CVE-2016-9313

Public Exploit

Description

security/keys/big_key.c in the Linux kernel before 4.8.7 mishandles unsuccessful crypto registration in conjunction with successful key-type registration, which allows local users to cause a denial of service (NULL pointer dereference and panic) or possibly have unspecified other impact via a crafted application that uses the big_key data type.

Category

7.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.39%
Third-Party Advisory kernel.org Third-Party Advisory openwall.com Third-Party Advisory securityfocus.com Third-Party Advisory github.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.openwall.com/lists/oss-security/2016/07/22/1 mailing list third party advisory exploit
https://github.com/torvalds/linux/commit/7df3e59c3d1df4f87fe874c7956ef7a3d2f4d5fb patch third party advisory issue tracking
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.8.7 release notes
http://www.securityfocus.com/bid/94546 third party advisory vdb entry
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=7df3e59c3d1df4f87fe874c7956ef7a3d2f4d5fb patch third party advisory issue tracking

Frequently Asked Questions

What is the severity of CVE-2016-9313?
CVE-2016-9313 has been scored as a high severity vulnerability.
How to fix CVE-2016-9313?
To fix CVE-2016-9313, 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-2016-9313 being actively exploited in the wild?
It is possible that CVE-2016-9313 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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