Description
The do_tkill function in kernel/signal.c in the Linux kernel before 3.8.9 does not initialize a certain data structure, which allows local users to obtain sensitive information from kernel memory via a crafted application that makes a (1) tkill or (2) tgkill system call.
References (12)
Core 12
Core References
Patch x_refsource_confirm
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=b9e146d8eb3b9ecae5086d373b50fa0c1f3e7f0f
Vendor Advisory x_refsource_confirm
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.8.9
Issue Tracking x_refsource_confirm
https://bugzilla.redhat.com/show_bug.cgi?id=970873
Vendor Advisory vendor-advisory
x_refsource_ubuntu
http://www.ubuntu.com/usn/USN-1899-1
Vendor Advisory vendor-advisory
x_refsource_mandriva
http://www.mandriva.com/security/advisories?name=MDVSA-2013:176
Mailing List mailing-list
x_refsource_mlist
http://www.openwall.com/lists/oss-security/2013/06/04/10
Exploit, Patch x_refsource_confirm
https://github.com/torvalds/linux/commit/b9e146d8eb3b9ecae5086d373b50fa0c1f3e7f0f
Third Party Advisory vendor-advisory
x_refsource_debian
http://www.debian.org/security/2013/dsa-2766
Mailing List vendor-advisory
x_refsource_suse
http://lists.opensuse.org/opensuse-updates/2013-12/msg00129.html
Vendor Advisory vendor-advisory
x_refsource_redhat
http://rhn.redhat.com/errata/RHSA-2013-1801.html
Third Party Advisory third-party-advisory
x_refsource_secunia
http://secunia.com/advisories/55055
Vendor Advisory vendor-advisory
x_refsource_ubuntu
http://www.ubuntu.com/usn/USN-1900-1
Scores
EPSS
0.0003
EPSS Percentile
8.8%
Details
CWE
CWE-399
Status
published
Products (9)
linux/linux_kernel
3.8.0
linux/linux_kernel
3.8.1
linux/linux_kernel
3.8.2
linux/linux_kernel
3.8.3
linux/linux_kernel
3.8.4
linux/linux_kernel
3.8.5
linux/linux_kernel
3.8.6
linux/linux_kernel
3.8.7
linux/linux_kernel
< 3.8.8
Published
Jun 07, 2013
Tracked Since
Feb 18, 2026