CVE-2022-31622

NameCVE-2022-31622
DescriptionMariaDB Server before 10.7 is vulnerable to Denial of Service. In extra/mariabackup/ds_compress.cc, when an error occurs (pthread_create returns a nonzero value) while executing the method create_worker_threads, the held lock is not released correctly, which allows local users to trigger a denial of service due to the deadlock. Note: The vendor argues this is just an improper locking bug and not a vulnerability with adverse effects.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
mariadb-10.5 (PTS)bullseye1:10.5.23-0+deb11u1fixed
bullseye (security)1:10.5.26-0+deb11u2fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
mariadb-10.1source(unstable)(unfixed)
mariadb-10.3sourcebuster1:10.3.34-0+deb10u1
mariadb-10.3source(unstable)(unfixed)
mariadb-10.5sourcebullseye1:10.5.15-0+deb11u1
mariadb-10.5source(unstable)(unfixed)
mariadb-10.6source(unstable)1:10.6.6-1

Notes

MariaDB bug: https://jira.mariadb.org/browse/MDEV-26561
Fixed in MariaDB: 10.2.42, 10.3.33, 10.4.23, 10.5.14, 10.6.6, 10.7.2
MariaDB commit: https://github.com/MariaDB/server/commit/e1eb39a446c30b8459c39fd7f2ee1c55a36e97d2 (mariadb-10.2.42)
In earlier version (<< 10.2) file affected was named extra/mariabackup/ds_compress.c instead of extra/mariabackup/ds_compress.cc

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