Buffer overflow in Linux kernel - CVE-2011-2517
Published: May 25, 2012 / Updated: August 11, 2020
Vulnerability identifier: #VU44037
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2011-2517
CWE-ID: CWE-119
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 execute arbitrary code.
Multiple buffer overflows in net/wireless/nl80211.c in the Linux kernel before 2.6.39.2 allow local users to gain privileges by leveraging the CAP_NET_ADMIN capability during scan operations with a long SSID value.
How to mitigate CVE-2011-2517
Install update from vendor's website.
Sources
- http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39.2
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=208c72f4fe44fe09577e7975ba0e7fa0278f3d03
- http://rhn.redhat.com/errata/RHSA-2011-1212.html
- http://www.openwall.com/lists/oss-security/2011/07/01/4
- https://bugzilla.redhat.com/show_bug.cgi?id=718152
- https://github.com/torvalds/linux/commit/208c72f4fe44fe09577e7975ba0e7fa0278f3d03