CVE-2017-18221

MediumCVSS 5.5/10Last modified Jun 17, 2026

Description

The __munlock_pagevec function in mm/mlock.c in the Linux kernel before 4.11.4 allows local users to cause a denial of service (NR_MLOCK accounting corruption) via crafted use of mlockall and munlockall system calls.

Metrics

CVSS 3.0 5.5/10CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/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=70feee0e1ef331b22cc51f383d532a0d043fbdccPatch, Vendor Advisory
http://www.securityfocus.com/bid/103321Third Party Advisory, VDB Entry
https://github.com/torvalds/linux/commit/70feee0e1ef331b22cc51f383d532a0d043fbdccPatch, Third Party Advisory
https://usn.ubuntu.com/3655-1/
https://usn.ubuntu.com/3655-2/
https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.11.4Release Notes, Vendor Advisory
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=70feee0e1ef331b22cc51f383d532a0d043fbdccPatch, Vendor Advisory
http://www.securityfocus.com/bid/103321Third Party Advisory, VDB Entry
https://github.com/torvalds/linux/commit/70feee0e1ef331b22cc51f383d532a0d043fbdccPatch, Third Party Advisory
https://usn.ubuntu.com/3655-1/
https://usn.ubuntu.com/3655-2/
https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.11.4Release Notes, Vendor Advisory

Timeline

Published: Mar 7, 2018
Last modified: Jun 17, 2026
NVD status: Modified

Related CVEs from 2017

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