SB2019071907 - Resource management error in Linux kernel

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Main Vulnerability Database SB2019071907

SB2019071907 - Resource management error in Linux kernel

Published: July 19, 2019 Updated: May 30, 2020

Security Bulletin ID SB2019071907
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Resource management error (CVE-ID: CVE-2019-13648)

The vulnerability allows a local attacker to perform a denial of service (DoS) attack.

The vulnerability exists in the "arch/powerpc/kernel/signal_32.c" and "arch/powerpc/kernel/signal_64.c" files on the PowerPC platform, when hardware transactional memory is disabled. A local authenticated attacker can make a "sigreturn()" system call that sends a signal frame that sends a signal frame that submits malicious input to the targeted system and cause a denial of service condition.


Remediation

Install update from vendor's website.

References