CVE-2021-3739

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2021-3739
A NULL pointer dereference flaw was found in the btrfs_rm_device function in fs/btrfs/volumes.c in the Linux Kernel, where triggering the bug requires ‘CAP_SYS_ADMIN’. This flaw allows a local attacker to crash the system or leak kernel internal information. The highest threat from this vulnerability is to system availability.

7.1 /10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 5.2

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

3.6 /10

CVSS v2.0 : LOW

V2 Legend

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

Exploitability : 3.9 / Impact : 4.9

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact PARTIAL

References
Link Resource
https://bugzilla.redhat.com/show_bug.cgi?id=1997958 Issue Tracking Patch Third Party Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=e4571b8c5e9ffa1e85c0c671995bd4dcc5c75091 Mailing List Patch Vendor Advisory
https://github.com/torvalds/linux/commit/e4571b8c5e9ffa1e85c0c671995bd4dcc5c75091 Exploit Patch Third Party Advisory
https://security.netapp.com/advisory/ntap-20220407-0006/ Third Party Advisory
https://ubuntu.com/security/CVE-2021-3739 Third Party Advisory
https://www.openwall.com/lists/oss-security/2021/08/25/3 Mailing List Patch Third Party Advisory
Configurations

Configuration 1 (hide)

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

Configuration 2 (hide)

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

Configuration 3 (hide)

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

Configuration 4 (hide)

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

Configuration 5 (hide)

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

Configuration 6 (hide)

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

Configuration 7 (hide)

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

Configuration 8 (hide)

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

Configuration 9 (hide)

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

Configuration 10 (hide)

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

01 Jun 2022, 20:30

Type Values Removed Values Added
CPE cpe:2.3:o:netapp:baseboard_management_controller_h500s_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:netapp:baseboard_management_controller_h700s_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:baseboard_management_controller_h500e:-:*:*:*:*:*:*:*
cpe:2.3:o:netapp:baseboard_management_controller_h410s_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
cpe:2.3:h:netapp:baseboard_management_controller_h410c:-:*:*:*:*:*:*:*
cpe:2.3:o:netapp:baseboard_management_controller_h300s_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:netapp:baseboard_management_controller_h300e_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:netapp:baseboard_management_controller_h700e_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:baseboard_management_controller_h300e:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:baseboard_management_controller_h700e:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:baseboard_management_controller_h410s:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:baseboard_management_controller_h500s:-:*:*:*:*:*:*:*
cpe:2.3:o:netapp:baseboard_management_controller_h500e_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:baseboard_management_controller_h700s:-:*:*:*:*:*:*:*
cpe:2.3:o:netapp:baseboard_management_controller_h410c_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:baseboard_management_controller_h300s:-:*:*:*:*:*:*:*
References (CONFIRM) https://security.netapp.com/advisory/ntap-20220407-0006/ - (CONFIRM) https://security.netapp.com/advisory/ntap-20220407-0006/ - Third Party Advisory

08 Apr 2022, 00:15

Type Values Removed Values Added
References
  • (CONFIRM) https://security.netapp.com/advisory/ntap-20220407-0006/ -

14 Mar 2022, 23:53

Type Values Removed Values Added
References (MISC) https://ubuntu.com/security/CVE-2021-3739 - (MISC) https://ubuntu.com/security/CVE-2021-3739 - Third Party Advisory
References (MISC) https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=e4571b8c5e9ffa1e85c0c671995bd4dcc5c75091 - (MISC) https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=e4571b8c5e9ffa1e85c0c671995bd4dcc5c75091 - Mailing List, Patch, Vendor Advisory
References (MISC) https://bugzilla.redhat.com/show_bug.cgi?id=1997958 - (MISC) https://bugzilla.redhat.com/show_bug.cgi?id=1997958 - Issue Tracking, Patch, Third Party Advisory
References (MISC) https://www.openwall.com/lists/oss-security/2021/08/25/3 - (MISC) https://www.openwall.com/lists/oss-security/2021/08/25/3 - Mailing List, Patch, Third Party Advisory
References (MISC) https://github.com/torvalds/linux/commit/e4571b8c5e9ffa1e85c0c671995bd4dcc5c75091 - (MISC) https://github.com/torvalds/linux/commit/e4571b8c5e9ffa1e85c0c671995bd4dcc5c75091 - Exploit, Patch, Third Party Advisory
CWE CWE-476
CVSS v2 : unknown
v3 : unknown 		v2 : 3.6
v3 : 7.1
CPE cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

10 Mar 2022, 17:54

Type Values Removed Values Added
New CVE
Information

Published : 2022-03-10 17:43

Updated : 2024-02-04 22:29

NVD link : CVE-2021-3739

Mitre link : CVE-2021-3739

CVE.ORG link : CVE-2021-3739

JSON object : View

Products Affected

netapp

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

fedoraproject

  • fedora

linux

  • linux_kernel
CWE
CWE-476

NULL Pointer Dereference