The blkcg_init_queue function in block/blk-cgroup.c in the Linux kernel before 4.11 allows local users to cause a denial of service (double free) or possibly have unspecified other impact by triggering a creation failure.
https://www.debian.org/security/2018/dsa-4188
https://usn.ubuntu.com/3656-1/
https://usn.ubuntu.com/3654-2/
https://usn.ubuntu.com/3654-1/
https://github.com/torvalds/linux/commit/9b54d816e00425c3a517514e0d677bb3cec49258
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9b54d816e00425c3a517514e0d677bb3cec49258
Source: Mitre, NVD
Published: 2018-02-25
Updated: 2024-11-21
Base Score: 7.2
Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C
Severity: High
Base Score: 7.8
Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS: 0.00071