CVE-2021-33910
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…
Published Jul 20, 2021 · updated Oct 14, 2026 · systemd project systemd
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.
Timeline
Detection, updates, and resolution for this record.
Jul 20, 2021 · NIST NVD
Detected
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.
Oct 14, 2026 · NIST NVD
Updated
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.
Affected
- cpe debian/debian linux10.0
- cpe fedoraproject/fedora33
- cpe fedoraproject/fedora34
- cpe netapp/hci management nodeversion unspecified
- cpe systemd project/systemdversion unspecified
Sources
- CVE.orgCVE-2021-33910
Official CVE identifier
cve.org - NIST NVDCVE-2021-33910
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.nist.gov