CVE-2016-9191

Severity: medium (CVSS 5.5 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2016-11-28 · updated 2026-06-17
Weakness: CWE-20

Description

The cgroup offline implementation in the Linux kernel through 4.8.11 mishandles certain drain operations, which allows local users to cause a denial of service (system hang) by leveraging access to a container environment for executing a crafted application, as demonstrated by trinity.

Affected products

Linux kernel: through 4.8.11

References

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=93362fa47fe98b62e4a34ab408c4a418432e7939
http://www.debian.org/security/2017/dsa-3791
http://www.openwall.com/lists/oss-security/2016/11/05/4
http://www.securityfocus.com/bid/94129
https://bugzilla.redhat.com/show_bug.cgi?id=1392439
https://github.com/torvalds/linux/commit/93362fa47fe98b62e4a34ab408c4a418432e7939
https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03802en_us
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=93362fa47fe98b62e4a34ab408c4a418432e7939
http://www.debian.org/security/2017/dsa-3791
http://www.openwall.com/lists/oss-security/2016/11/05/4
http://www.securityfocus.com/bid/94129
https://bugzilla.redhat.com/show_bug.cgi?id=1392439

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