Resource management error in Linux kernel - CVE-2012-4467
Published: October 11, 2012 / Updated: August 11, 2020
Vulnerability identifier: #VU43402
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2012-4467
CWE-ID: CWE-399
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The vulnerability allows a remote non-authenticated attacker to #BASIC_IMPACT#.
The (1) do_siocgstamp and (2) do_siocgstampns functions in net/socket.c in the Linux kernel before 3.5.4 use an incorrect argument order, which allows local users to obtain sensitive information from kernel memory or cause a denial of service (system crash) via a crafted ioctl call.
How to mitigate CVE-2012-4467
Install update from vendor's website.
Sources
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=ed6fe9d614fc1bca95eb8c0ccd0e92db00ef9d5d
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.5.4
- http://www.openwall.com/lists/oss-security/2012/10/04/2
- http://www.securityfocus.com/bid/55785
- https://github.com/torvalds/linux/commit/ed6fe9d614fc1bca95eb8c0ccd0e92db00ef9d5d