CVE-2020-35508

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2020-35508
A flaw possibility of race condition and incorrect initialization of the process id was found in the Linux kernel child/parent process identification handling while filtering signal handlers. A local attacker is able to abuse this flaw to bypass checks to send any signal to a privileged process.

4.5 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 1.0 / Impact : 3.4

Attack Vector LOCAL

Attack Complexity HIGH

Privileges Required LOW

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact LOW

Scope UNCHANGED

4.4 /10

CVSS v2.0 : MEDIUM

V2 Legend

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

Exploitability : 3.4 / Impact : 6.4

Access Vector LOCAL

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References
Link Resource
https://bugzilla.redhat.com/show_bug.cgi?id=1902724 Issue Tracking Patch Third Party Advisory
https://github.com/torvalds/linux/commit/b4e00444cab4c3f3fec876dc0cccc8cbb0d1a948 Patch Third Party Advisory
https://security.netapp.com/advisory/ntap-20210513-0006/ Third Party Advisory
Configurations

Configuration 1 (hide)

OR cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.12:-:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.12:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.12:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.12:rc3:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.12:rc4:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*

Configuration 3 (hide)

AND
cpe:2.3:o:netapp:a700s_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:a700s:-:*:*:*:*:*:*:*

Configuration 4 (hide)

cpe:2.3:o:netapp:brocade_fabric_operating_system_firmware:-:*:*:*:*:*:*:*

Configuration 5 (hide)

AND
cpe:2.3:o:netapp:fas8300_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:fas8300:-:*:*:*:*:*:*:*

Configuration 6 (hide)

AND
cpe:2.3:o:netapp:fas8700_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:fas8700:-:*:*:*:*:*:*:*

Configuration 7 (hide)

AND
cpe:2.3:o:netapp:aff_a400_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:aff_a400:-:*:*:*:*:*:*:*

Configuration 8 (hide)

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

Configuration 9 (hide)

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

Configuration 10 (hide)

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

Configuration 11 (hide)

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

Configuration 12 (hide)

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

Configuration 13 (hide)

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

Configuration 14 (hide)

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

Configuration 15 (hide)

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

Configuration 16 (hide)

AND
cpe:2.3:o:netapp:h610c_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:h610c:-:*:*:*:*:*:*:*

Configuration 17 (hide)

AND
cpe:2.3:o:netapp:h610s_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:h610s:-:*:*:*:*:*:*:*

Configuration 18 (hide)

AND
cpe:2.3:o:netapp:h615c_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:h615c:-:*:*:*:*:*:*:*
History

12 Feb 2023, 23:41

Type Values Removed Values Added
References
  • {'url': 'https://access.redhat.com/errata/RHSA-2021:2719', 'name': 'https://access.redhat.com/errata/RHSA-2021:2719', 'tags': [], 'refsource': 'MISC'}
  • {'url': 'https://access.redhat.com/errata/RHSA-2021:2718', 'name': 'https://access.redhat.com/errata/RHSA-2021:2718', 'tags': [], 'refsource': 'MISC'}
  • {'url': 'https://access.redhat.com/errata/RHSA-2021:1578', 'name': 'https://access.redhat.com/errata/RHSA-2021:1578', 'tags': [], 'refsource': 'MISC'}
  • {'url': 'https://access.redhat.com/security/cve/CVE-2020-35508', 'name': 'https://access.redhat.com/security/cve/CVE-2020-35508', 'tags': [], 'refsource': 'MISC'}
  • {'url': 'https://access.redhat.com/errata/RHSA-2021:1739', 'name': 'https://access.redhat.com/errata/RHSA-2021:1739', 'tags': [], 'refsource': 'MISC'}
CWE CWE-362

02 Feb 2023, 21:20

Type Values Removed Values Added
References
  • (MISC) https://access.redhat.com/errata/RHSA-2021:2719 -
  • (MISC) https://access.redhat.com/errata/RHSA-2021:2718 -
  • (MISC) https://access.redhat.com/errata/RHSA-2021:1578 -
  • (MISC) https://access.redhat.com/security/cve/CVE-2020-35508 -
  • (MISC) https://access.redhat.com/errata/RHSA-2021:1739 -

05 Aug 2022, 17:43

Type Values Removed Values Added
CWE CWE-362

16 Dec 2021, 20:42

Type Values Removed Values Added
CPE cpe:2.3:h:netapp:fas8300:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:h615c:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:h610c:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:a700s:-:*:*:*:*:*:*:*
cpe:2.3:o:netapp:h300s_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:netapp:h410s_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:netapp:aff_a400_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:netapp:h410c_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:netapp:h500e_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:netapp:h500s_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:h500e:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:h410s:-:*:*:*:*:*:*:*
cpe:2.3:o:netapp:fas8700_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:netapp:h610c_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:fas8700:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:h700e:-:*:*:*:*:*:*:*
cpe:2.3:o:netapp:a700s_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:netapp:brocade_fabric_operating_system_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:h300s:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:h500s:-:*:*:*:*:*:*:*
cpe:2.3:o:netapp:h615c_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:netapp:h700s_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:netapp:fas8300_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:netapp:h700e_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:h300e:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:h410c:-:*:*:*:*:*:*:*
cpe:2.3:o:netapp:h610s_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:aff_a400:-:*:*:*:*:*:*:*
cpe:2.3:o:netapp:h300e_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:h610s:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:h700s:-:*:*:*:*:*:*:*
References (CONFIRM) https://security.netapp.com/advisory/ntap-20210513-0006/ - (CONFIRM) https://security.netapp.com/advisory/ntap-20210513-0006/ - Third Party Advisory

13 May 2021, 21:15

Type Values Removed Values Added
References
  • (CONFIRM) https://security.netapp.com/advisory/ntap-20210513-0006/ -

12 Apr 2021, 17:42

Type Values Removed Values Added
CVSS v2 : 4.4
v3 : 7.0 		v2 : 4.4
v3 : 4.5

31 Mar 2021, 17:59

Type Values Removed Values Added
CPE cpe:2.3:o:linux:linux_kernel:5.12:rc4:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.12:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.12:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.12:-:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.12:rc3:*:*:*:*:*:*
CVSS v2 : unknown
v3 : unknown 		v2 : 4.4
v3 : 7.0
References (MISC) https://github.com/torvalds/linux/commit/b4e00444cab4c3f3fec876dc0cccc8cbb0d1a948 - (MISC) https://github.com/torvalds/linux/commit/b4e00444cab4c3f3fec876dc0cccc8cbb0d1a948 - Patch, Third Party Advisory
References (MISC) https://bugzilla.redhat.com/show_bug.cgi?id=1902724 - (MISC) https://bugzilla.redhat.com/show_bug.cgi?id=1902724 - Issue Tracking, Patch, Third Party Advisory

26 Mar 2021, 17:18

Type Values Removed Values Added
New CVE
Information

Published : 2021-03-26 17:15

Updated : 2023-12-10 13:55

NVD link : CVE-2020-35508

Mitre link : CVE-2020-35508

CVE.ORG link : CVE-2020-35508

JSON object : View

Products Affected

netapp

  • h700s_firmware
  • h610c_firmware
  • h410s
  • h615c_firmware
  • h500e_firmware
  • brocade_fabric_operating_system_firmware
  • h500e
  • h615c
  • a700s
  • h700e_firmware
  • h300s
  • h700s
  • h610s_firmware
  • h610c
  • h300e
  • h700e
  • h410s_firmware
  • fas8300_firmware
  • fas8700
  • h500s
  • h300s_firmware
  • a700s_firmware
  • h410c
  • h500s_firmware
  • h300e_firmware
  • fas8700_firmware
  • fas8300
  • h610s
  • aff_a400
  • h410c_firmware
  • aff_a400_firmware

redhat

  • enterprise_linux

linux

  • linux_kernel
CWE
CWE-665

Improper Initialization

CWE-362

Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')