git affected 72904d7b9bfbf2dd146254edea93958bc35bbbfe to before 0e77dd41689637ac4e1b8fe0f27541f373640855 git affected 72904d7b9bfbf2dd146254edea93958bc35bbbfe to before 79d458c13056559d49b5e41fbc4b6890e68cf65b git affected 056fc740be000d39a7dba700a935f3bbfbc664e6 git affected 6.7.3 to before 6.8 semver Other versions: unaffected
Linux	Linux	affected 6.8 unaffected before 6.8 semver unaffected 6.12.13 to 6.12., inclusive semver unaffected 6.13.2 to 6.13., inclusive semver unaffected 6.14 to *, inclusive original_commit_for_fix Other versions: affected

Identifiers: CVE-2025-21809
CNA: Linux
Weakness (CWE): CWE-667
Tags: Linux kernel
CWE-667
Published: 27 Feb 2025
Updated: 5 Aug 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

Score	Rating	CVSS	Vector	Source
7.5	High	3.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	CNA (Linux)Used for this record
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 0.0032, the 24th 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 27 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.