UBUNTU-CVE-2018-20784
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.
02 / AFFECTED SOFTWARE
Affected packages
71 explicit affected versions
24 explicit affected versions
29 explicit affected versions
11 explicit affected versions
1 explicit affected versions
34 explicit affected versions
1 explicit affected versions
1 explicit affected versions
12 explicit affected versions
1 explicit affected versions
39 explicit affected versions
11 explicit affected versions
38 explicit affected versions
10 explicit affected versions
28 explicit affected versions
1 explicit affected versions
7 explicit affected versions
23 explicit affected versions
11 explicit affected versions
73 explicit affected versions
2 explicit affected versions
30 explicit affected versions
35 explicit affected versions
102 explicit affected versions
51 explicit affected versions
42 explicit affected versions
1 explicit affected versions
1 explicit affected versions
60 explicit affected versions
12 explicit affected versions
30 explicit affected versions
26 explicit affected versions
27 explicit affected versions
80 explicit affected versions
55 explicit affected versions
15 explicit affected versions
21 explicit affected versions
11 explicit affected versions
1 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
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.
05 / REFERENCES
Further evidence
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c40f7d74c741a907cfaeb73a7697081881c497d0
- https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.20.2
- https://git.kernel.org/linus/c40f7d74c741a907cfaeb73a7697081881c497d0
- https://github.com/torvalds/linux/commit/c40f7d74c741a907cfaeb73a7697081881c497d0
- https://ubuntu.com/security/CVE-2018-20784
- https://ubuntu.com/security/notices/USN-4115-1
- https://ubuntu.com/security/notices/USN-4118-1
- https://ubuntu.com/security/notices/USN-4211-1
- https://ubuntu.com/security/notices/USN-4211-2
- https://www.cve.org/CVERecord?id=CVE-2018-20784