CVE-2021-45868

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2021-45868
In the Linux kernel before 5.15.3, fs/quota/quota_tree.c does not validate the block number in the quota tree (on disk). This can, for example, lead to a kernel/locking/rwsem.c use-after-free if there is a corrupted quota file.

5.5 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

4.3 /10

CVSS v2.0 : MEDIUM

V2 Legend

Vector : AV:N/AC:M/Au:N/C:N/I:N/A:P

Exploitability : 8.6 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References
Link Resource
https://bugzilla.kernel.org/show_bug.cgi?id=214655 Exploit Issue Tracking Vendor Advisory
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.3 Mailing List Release Notes Vendor Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=9bf3d20331295b1ecb81f4ed9ef358c51699a050 Mailing List Patch Vendor Advisory
https://security.netapp.com/advisory/ntap-20220419-0003/ Third Party Advisory
https://www.openwall.com/lists/oss-security/2022/03/17/1 Exploit Mailing List Patch Third Party Advisory
https://www.openwall.com/lists/oss-security/2022/03/17/2 Exploit Mailing List Patch Third Party Advisory
Configurations

Configuration 1 (hide)

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

Configuration 2 (hide)

AND
cpe:2.3:o:netapp:h300s_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:h300s:-:*:*:*:*:*:*:*

Configuration 3 (hide)

AND
cpe:2.3:o:netapp:h700s_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:h700s:-:*:*:*:*:*:*:*

Configuration 4 (hide)

AND
cpe:2.3:o:netapp:h300e_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:h300e:-:*:*:*:*:*:*:*

Configuration 5 (hide)

AND
cpe:2.3:o:netapp:h500e_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:h500e:-:*:*:*:*:*:*:*

Configuration 6 (hide)

AND
cpe:2.3:o:netapp:h700e_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:h700e:-:*:*:*:*:*:*:*

Configuration 7 (hide)

AND
cpe:2.3:o:netapp:h410s_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:h410s:-:*:*:*:*:*:*:*

Configuration 8 (hide)

AND
cpe:2.3:o:netapp:h410c_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:h410c:-:*:*:*:*:*:*:*

Configuration 9 (hide)

AND
cpe:2.3:o:netapp:h500s_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:h500s:-:*:*:*:*:*:*:*
History

04 Feb 2023, 00:00

Type Values Removed Values Added
CPE cpe:2.3:a:linux:linux_kernel:*:*:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

27 Apr 2022, 19:58

Type Values Removed Values Added
References (CONFIRM) https://security.netapp.com/advisory/ntap-20220419-0003/ - (CONFIRM) https://security.netapp.com/advisory/ntap-20220419-0003/ - Third Party Advisory
First Time Netapp h300e
Netapp h410s
Netapp h410c
Netapp h410s Firmware
Netapp h700s
Netapp
Netapp h410c Firmware
Netapp h500e Firmware
Netapp h700e Firmware
Netapp h300e Firmware
Netapp h500s Firmware
Netapp h300s Firmware
Netapp h700s Firmware
Netapp h500e
Netapp h700e
Netapp h500s
Netapp h300s
CPE cpe:2.3:h:netapp:h700e:-:*:*:*:*:*:*:*
cpe:2.3:o:netapp:h410s_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:h500s:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:h410s:-:*:*:*:*:*:*:*
cpe:2.3:o:netapp:h300e_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:netapp:h300s_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:h700s:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:h500e:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:h300e:-:*:*:*:*:*:*:*
cpe:2.3:o:netapp:h410c_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:netapp:h700e_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:netapp:h500e_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:h300s:-:*:*:*:*:*:*:*
cpe:2.3:o:netapp:h500s_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:netapp:h700s_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:h410c:-:*:*:*:*:*:*:*

19 Apr 2022, 19:15

Type Values Removed Values Added
References
  • (CONFIRM) https://security.netapp.com/advisory/ntap-20220419-0003/ -

23 Mar 2022, 20:34

Type Values Removed Values Added
CPE cpe:2.3:a:linux:linux_kernel:*:*:*:*:*:*:*:*
CWE CWE-416
CVSS v2 : unknown
v3 : unknown 		v2 : 4.3
v3 : 5.5
References (MISC) https://www.openwall.com/lists/oss-security/2022/03/17/2 - (MISC) https://www.openwall.com/lists/oss-security/2022/03/17/2 - Exploit, Mailing List, Patch, Third Party Advisory
References (MISC) https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=9bf3d20331295b1ecb81f4ed9ef358c51699a050 - (MISC) https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=9bf3d20331295b1ecb81f4ed9ef358c51699a050 - Mailing List, Patch, Vendor Advisory
References (MISC) https://www.openwall.com/lists/oss-security/2022/03/17/1 - (MISC) https://www.openwall.com/lists/oss-security/2022/03/17/1 - Exploit, Mailing List, Patch, Third Party Advisory
References (MISC) https://bugzilla.kernel.org/show_bug.cgi?id=214655 - (MISC) https://bugzilla.kernel.org/show_bug.cgi?id=214655 - Exploit, Issue Tracking, Vendor Advisory
References (MISC) https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.3 - (MISC) https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.3 - Mailing List, Release Notes, Vendor Advisory
First Time Linux linux Kernel
Linux

18 Mar 2022, 07:15

Type Values Removed Values Added
New CVE
Information

Published : 2022-03-18 07:15

Updated : 2023-12-10 14:22

NVD link : CVE-2021-45868

Mitre link : CVE-2021-45868

CVE.ORG link : CVE-2021-45868

JSON object : View

Products Affected

netapp

  • h410c
  • h700e
  • h700s_firmware
  • h410s
  • h300e_firmware
  • h410c_firmware
  • h500s_firmware
  • h500s
  • h300s
  • h700s
  • h700e_firmware
  • h300s_firmware
  • h410s_firmware
  • h500e_firmware
  • h300e
  • h500e

linux

  • linux_kernel
CWE
CWE-416

Use After Free