SB2019112827 - Out-of-bounds read in Linux kernel ext4

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Main Vulnerability Database SB2019112827

SB2019112827 - Out-of-bounds read in Linux kernel ext4

Published: November 28, 2019

Security Bulletin ID SB2019112827
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Out-of-bounds read (CVE-ID: CVE-2019-19319)

The vulnerability allows a local privileged user to execute arbitrary code.

The vulnerability exists due to an out-of-bounds read error within the __check_block_validity() function in fs/ext4/inode.c, within the debug_print_tree() and ext4_setup_system_zone() functions in fs/ext4/block_validity.c. A local privileged user can execute arbitrary code.


Remediation

Install update from vendor's website.

References