Security tracker / CVE-2025-21693

CVE-2025-21693

mm: zswap: properly synchronize freeing resources during CPU hotunplug

References

• Debian security tracker
• cve.org

Notes

 carnil> Introduced in 1ec3b5fe6eec ("mm/zswap: move to use crypto_acomp API for
 carnil> hardware acceleration"). Vulnerable versions: 5.11-rc1.

Bugs

Status

Branch	Status
upstream	released (6.13) [12dcb0ef540629a281533f9dedc1b6b8e14cfb65]
6.18-upstream-stable	N/A "Fixed before branching point"
6.17-upstream-stable	N/A "Fixed before branching point"
6.12-upstream-stable	released (6.12.12) [8d29ff5d50304daa41dc3cfdda4a9d1e46cf5be1]
6.6-upstream-stable	needed
6.1-upstream-stable	needed
5.10-upstream-stable	N/A "Vulnerable code not present"
sid	released (6.12.12-1)
6.12-trixie-security	N/A "Fixed before branching point"
6.1-bookworm-security	needed
5.10-bullseye-security	N/A "Vulnerable code not present"