CVE-2021-33910 — Vulnetix

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CVE-2021-33910 PUBLISHED

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.

EPSS 0.08% · 23.4th percentile

Risk Scores

EPSS Score

0.08%

23.4th percentile

Affected Products

Vendor	Product	Versions
Ubuntu:20.04:LTS	systemd	245.4-4ubuntu3.7, 245.4-4ubuntu3.6, 245.4-4ubuntu3.5
Ubuntu:Pro:16.04:LTS	systemd	229-4ubuntu5, 229-4ubuntu6, 229-4ubuntu7
Ubuntu:18.04:LTS	systemd	237-3ubuntu10.19, 237-3ubuntu10.20, 237-3ubuntu10.21

Timeline

Jul 20, 2021 CVE Published
Jul 21, 2021 EPSS Score
Jul 22, 2021 EPSS Score
Sep 18, 2021 EPSS Score
Jan 6, 2022 EPSS Score
Jan 13, 2022 EPSS Score
Feb 4, 2022 EPSS Score
Mar 13, 2022 EPSS Score
Apr 1, 2022 EPSS Score
May 11, 2022 EPSS Score
Sep 7, 2022 EPSS Score
Nov 5, 2022 EPSS Score

References

https://ubuntu.com/security/CVE-2021-33910 third-party-advisory
https://ubuntu.com/security/notices/USN-5013-1 vendor-advisory
https://ubuntu.com/security/notices/USN-5013-2 vendor-advisory
https://www.cve.org/CVERecord?id=CVE-2021-33910 third-party-advisory

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