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.

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

Details

Risk Information

CVSS v2

CVSS v3