Vulnerability Monitor

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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.

Published

2021-03-26T17:15:12.203

Last Modified

2024-11-21T05:27:27.440

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 4.5 (MEDIUM)

CVSSv2 Vector

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

  • Access Vector: LOCAL
  • Access Complexity: MEDIUM
  • Authentication: NONE
  • Confidentiality Impact: PARTIAL
  • Integrity Impact: PARTIAL
  • Availability Impact: PARTIAL
Exploitability Score

3.4

Impact Score

6.4

Weaknesses
  • Type: Primary
    CWE-665
  • Type: Secondary
    CWE-362
    CWE-665
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System linux linux_kernel < 5.12 Yes
Operating System linux linux_kernel 5.12 Yes
Operating System linux linux_kernel 5.12 Yes
Operating System linux linux_kernel 5.12 Yes
Operating System linux linux_kernel 5.12 Yes
Operating System linux linux_kernel 5.12 Yes
Operating System redhat enterprise_linux 8.0 Yes
Operating System netapp a700s_firmware - Yes
Hardware netapp a700s - No
Operating System netapp brocade_fabric_operating_system_firmware - Yes
Operating System netapp fas8300_firmware - Yes
Hardware netapp fas8300 - No
Operating System netapp fas8700_firmware - Yes
Hardware netapp fas8700 - No
Operating System netapp aff_a400_firmware - Yes
Hardware netapp aff_a400 - No
Operating System netapp h300s_firmware - Yes
Hardware netapp h300s - No
Operating System netapp h500s_firmware - Yes
Hardware netapp h500s - No
Operating System netapp h700s_firmware - Yes
Hardware netapp h700s - No
Operating System netapp h300e_firmware - Yes
Hardware netapp h300e - No
Operating System netapp h500e_firmware - Yes
Hardware netapp h500e - No
Operating System netapp h700e_firmware - Yes
Hardware netapp h700e - No
Operating System netapp h410s_firmware - Yes
Hardware netapp h410s - No
Operating System netapp h410c_firmware - Yes
Hardware netapp h410c - No
Operating System netapp h610c_firmware - Yes
Hardware netapp h610c - No
Operating System netapp h610s_firmware - Yes
Hardware netapp h610s - No
Operating System netapp h615c_firmware - Yes
Hardware netapp h615c - No
References