Security tracker / CVE-2025-21807

CVE-2025-21807

block: fix queue freeze vs limits lock order in sysfs store methods

References

• Debian security tracker
• cve.org

Notes

 carnil> Introduced in ff956a3be95b ("block: use queue_limits_commit_update in
 carnil> queue_discard_max_store")
 carnil> 0327ca9d53bf ("block: use queue_limits_commit_update in
 carnil> queue_max_sectors_store"). Vulnerable versions: 6.9-rc1.

Bugs

Status

Branch	Status
upstream	released (6.14-rc1) [c99f66e4084a62a2cc401c4704a84328aeddc9ec]
6.18-upstream-stable	N/A "Fixed before branching point"
6.17-upstream-stable	N/A "Fixed before branching point"
6.13-upstream-stable	released (6.13.2) [8985da5481562e96b95e94ed8e5cc9b6565eb82b]
6.12-upstream-stable	needed
6.6-upstream-stable	N/A "Vulnerable code not present"
6.1-upstream-stable	N/A "Vulnerable code not present"
5.10-upstream-stable	N/A "Vulnerable code not present"
sid	released (6.16.3-1)
6.12-trixie-security	needed
6.1-bookworm-security	N/A "Vulnerable code not present"
5.10-bullseye-security	N/A "Vulnerable code not present"