CVE-2017-18221
N/A
Published: March 7, 2018 at 08:00 AM UTC
Updated: June 17, 2026 at 01:12 AM UTC
1 product affected across 1 vendorLinux Kernel
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Severity
N/A
Exploit prediction
EPSS 0.5%
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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 4.11.4
Affected range stops below 4.11.4, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=70feee0e1ef331b22cc51f383d532a0d043fbdcc
- 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
References (6)
x_refsource_MISCPatchVendor Advisory
Source: [email protected]
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=70feee0e1ef331b22cc51f383d532a0d043fbdccVDB Entryx_refsource_BIDThird Party Advisory
Source: [email protected]
http://www.securityfocus.com/bid/103321x_refsource_MISCPatchThird Party Advisory
Source: [email protected]
https://github.com/torvalds/linux/commit/70feee0e1ef331b22cc51f383d532a0d043fbdccx_refsource_MISCRelease NotesVendor Advisory
Source: [email protected]
https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.11.4Quick Info
StatusMODIFIED
CWE
CWE-20
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