7.2 High
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:C/I:C/A:C
0.001 Low
EPSS
Percentile
47.0%
CVE-2014-3153 Futex requeue exploit
Important to Low
Canonical Ubuntu
The futex_requeue function in kernel/futex.c in the Linux kernel through 3.14.5 does not ensure that calls have two different futex addresses, which allows local users to gain privileges via a crafted FUTEX_REQUEUE command that facilitates unsafe waiter modification. An unprivileged user could use this flaw to crash the kernel (resulting in denial of service) or for privilege escalation.
_Severity is important unless otherwise noted.
_
Users of affected versions should apply the following mitigation:
Many thanks to Pinkie Pie, the anonymous researcher who first discovered and reported this issue.