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.

References

• https://nvd.nist.gov/vuln/detail/CVE-2011-2517
• torvalds/linux@208c72f
• https://bugzilla.redhat.com/show_bug.cgi?id=718152
• 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
• http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=208c72f4fe44fe09577e7975ba0e7fa0278f3d03