SB2013042218 - Information disclosure in Linux kernel
Published: April 22, 2013 Updated: August 11, 2020
Security Bulletin ID
SB2013042218
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Information disclosure (CVE-ID: CVE-2013-3237)
The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.
The vsock_stream_sendmsg function in net/vmw_vsock/af_vsock.c in the Linux kernel before 3.9-rc7 does not initialize a certain length variable, which allows local users to obtain sensitive information from kernel stack memory via a crafted recvmsg or recvfrom system call.
Remediation
Install update from vendor's website.