SB2017061929 - Buffer overflow in Linux kernel
Published: June 19, 2017 Updated: August 8, 2020
Security Bulletin ID
SB2017061929
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Buffer overflow (CVE-ID: CVE-2017-1000377)
The vulnerability allows a remote non-authenticated attacker to read and manipulate data.
An issue was discovered in the size of the default stack guard page on PAX Linux (originally from GRSecurity but shipped by other Linux vendors), specifically the default stack guard page is not sufficiently large and can be "jumped" over (the stack guard page is bypassed), this affects PAX Linux Kernel versions as of June 19, 2017 (specific version information is not available at this time).
Remediation
Install update from vendor's website.