SB2021052744 - Exposure of resource to wrong sphere in Linux kernel
Published: May 27, 2021
Security Bulletin ID
SB2021052744
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Exposure of resource to wrong sphere (CVE-ID: CVE-2008-2544)
CWE-ID: CWE-668 - Exposure of resource to wrong sphere
CVSSv4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N]
The vulnerability allows a local user to manipulate data.
Mounting /proc filesystem via chroot command silently mounts it in read-write mode. The user could bypass the chroot environment and gain write access to files, he would never have otherwise.
Remediation
Install update from vendor's website.