CVE-2021-4150

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2021-4150
A use-after-free flaw was found in the add_partition in block/partitions/core.c in the Linux kernel. A local attacker with user privileges could cause a denial of service on the system. The issue results from the lack of code cleanup when device_add call fails when adding a partition to the disk.

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
https://bugzilla.redhat.com/show_bug.cgi?id=2025938 Issue Tracking Third Party Advisory
https://lkml.org/lkml/2021/10/18/485 Exploit Third Party Advisory
https://lkml.org/lkml/2021/9/6/781 Exploit Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2025938 Issue Tracking Third Party Advisory
https://lkml.org/lkml/2021/10/18/485 Exploit Third Party Advisory
https://lkml.org/lkml/2021/9/6/781 Exploit Third Party Advisory
Configurations

Configuration 1 (hide)

OR cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.15:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.15:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.15:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.15:rc3:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.15:rc4:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.15:rc5:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.15:rc6:*:*:*:*:*:*
History

21 Nov 2024, 06:37

Type Values Removed Values Added
References () https://bugzilla.redhat.com/show_bug.cgi?id=2025938 - Issue Tracking, Third Party Advisory () https://bugzilla.redhat.com/show_bug.cgi?id=2025938 - Issue Tracking, Third Party Advisory
References () https://lkml.org/lkml/2021/10/18/485 - Exploit, Third Party Advisory () https://lkml.org/lkml/2021/10/18/485 - Exploit, Third Party Advisory
References () https://lkml.org/lkml/2021/9/6/781 - Exploit, Third Party Advisory () https://lkml.org/lkml/2021/9/6/781 - Exploit, Third Party Advisory

22 Jun 2022, 15:55

Type Values Removed Values Added
CPE cpe:2.3:a:linux:linux_kernel:5.15:rc5:*:*:*:*:*:*
cpe:2.3:a:linux:linux_kernel:5.15:rc3:*:*:*:*:*:*
cpe:2.3:a:linux:linux_kernel:5.15:rc4:*:*:*:*:*:*
cpe:2.3:a:linux:linux_kernel:5.15:rc6:*:*:*:*:*:*
cpe:2.3:a:linux:linux_kernel:5.15:rc1:*:*:*:*:*:*
cpe:2.3:a:linux:linux_kernel:5.15:rc2:*:*:*:*:*:*
cpe:2.3:a:linux:linux_kernel:5.15:*:*:*:*:*:*:*
cpe:2.3:a:linux:linux_kernel:*:*:*:*:*:*:*:*		 cpe:2.3:o:linux:linux_kernel:5.15:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.15:rc6:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.15:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.15:rc4:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.15:rc3:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.15:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.15:rc5:*:*:*:*:*:*

30 Mar 2022, 20:02

Type Values Removed Values Added
References (MISC) https://lkml.org/lkml/2021/10/18/485 - (MISC) https://lkml.org/lkml/2021/10/18/485 - Exploit, Third Party Advisory
References (MISC) https://lkml.org/lkml/2021/9/6/781 - (MISC) https://lkml.org/lkml/2021/9/6/781 - Exploit, Third Party Advisory
References (MISC) https://bugzilla.redhat.com/show_bug.cgi?id=2025938 - (MISC) https://bugzilla.redhat.com/show_bug.cgi?id=2025938 - Issue Tracking, Third Party Advisory
CPE cpe:2.3:a:linux:linux_kernel:5.15:rc1:*:*:*:*:*:*
cpe:2.3:a:linux:linux_kernel:5.15:*:*:*:*:*:*:*
cpe:2.3:a:linux:linux_kernel:5.15:rc2:*:*:*:*:*:*
cpe:2.3:a:linux:linux_kernel:5.15:rc6:*:*:*:*:*:*
cpe:2.3:a:linux:linux_kernel:5.15:rc5:*:*:*:*:*:*
cpe:2.3:a:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:a:linux:linux_kernel:5.15:rc4:*:*:*:*:*:*
cpe:2.3:a:linux:linux_kernel:5.15:rc3:*:*:*:*:*:*
CVSS v2 : unknown
v3 : unknown 		v2 : 4.9
v3 : 5.5
CWE CWE-416

23 Mar 2022, 20:15

Type Values Removed Values Added
New CVE
Information

Published : 2022-03-23 20:15

Updated : 2024-11-21 06:37

NVD link : CVE-2021-4150

Mitre link : CVE-2021-4150

CVE.ORG link : CVE-2021-4150

JSON object : View

Products Affected

linux

  • linux_kernel
CWE
CWE-416

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