CVE-2021-33910 (GCVE-0-2021-33910)
Vulnerability from cvelistv5
Published
2021-07-20 18:13
Modified
2025-06-09 15:44
Severity ?
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE
  • n/a
Summary
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
https://github.com/systemd/systemd/pull/20256/commits/441e0115646d54f080e5c3bb0ba477c892861ab9 x_refsource_MISC
https://www.openwall.com/lists/oss-security/2021/07/20/2 x_refsource_MISC
https://security.gentoo.org/glsa/202107-48 vendor-advisory, x_refsource_GENTOO
https://www.debian.org/security/2021/dsa-4942 vendor-advisory, x_refsource_DEBIAN
http://packetstormsecurity.com/files/163621/Sequoia-A-Deep-Root-In-Linuxs-Filesystem-Layer.html x_refsource_MISC
https://github.com/systemd/systemd/commit/b34a4f0e6729de292cb3b0c03c1d48f246ad896b x_refsource_MISC
https://github.com/systemd/systemd-stable/commit/cfd14c65374027b34dbbc4f0551456c5dc2d1f61 x_refsource_MISC
https://github.com/systemd/systemd-stable/commit/b00674347337b7531c92fdb65590ab253bb57538 x_refsource_MISC
https://github.com/systemd/systemd-stable/commit/4a1c5f34bd3e1daed4490e9d97918e504d19733b x_refsource_MISC
https://github.com/systemd/systemd-stable/commit/764b74113e36ac5219a4b82a05f311b5a92136ce x_refsource_MISC
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2LSDMHAKI4LGFOCSPXNVVSEWQFAVFWR7/ vendor-advisory, x_refsource_FEDORA
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/42TMJVNYRY65B4QCJICBYOEIVZV3KUYI/ vendor-advisory, x_refsource_FEDORA
http://www.openwall.com/lists/oss-security/2021/08/04/2 mailing-list, x_refsource_MLIST
http://www.openwall.com/lists/oss-security/2021/08/17/3 mailing-list, x_refsource_MLIST
http://www.openwall.com/lists/oss-security/2021/09/07/3 mailing-list, x_refsource_MLIST
https://security.netapp.com/advisory/ntap-20211104-0008/ x_refsource_CONFIRM
https://cert-portal.siemens.com/productcert/pdf/ssa-222547.pdf x_refsource_CONFIRM
Impacted products
Vendor Product Version
n/a n/a Version: n/a
Show details on NVD website

To clipboard 

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