#VU43042 Resource management error in Linux kernel - CVE-2011-2479
Published: March 1, 2013 / Updated: August 11, 2020
Vulnerability identifier: #VU43042
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2011-2479
CWE-ID: CWE-399
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
The vulnerability allows a local authenticated user to perform a denial of service (DoS) attack.
The Linux kernel before 2.6.39 does not properly create transparent huge pages in response to a MAP_PRIVATE mmap system call on /dev/zero, which allows local users to cause a denial of service (system crash) via a crafted application.
Remediation
Install update from vendor's website.
External links
- http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=78f11a255749d09025f54d4e2df4fbcb031530e2
- http://www.openwall.com/lists/oss-security/2011/06/20/14
- https://bugzilla.redhat.com/show_bug.cgi?id=714761
- https://github.com/torvalds/linux/commit/78f11a255749d09025f54d4e2df4fbcb031530e2