CVE-2017-15951

HighCVSS 7.8/10Last modified Jun 17, 2026

Description

The KEYS subsystem in the Linux kernel before 4.13.10 does not correctly synchronize the actions of updating versus finding a key in the "negative" state to avoid a race condition, which allows local users to cause a denial of service or possibly have unspecified other impact via crafted system calls.

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-20

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=363b02dab09b3226f3bd1420dad9c72b79a42a76Issue Tracking, Patch, Third Party Advisory
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.13.10Release Notes, Vendor Advisory
http://www.securityfocus.com/bid/101621Third Party Advisory, VDB Entry
https://github.com/torvalds/linux/commit/363b02dab09b3226f3bd1420dad9c72b79a42a76Issue Tracking, Patch, Third Party Advisory
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=363b02dab09b3226f3bd1420dad9c72b79a42a76Issue Tracking, Patch, Third Party Advisory
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.13.10Release Notes, Vendor Advisory
http://www.securityfocus.com/bid/101621Third Party Advisory, VDB Entry
https://github.com/torvalds/linux/commit/363b02dab09b3226f3bd1420dad9c72b79a42a76Issue Tracking, Patch, Third Party Advisory

Timeline

Published: Oct 28, 2017
Last modified: Jun 17, 2026
NVD status: Modified

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