VDB
CVE-2021-33910
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 0.05% · 17.1th percentile
Risk Scores
EPSS Score
0.05%
17.1th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:20.04:LTS | systemd | 242-7ubuntu3, 243-2ubuntu1, 244-3ubuntu1 |
| Ubuntu:Pro:16.04:LTS | systemd | 228-6ubuntu1, 229-4ubuntu1, 229-4ubuntu5 |
| Ubuntu:18.04:LTS | systemd | 235-2ubuntu3, 235-3ubuntu2, 237-3ubuntu3 |
Exploit Intelligence
- http://packetstormsecurity.com/files/163621/Sequoia-A-Deep-Root-In-Linuxs-Filesystem-Layer.html (nist-nvd)
- https://www.openwall.com/lists/oss-security/2021/07/20/2 (nist-nvd)
- CVE-2025-38062.yara (github-yara)
- CVE-2025-38062.yara (github-yara)
- CVE-2025-38062.yara (github-yara)
- CVE-2025-38062.yara (github-yara)
- CVE-2025-38062.yara (github-yara)
- CVE-2025-38062.yara (github-yara)
- glcve_test.go (github-poc)
- glcve_test.go (github-poc)
…and 4 more exploits
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 15, 2022 EPSS Score
- Feb 4, 2022 EPSS Score
- Mar 16, 2022 EPSS Score
- Apr 1, 2022 EPSS Score
- May 14, 2022 EPSS Score
- Sep 11, 2022 EPSS Score
- Nov 9, 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