CVE-2021-33910

Name
CVE-2021-33910
Description
basic/unit-name.c in systemd prior to 246.15, 247.8, 248.5, and 249.1 has a Memory Allocation with an Excessive Size Value (involving strdupa and alloca for a pathname controlled by a local attacker) that results in an operating system crash.
NVD Severity
medium
Other trackers
Mailing lists
Exploits
Forges
GitHub (code, issues), Aports (code, issues)

References

Type URI
MISC https://github.com/systemd/systemd/releases
MISC https://github.com/systemd/systemd/pull/20256/commits/441e0115646d54f080e5c3bb0ba477c892861ab9
MISC https://www.openwall.com/lists/oss-security/2021/07/20/2
GENTOO https://security.gentoo.org/glsa/202107-48
DEBIAN https://www.debian.org/security/2021/dsa-4942
MISC http://packetstormsecurity.com/files/163621/Sequoia-A-Deep-Root-In-Linuxs-Filesystem-Layer.html
MISC https://github.com/systemd/systemd-stable/commit/764b74113e36ac5219a4b82a05f311b5a92136ce
MISC https://github.com/systemd/systemd-stable/commit/4a1c5f34bd3e1daed4490e9d97918e504d19733b
FEDORA https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/2LSDMHAKI4LGFOCSPXNVVSEWQFAVFWR7/
MISC https://github.com/systemd/systemd-stable/commit/b00674347337b7531c92fdb65590ab253bb57538
MISC https://github.com/systemd/systemd/commit/b34a4f0e6729de292cb3b0c03c1d48f246ad896b
MISC https://github.com/systemd/systemd-stable/commit/cfd14c65374027b34dbbc4f0551456c5dc2d1f61
FEDORA https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/42TMJVNYRY65B4QCJICBYOEIVZV3KUYI/
Mailing List http://www.openwall.com/lists/oss-security/2021/08/04/2
Mailing List http://www.openwall.com/lists/oss-security/2021/08/17/3
Mailing List http://www.openwall.com/lists/oss-security/2021/09/07/3
CONFIRM https://security.netapp.com/advisory/ntap-20211104-0008/

Match rules

CPE URI Source package Min version Max version
cpe:2.3:a:freedesktop:systemd:*:*:*:*:*:*:*:* systemd >= None < 246.15
cpe:2.3:a:freedesktop:systemd:*:*:*:*:*:*:*:* systemd >= 247 < 247.8
cpe:2.3:a:freedesktop:systemd:*:*:*:*:*:*:*:* systemd >= 248 < 248.5
cpe:2.3:a:freedesktop:systemd:*:*:*:*:*:*:*:* systemd >= 249 < 249.1

Vulnerable and fixed packages

Source package Branch Version Maintainer Status