Note:
This project will be discontinued after December 13, 2021. [more]
2019-02-22
In the Linux kernel before 4.20.2, kernel/sched/fair.c mishandles leaf cfs_rq's, which allows attackers to cause a denial of service (infinite loop in update_blocked_averages) or possibly have unspecified other impact by inducing a high load.
| Products | Ubuntu_linux, Linux_kernel, Enterprise_linux, Enterprise_linux_for_real_time |
| Type | Loop with Unreachable Exit Condition ('Infinite Loop') (CWE-835) |
| First patch |
https://github.com/torvalds/linux/commit/c40f7d74c741a907cfaeb73a7697081881c497d0 |
| Patches | http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c40f7d74c741a907cfaeb73a7697081881c497d0 |
| Relevant file/s | ./kernel/sched/fair.c (modified, +9, -34) |
| Links |
• https://usn.ubuntu.com/4115-1/
• https://usn.ubuntu.com/4211-2/ • https://usn.ubuntu.com/4211-1/ • https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.20.2 • https://access.redhat.com/errata/RHSA-2019:1971 |
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