CVE-2017-6874

Description

Race condition in kernel/ucount.c in the Linux kernel through 4.10.2 allows local users to cause a denial of service (use-after-free and system crash) or possibly have unspecified other impact via crafted system calls that leverage certain decrement behavior that causes incorrect interaction between put_ucounts and get_ucounts.

Category

7.0
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.09%
Third-Party Advisory kernel.org Third-Party Advisory securityfocus.com Third-Party Advisory github.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=040757f738e13caaa9c5078bca79aa97e11dde88 issue tracking third party advisory patch
http://www.securityfocus.com/bid/96856 vdb entry third party advisory
https://github.com/torvalds/linux/commit/040757f738e13caaa9c5078bca79aa97e11dde88 issue tracking third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2017-6874?
CVE-2017-6874 has been scored as a high severity vulnerability.
How to fix CVE-2017-6874?
To fix CVE-2017-6874, 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-2017-6874 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2017-6874 is being actively exploited. 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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