SB20240620124 - Security restrictions bypass in Linux kernel x86 entry
Published: June 20, 2024
Security Bulletin ID
SB20240620124
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Security restrictions bypass (CVE-ID: CVE-2015-3290)
CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Clear
The vulnerability allows a local user to execute arbitrary code.
The vulnerability exists due to security restrictions bypass within the entry() function in arch/x86/entry/entry_64.s. A local user can execute arbitrary code.
Remediation
Install update from vendor's website.
References
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.1.6
- http://www.openwall.com/lists/oss-security/2015/08/04/8
- https://github.com/torvalds/linux/commit/9b6e6a8334d56354853f9c255d1395c2ba570e0a
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9b6e6a8334d56354853f9c255d1395c2ba570e0a
- https://bugzilla.redhat.com/show_bug.cgi?id=1243465
- http://www.openwall.com/lists/oss-security/2015/07/22/7
- http://www.securityfocus.com/bid/76004
- http://www.ubuntu.com/usn/USN-2691-1
- http://www.ubuntu.com/usn/USN-2690-1
- http://www.ubuntu.com/usn/USN-2689-1
- http://www.ubuntu.com/usn/USN-2688-1
- http://www.ubuntu.com/usn/USN-2687-1
- http://www.debian.org/security/2015/dsa-3313
- http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00011.html
- https://www.exploit-db.com/exploits/37722/