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.
References
Link Providers
http://packetstormsecurity.com/files/163621/Sequoia-A-Deep-Root-In-Linuxs-Filesystem-Layer.html cve-icon cve-icon
http://www.openwall.com/lists/oss-security/2021/08/04/2 cve-icon cve-icon
http://www.openwall.com/lists/oss-security/2021/08/17/3 cve-icon cve-icon
http://www.openwall.com/lists/oss-security/2021/09/07/3 cve-icon cve-icon
https://cert-portal.siemens.com/productcert/pdf/ssa-222547.pdf cve-icon cve-icon
https://github.com/systemd/systemd-stable/commit/4a1c5f34bd3e1daed4490e9d97918e504d19733b cve-icon cve-icon
https://github.com/systemd/systemd-stable/commit/764b74113e36ac5219a4b82a05f311b5a92136ce cve-icon cve-icon
https://github.com/systemd/systemd-stable/commit/b00674347337b7531c92fdb65590ab253bb57538 cve-icon cve-icon
https://github.com/systemd/systemd-stable/commit/cfd14c65374027b34dbbc4f0551456c5dc2d1f61 cve-icon cve-icon
https://github.com/systemd/systemd/commit/b34a4f0e6729de292cb3b0c03c1d48f246ad896b cve-icon cve-icon
https://github.com/systemd/systemd/pull/20256/commits/441e0115646d54f080e5c3bb0ba477c892861ab9 cve-icon cve-icon
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2LSDMHAKI4LGFOCSPXNVVSEWQFAVFWR7/ cve-icon cve-icon
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/42TMJVNYRY65B4QCJICBYOEIVZV3KUYI/ cve-icon cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2021-33910 cve-icon
https://security.gentoo.org/glsa/202107-48 cve-icon cve-icon
https://security.netapp.com/advisory/ntap-20211104-0008/ cve-icon cve-icon
https://www.cve.org/CVERecord?id=CVE-2021-33910 cve-icon
https://www.debian.org/security/2021/dsa-4942 cve-icon cve-icon
https://www.openwall.com/lists/oss-security/2021/07/20/2 cve-icon cve-icon
https://www.qualys.com/2021/07/20/cve-2021-33910/denial-of-service-systemd.txt cve-icon
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2021-07-20T18:13:49

Updated: 2024-08-04T00:05:51.738Z

Reserved: 2021-06-07T00:00:00

Link: CVE-2021-33910

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2021-07-20T19:15:09.783

Modified: 2023-11-07T03:35:56.160

Link: CVE-2021-33910

cve-icon Redhat

Severity : Important

Publid Date: 2021-07-20T12:00:00Z

Links: CVE-2021-33910 - Bugzilla