CVE-2021-33910

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. 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 controlled by a local attacker) that results in an operating system crash.

5.5 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

4.9 /10

CVSS v2.0 : MEDIUM

V2 Legend

Vector : AV:L/AC:L/Au:N/C:N/I:N/A:C

Exploitability : 3.9 / Impact : 6.9

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact COMPLETE

References
Link Resource
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
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/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/42TMJVNYRY65B4QCJICBYOEIVZV3KUYI/
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
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/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/42TMJVNYRY65B4QCJICBYOEIVZV3KUYI/
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
Configurations

Configuration 1 (hide)

OR cpe:2.3:a:systemd_project:systemd:*:*:*:*:*:*:*:*
cpe:2.3:a:systemd_project:systemd:*:*:*:*:*:*:*:*
cpe:2.3:a:systemd_project:systemd:*:*:*:*:*:*:*:*
cpe:2.3:a:systemd_project:systemd:*:*:*:*:*:*:*:*

Configuration 2 (hide)

OR cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*

Configuration 3 (hide)

cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*

Configuration 4 (hide)

OR cpe:2.3:a:netapp:hci_management_node:-:*:*:*:*:*:*:*
cpe:2.3:a:netapp:solidfire:-:*:*:*:*:*:*:*
History

21 Nov 2024, 06:09

Type Values Removed Values Added
References () http://packetstormsecurity.com/files/163621/Sequoia-A-Deep-Root-In-Linuxs-Filesystem-Layer.html - Exploit, Third Party Advisory, VDB Entry () http://packetstormsecurity.com/files/163621/Sequoia-A-Deep-Root-In-Linuxs-Filesystem-Layer.html - Exploit, Third Party Advisory, VDB Entry
References () http://www.openwall.com/lists/oss-security/2021/08/04/2 - Mailing List, Patch, Third Party Advisory () http://www.openwall.com/lists/oss-security/2021/08/04/2 - Mailing List, Patch, Third Party Advisory
References () http://www.openwall.com/lists/oss-security/2021/08/17/3 - Mailing List, Patch, Third Party Advisory () http://www.openwall.com/lists/oss-security/2021/08/17/3 - Mailing List, Patch, Third Party Advisory
References () http://www.openwall.com/lists/oss-security/2021/09/07/3 - Mailing List, Patch, Third Party Advisory () http://www.openwall.com/lists/oss-security/2021/09/07/3 - Mailing List, Patch, Third Party Advisory
References () https://cert-portal.siemens.com/productcert/pdf/ssa-222547.pdf - () https://cert-portal.siemens.com/productcert/pdf/ssa-222547.pdf -
References () https://github.com/systemd/systemd-stable/commit/4a1c5f34bd3e1daed4490e9d97918e504d19733b - Patch, Third Party Advisory () https://github.com/systemd/systemd-stable/commit/4a1c5f34bd3e1daed4490e9d97918e504d19733b - Patch, Third Party Advisory
References () https://github.com/systemd/systemd-stable/commit/764b74113e36ac5219a4b82a05f311b5a92136ce - Patch, Third Party Advisory () https://github.com/systemd/systemd-stable/commit/764b74113e36ac5219a4b82a05f311b5a92136ce - Patch, Third Party Advisory
References () https://github.com/systemd/systemd-stable/commit/b00674347337b7531c92fdb65590ab253bb57538 - Patch, Third Party Advisory () https://github.com/systemd/systemd-stable/commit/b00674347337b7531c92fdb65590ab253bb57538 - Patch, Third Party Advisory
References () https://github.com/systemd/systemd-stable/commit/cfd14c65374027b34dbbc4f0551456c5dc2d1f61 - Patch, Third Party Advisory () https://github.com/systemd/systemd-stable/commit/cfd14c65374027b34dbbc4f0551456c5dc2d1f61 - Patch, Third Party Advisory
References () https://github.com/systemd/systemd/commit/b34a4f0e6729de292cb3b0c03c1d48f246ad896b - Patch, Third Party Advisory () https://github.com/systemd/systemd/commit/b34a4f0e6729de292cb3b0c03c1d48f246ad896b - Patch, Third Party Advisory
References () https://github.com/systemd/systemd/pull/20256/commits/441e0115646d54f080e5c3bb0ba477c892861ab9 - Patch, Third Party Advisory () https://github.com/systemd/systemd/pull/20256/commits/441e0115646d54f080e5c3bb0ba477c892861ab9 - Patch, Third Party Advisory
References () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2LSDMHAKI4LGFOCSPXNVVSEWQFAVFWR7/ - () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2LSDMHAKI4LGFOCSPXNVVSEWQFAVFWR7/ -
References () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/42TMJVNYRY65B4QCJICBYOEIVZV3KUYI/ - () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/42TMJVNYRY65B4QCJICBYOEIVZV3KUYI/ -
References () https://security.gentoo.org/glsa/202107-48 - Third Party Advisory () https://security.gentoo.org/glsa/202107-48 - Third Party Advisory
References () https://security.netapp.com/advisory/ntap-20211104-0008/ - Third Party Advisory () https://security.netapp.com/advisory/ntap-20211104-0008/ - Third Party Advisory
References () https://www.debian.org/security/2021/dsa-4942 - Third Party Advisory () https://www.debian.org/security/2021/dsa-4942 - Third Party Advisory
References () https://www.openwall.com/lists/oss-security/2021/07/20/2 - Exploit, Mailing List, Third Party Advisory () https://www.openwall.com/lists/oss-security/2021/07/20/2 - Exploit, Mailing List, Third Party Advisory

14 Jun 2022, 11:15

Type Values Removed Values Added
References
  • (CONFIRM) https://cert-portal.siemens.com/productcert/pdf/ssa-222547.pdf -

28 Jan 2022, 21:19

Type Values Removed Values Added
CPE cpe:2.3:a:freedesktop:systemd:*:*:*:*:*:*:*:*

28 Jan 2022, 19:12

Type Values Removed Values Added
CPE cpe:2.3:a:systemd_project:systemd:*:*:*:*:*:*:*:*

23 Nov 2021, 21:44

Type Values Removed Values Added
References (MLIST) http://www.openwall.com/lists/oss-security/2021/09/07/3 - Mailing List, Third Party Advisory (MLIST) http://www.openwall.com/lists/oss-security/2021/09/07/3 - Mailing List, Patch, Third Party Advisory
References (CONFIRM) https://security.netapp.com/advisory/ntap-20211104-0008/ - (CONFIRM) https://security.netapp.com/advisory/ntap-20211104-0008/ - Third Party Advisory
References (MLIST) http://www.openwall.com/lists/oss-security/2021/08/17/3 - Mailing List, Third Party Advisory (MLIST) http://www.openwall.com/lists/oss-security/2021/08/17/3 - Mailing List, Patch, Third Party Advisory
References (MLIST) http://www.openwall.com/lists/oss-security/2021/08/04/2 - Mailing List, Third Party Advisory (MLIST) http://www.openwall.com/lists/oss-security/2021/08/04/2 - Mailing List, Patch, Third Party Advisory
CPE cpe:2.3:a:netapp:solidfire:-:*:*:*:*:*:*:*
cpe:2.3:a:netapp:hci_management_node:-:*:*:*:*:*:*:*

17 Nov 2021, 22:18

Type Values Removed Values Added
References
  • (CONFIRM) https://security.netapp.com/advisory/ntap-20211104-0008/ -

10 Nov 2021, 01:17

Type Values Removed Values Added
References
  • {'url': 'https://security.netapp.com/advisory/ntap-20211104-0008/', 'name': 'https://security.netapp.com/advisory/ntap-20211104-0008/', 'tags': [], 'refsource': 'CONFIRM'}

04 Nov 2021, 09:15

Type Values Removed Values Added
References
  • (CONFIRM) https://security.netapp.com/advisory/ntap-20211104-0008/ -

21 Sep 2021, 16:28

Type Values Removed Values Added
References (MLIST) http://www.openwall.com/lists/oss-security/2021/09/07/3 - (MLIST) http://www.openwall.com/lists/oss-security/2021/09/07/3 - Mailing List, Third Party Advisory
References (MLIST) http://www.openwall.com/lists/oss-security/2021/08/17/3 - (MLIST) http://www.openwall.com/lists/oss-security/2021/08/17/3 - Mailing List, Third Party Advisory
References (MLIST) http://www.openwall.com/lists/oss-security/2021/08/04/2 - (MLIST) http://www.openwall.com/lists/oss-security/2021/08/04/2 - Mailing List, Third Party Advisory

07 Sep 2021, 21:15

Type Values Removed Values Added
References
  • (MLIST) http://www.openwall.com/lists/oss-security/2021/09/07/3 -
  • (MLIST) http://www.openwall.com/lists/oss-security/2021/08/17/3 -

17 Aug 2021, 15:15

Type Values Removed Values Added
References
  • (MLIST) http://www.openwall.com/lists/oss-security/2021/08/04/2 -

29 Jul 2021, 17:50

Type Values Removed Values Added
References
  • (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/42TMJVNYRY65B4QCJICBYOEIVZV3KUYI/ - Mailing List, Third Party Advisory
References (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/2LSDMHAKI4LGFOCSPXNVVSEWQFAVFWR7/ - (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/2LSDMHAKI4LGFOCSPXNVVSEWQFAVFWR7/ - Mailing List, Third Party Advisory
References (GENTOO) https://security.gentoo.org/glsa/202107-48 - (GENTOO) https://security.gentoo.org/glsa/202107-48 - Third Party Advisory
References (MISC) https://github.com/systemd/systemd-stable/commit/4a1c5f34bd3e1daed4490e9d97918e504d19733b - (MISC) https://github.com/systemd/systemd-stable/commit/4a1c5f34bd3e1daed4490e9d97918e504d19733b - Patch, Third Party Advisory
References (MISC) https://github.com/systemd/systemd-stable/commit/b00674347337b7531c92fdb65590ab253bb57538 - (MISC) https://github.com/systemd/systemd-stable/commit/b00674347337b7531c92fdb65590ab253bb57538 - Patch, Third Party Advisory
References (MISC) http://packetstormsecurity.com/files/163621/Sequoia-A-Deep-Root-In-Linuxs-Filesystem-Layer.html - (MISC) http://packetstormsecurity.com/files/163621/Sequoia-A-Deep-Root-In-Linuxs-Filesystem-Layer.html - Exploit, Third Party Advisory, VDB Entry
References (MISC) https://github.com/systemd/systemd-stable/commit/cfd14c65374027b34dbbc4f0551456c5dc2d1f61 - (MISC) https://github.com/systemd/systemd-stable/commit/cfd14c65374027b34dbbc4f0551456c5dc2d1f61 - Patch, Third Party Advisory
References (MISC) https://github.com/systemd/systemd/pull/20256/commits/441e0115646d54f080e5c3bb0ba477c892861ab9 - (MISC) https://github.com/systemd/systemd/pull/20256/commits/441e0115646d54f080e5c3bb0ba477c892861ab9 - Patch, Third Party Advisory
References (MISC) https://www.openwall.com/lists/oss-security/2021/07/20/2 - (MISC) https://www.openwall.com/lists/oss-security/2021/07/20/2 - Exploit, Mailing List, Third Party Advisory
References (MISC) https://github.com/systemd/systemd/commit/b34a4f0e6729de292cb3b0c03c1d48f246ad896b - (MISC) https://github.com/systemd/systemd/commit/b34a4f0e6729de292cb3b0c03c1d48f246ad896b - Patch, Third Party Advisory
References (MISC) https://github.com/systemd/systemd-stable/commit/764b74113e36ac5219a4b82a05f311b5a92136ce - (MISC) https://github.com/systemd/systemd-stable/commit/764b74113e36ac5219a4b82a05f311b5a92136ce - Patch, Third Party Advisory
References (DEBIAN) https://www.debian.org/security/2021/dsa-4942 - (DEBIAN) https://www.debian.org/security/2021/dsa-4942 - Third Party Advisory
CWE CWE-770
CVSS v2 : unknown
v3 : unknown 		v2 : 4.9
v3 : 5.5
CPE cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
cpe:2.3:a:freedesktop:systemd:*:*:*:*:*:*:*:*

24 Jul 2021, 03:15

Type Values Removed Values Added
References
  • {'url': 'https://github.com/systemd/systemd/releases', 'name': 'https://github.com/systemd/systemd/releases', 'tags': [], 'refsource': 'MISC'}
  • (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/2LSDMHAKI4LGFOCSPXNVVSEWQFAVFWR7/ -
  • (MISC) https://github.com/systemd/systemd-stable/commit/4a1c5f34bd3e1daed4490e9d97918e504d19733b -
  • (MISC) https://github.com/systemd/systemd-stable/commit/b00674347337b7531c92fdb65590ab253bb57538 -
  • (MISC) https://github.com/systemd/systemd-stable/commit/cfd14c65374027b34dbbc4f0551456c5dc2d1f61 -
  • (MISC) https://github.com/systemd/systemd/commit/b34a4f0e6729de292cb3b0c03c1d48f246ad896b -
  • (MISC) https://github.com/systemd/systemd-stable/commit/764b74113e36ac5219a4b82a05f311b5a92136ce -

22 Jul 2021, 03:15

Type Values Removed Values Added
Summary basic/unit-name.c in systemd 220 through 248 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. 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
  • (MISC) http://packetstormsecurity.com/files/163621/Sequoia-A-Deep-Root-In-Linuxs-Filesystem-Layer.html -

21 Jul 2021, 18:15

Type Values Removed Values Added
References
  • (DEBIAN) https://www.debian.org/security/2021/dsa-4942 -

21 Jul 2021, 15:16

Type Values Removed Values Added
References
  • (GENTOO) https://security.gentoo.org/glsa/202107-48 -

20 Jul 2021, 19:15

Type Values Removed Values Added
New CVE
Information

Published : 2021-07-20 19:15

Updated : 2025-06-09 16:15

NVD link : CVE-2021-33910

Mitre link : CVE-2021-33910

CVE.ORG link : CVE-2021-33910

JSON object : View

Products Affected

systemd_project

  • systemd

netapp

  • solidfire
  • hci_management_node

debian

  • debian_linux

fedoraproject

  • fedora
CWE
CWE-770

Allocation of Resources Without Limits or Throttling