⚠ Actively exploited
Added to CISA KEV on 2022-05-25. Federal agencies required to patch by 2022-06-15. Required action: Apply updates per vendor instructions..
CVE-2014-3153
Severity
7.8HIGH
EPSS
68.9%
top 1.37%
CISA KEV
KEV
Added 2022-05-25
Due 2022-06-15
Exploit
Exploited in wild
Active exploitation observed
Affected products
Timeline
PublishedJun 7
KEV addedMay 25
KEV dueJun 15
CISA Required Action: Apply updates per vendor instructions.
Description
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9
Affected Packages9 packages
Also affects: Ubuntu Linux 12.04, 14.04, Enterprise Linux 6.2
Patches
🔴Vulnerability Details
6Kernel▶
futex-prevent-requeue-pi-on-same-futex.patch futex: Forbid uaddr == uaddr2 in futex_requeue(..., requeue_pi=1)↗2014-06-03