Memory leak in Linux kernel - CVE-2012-2390
Published: June 13, 2012 / Updated: August 11, 2020
Vulnerability identifier: #VU43985
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2012-2390
CWE-ID: CWE-401
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within mm/hugetlb.c in the Linux kernel before 3.4.2 allows local users to cause a denial of service (memory consumption or system crash) via invalid MAP_HUGETLB mmap operations. A remote attacker can perform a denial of service attack.
How to mitigate CVE-2012-2390
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.
Sources
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=c50ac050811d6485616a193eb0f37bfbd191cc89
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.4.2
- http://www.openwall.com/lists/oss-security/2012/05/23/14
- http://www.ubuntu.com/usn/USN-1515-1
- http://www.ubuntu.com/usn/USN-1535-1
- https://bugzilla.redhat.com/show_bug.cgi?id=824345
- https://github.com/torvalds/linux/commit/c50ac050811d6485616a193eb0f37bfbd191cc89