CVE-2020-35508

Description


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.

CvssV3 impact


BaseSeverity

MEDIUM

ConfidentialityImpact

LOW

AttackComplexity

HIGH

Scope

UNCHANGED

AttackVector

LOCAL

AvailabilityImpact

LOW

IntegrityImpact

LOW

PrivilegesRequired

LOW

BaseScore

4.5

VectorString

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L

Version

3.1

UserInteraction

NONE

CvssV2 impact


AccessComplexity

MEDIUM

ConfidentialityImpact

PARTIAL

AvailabilityImpact

PARTIAL

IntegrityImpact

PARTIAL

BaseScore

4.4

VectorString

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

Version

2.0

AccessVector

LOCAL

Authentication

NONE