CVE-2017-18221
Moderate
CVE-2017-18221
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.
Exploit probability
0.5%
Published
March 7, 2018
Required by
Not available
Last source change
March 15, 2026
02 / AFFECTED SOFTWARE
Affected packages
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
Open Source Vulnerabilities
CVE-2017-18221
View original source
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.
05 / REFERENCES
Further evidence
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=70feee0e1ef331b22cc51f383d532a0d043fbdcc
- http://www.securityfocus.com/bid/103321
- https://github.com/torvalds/linux/commit/70feee0e1ef331b22cc51f383d532a0d043fbdcc
- https://usn.ubuntu.com/3655-1/
- https://usn.ubuntu.com/3655-2/
- https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.11.4