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.
Related CPE's
a
systemd_project
systemd
o
fedoraproject
fedora
References
http://packetstormsecurity.com/files/163621/Sequoia-A-Deep-Root-In-Linuxs-Filesystem-Layer.html
http://www.openwall.com/lists/oss-security/2021/08/04/2
http://www.openwall.com/lists/oss-security/2021/08/17/3
http://www.openwall.com/lists/oss-security/2021/09/07/3
https://github.com/systemd/systemd-stable/commit/4a1c5f34bd3e1daed4490e9d97918e504d19733b
https://github.com/systemd/systemd-stable/commit/764b74113e36ac5219a4b82a05f311b5a92136ce
https://github.com/systemd/systemd-stable/commit/b00674347337b7531c92fdb65590ab253bb57538
https://github.com/systemd/systemd-stable/commit/cfd14c65374027b34dbbc4f0551456c5dc2d1f61
https://github.com/systemd/systemd/commit/b34a4f0e6729de292cb3b0c03c1d48f246ad896b
https://github.com/systemd/systemd/pull/20256/commits/441e0115646d54f080e5c3bb0ba477c892861ab9
https://security.gentoo.org/glsa/202107-48
https://security.netapp.com/advisory/ntap-20211104-0008/
https://www.debian.org/security/2021/dsa-4942
https://www.openwall.com/lists/oss-security/2021/07/20/2
CVSS impact metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
5.5 · Medium
CVSS V3.1
CVSS V3.0
CVSS V2.0
Information
Source identifier
Vulnerability status
Modified
Published
2021-07-20T19:15:09.783
3 years agoLast modified
2023-11-07T03:35:56.160
1 year ago