CVEvulnerability
CVE-2021-33910
5.5 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2021-07-20
- Last modified
- 2026-10-14
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
- 5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- CVSS 2.0 ([email protected])
- 4.9 MEDIUM — AV:L/AC:L/Au:N/C:N/I:N/A:C
- Weaknesses
- CWE-770
Description
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 configurations
• systemd project systemd (< 246.15)
• systemd project systemd (>= 247 < 247.8)
• systemd project systemd (>= 248 < 248.5)
• systemd project systemd (>= 249 < 249.1)
• fedoraproject fedora 33
• fedoraproject fedora 34
• debian debian linux 10.0
• netapp hci management node
• netapp solidfire
Related
Weakness · CWE (1)
- CWE-770 Allocation of Resources Without Limits or Throttling weakness
References
- http://packetstormsecurity.com/files/163621/Sequoia-A-Deep-Root-In-Linuxs-Filesystem-Layer.html Exploit, Third Party Advisory, VDB Entry
- http://www.openwall.com/lists/oss-security/2021/08/04/2 Mailing List, Patch, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2021/08/17/3 Mailing List, Patch, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2021/09/07/3 Mailing List, Patch, Third Party Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-222547.pdf cert-portal.siemens.com
- https://github.com/systemd/systemd-stable/commit/4a1c5f34bd3e1daed4490e9d97918e504d19733b Patch, Third Party Advisory
- https://github.com/systemd/systemd-stable/commit/764b74113e36ac5219a4b82a05f311b5a92136ce Patch, Third Party Advisory
- https://github.com/systemd/systemd-stable/commit/b00674347337b7531c92fdb65590ab253bb57538 Patch, Third Party Advisory
- https://github.com/systemd/systemd-stable/commit/cfd14c65374027b34dbbc4f0551456c5dc2d1f61 Patch, Third Party Advisory
- https://github.com/systemd/systemd/commit/b34a4f0e6729de292cb3b0c03c1d48f246ad896b Patch, Third Party Advisory
- https://github.com/systemd/systemd/pull/20256/commits/441e0115646d54f080e5c3bb0ba477c892861ab9 Patch, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2LSDMHAKI4LGFOCSPXNVVSEWQFAVFWR7/ lists.fedoraproject.org
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/42TMJVNYRY65B4QCJICBYOEIVZV3KUYI/ lists.fedoraproject.org
- https://security.gentoo.org/glsa/202107-48 Third Party Advisory
- https://security.netapp.com/advisory/ntap-20211104-0008/ Third Party Advisory
- https://www.debian.org/security/2021/dsa-4942 Third Party Advisory
- https://www.openwall.com/lists/oss-security/2021/07/20/2 Exploit, Mailing List, Third Party Advisory
- http://packetstormsecurity.com/files/163621/Sequoia-A-Deep-Root-In-Linuxs-Filesystem-Layer.html Exploit, Third Party Advisory, VDB Entry
- http://www.openwall.com/lists/oss-security/2021/08/04/2 Mailing List, Patch, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2021/08/17/3 Mailing List, Patch, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2021/09/07/3 Mailing List, Patch, Third Party Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-222547.pdf cert-portal.siemens.com
- https://github.com/systemd/systemd-stable/commit/4a1c5f34bd3e1daed4490e9d97918e504d19733b Patch, Third Party Advisory
- https://github.com/systemd/systemd-stable/commit/764b74113e36ac5219a4b82a05f311b5a92136ce Patch, Third Party Advisory
- https://github.com/systemd/systemd-stable/commit/b00674347337b7531c92fdb65590ab253bb57538 Patch, Third Party Advisory
- https://github.com/systemd/systemd-stable/commit/cfd14c65374027b34dbbc4f0551456c5dc2d1f61 Patch, Third Party Advisory
- https://github.com/systemd/systemd/commit/b34a4f0e6729de292cb3b0c03c1d48f246ad896b Patch, Third Party Advisory
- https://github.com/systemd/systemd/pull/20256/commits/441e0115646d54f080e5c3bb0ba477c892861ab9 Patch, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2LSDMHAKI4LGFOCSPXNVVSEWQFAVFWR7/ lists.fedoraproject.org
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/42TMJVNYRY65B4QCJICBYOEIVZV3KUYI/ lists.fedoraproject.org
- https://security.gentoo.org/glsa/202107-48 Third Party Advisory
- https://security.netapp.com/advisory/ntap-20211104-0008/ Third Party Advisory
- https://www.debian.org/security/2021/dsa-4942 Third Party Advisory
- https://www.openwall.com/lists/oss-security/2021/07/20/2 Exploit, Mailing List, Third Party Advisory
- https://cert-portal.siemens.com/productcert/html/ssa-222547.html cert-portal.siemens.com
- https://cert-portal.siemens.com/productcert/html/ssa-398330.html cert-portal.siemens.com