UBUNTU-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.
02 / AFFECTED SOFTWARE
Affected packages
33 explicit affected versions
55 explicit affected versions
13 explicit affected versions
5 explicit affected versions
11 explicit affected versions
26 explicit affected versions
31 explicit affected versions
28 explicit affected versions
26 explicit affected versions
51 explicit affected versions
6 explicit affected versions
12 explicit affected versions
1 explicit affected versions
1 explicit affected versions
23 explicit affected versions
1 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
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
- https://github.com/torvalds/linux/commit/70feee0e1ef331b22cc51f383d532a0d043fbdcc
- https://ubuntu.com/security/CVE-2017-18221
- https://ubuntu.com/security/notices/USN-3655-1
- https://ubuntu.com/security/notices/USN-3655-2
- https://www.cve.org/CVERecord?id=CVE-2017-18221
- https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.11.4