CVE-2013-4516

Public Exploit

Description

The mp_get_count function in drivers/staging/sb105x/sb_pci_mp.c in the Linux kernel before 3.12 does not initialize a certain data structure, which allows local users to obtain sensitive information from kernel stack memory via a TIOCGICOUNT ioctl call.

Category

4.9
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 0.03%
Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.ubuntu.com/usn/USN-2073-1 vendor advisory
https://www.kernel.org/pub/linux/kernel/v3.x/patch-3.12.bz2 patch
http://www.ubuntu.com/usn/USN-2069-1 vendor advisory
http://www.ubuntu.com/usn/USN-2070-1 vendor advisory
https://github.com/torvalds/linux/commit/a8b33654b1e3b0c74d4a1fed041c9aae50b3c427 patch exploit
http://www.openwall.com/lists/oss-security/2013/11/04/22 mailing list
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=a8b33654b1e3b0c74d4a1fed041c9aae50b3c427
http://www.ubuntu.com/usn/USN-2075-1 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2013-4516?
CVE-2013-4516 has been scored as a medium severity vulnerability.
How to fix CVE-2013-4516?
To fix CVE-2013-4516, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2013-4516 being actively exploited in the wild?
It is possible that CVE-2013-4516 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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