CVE-2021-2022

NameCVE-2021-2022
DescriptionVulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB). Supported versions that are affected are 5.6.50 and prior, 5.7.32 and prior and 8.0.22 and prior. Difficult to exploit vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. CVSS 3.1 Base Score 4.4 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H).
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
NVD severitymedium
Debian Bugs980795, 981194

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
mariadb-10.1 (PTS)stretch10.1.45-0+deb9u1vulnerable
stretch (security)10.1.48-0+deb9u2fixed
mariadb-10.3 (PTS)buster1:10.3.31-0+deb10u1fixed
buster (security)1:10.3.25-0+deb10u1fixed
mariadb-10.5 (PTS)bullseye1:10.5.12-0+deb11u1fixed
bookworm, sid1:10.5.12-1fixed
mysql-8.0 (PTS)sid8.0.23-3fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
mariadb-10.1sourcestretch10.1.47-0+deb9u1
mariadb-10.1source(unstable)(unfixed)
mariadb-10.3sourcebuster1:10.3.25-0+deb10u1
mariadb-10.3source(unstable)1:10.3.24-1
mariadb-10.5source(unstable)1:10.5.5-1
mysql-5.7source(unstable)(unfixed)981194
mysql-8.0source(unstable)8.0.23-1980795

Notes

Fixed in MariaDB 10.5.5, 10.4.14, 10.3.24, 10.2.33, 10.1.46

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