UBUNTU-CVE-2020-25285
A race condition between hugetlb sysctl handlers in mm/hugetlb.c in the Linux kernel before 5.8.8 could be used by local attackers to corrupt memory, cause a NULL pointer dereference, or possibly have unspecified other impact, aka CID-17743798d812.
02 / AFFECTED SOFTWARE
Affected packages
85 explicit affected versions
49 explicit affected versions
6 explicit affected versions
6 explicit affected versions
191 explicit affected versions
52 explicit affected versions
15 explicit affected versions
33 explicit affected versions
6 explicit affected versions
61 explicit affected versions
23 explicit affected versions
1 explicit affected versions
1 explicit affected versions
1 explicit affected versions
7 explicit affected versions
8 explicit affected versions
1 explicit affected versions
15 explicit affected versions
19 explicit affected versions
53 explicit affected versions
15 explicit affected versions
9 explicit affected versions
10 explicit affected versions
32 explicit affected versions
1 explicit affected versions
52 explicit affected versions
31 explicit affected versions
1 explicit affected versions
1 explicit affected versions
25 explicit affected versions
13 explicit affected versions
48 explicit affected versions
1 explicit affected versions
17 explicit affected versions
28 explicit affected versions
10 explicit affected versions
11 explicit affected versions
87 explicit affected versions
15 explicit affected versions
2 explicit affected versions
51 explicit affected versions
7 explicit affected versions
56 explicit affected versions
1 explicit affected versions
116 explicit affected versions
9 explicit affected versions
64 explicit affected versions
1 explicit affected versions
11 explicit affected versions
5 explicit affected versions
1 explicit affected versions
5 explicit affected versions
1 explicit affected versions
9 explicit affected versions
74 explicit affected versions
5 explicit affected versions
33 explicit affected versions
44 explicit affected versions
16 explicit affected versions
1 explicit affected versions
38 explicit affected versions
9 explicit affected versions
94 explicit affected versions
5 explicit affected versions
79 explicit affected versions
29 explicit affected versions
41 explicit affected versions
2 explicit affected versions
5 explicit affected versions
43 explicit affected versions
1 explicit affected versions
12 explicit affected versions
9 explicit affected versions
4 explicit affected versions
1 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
A race condition between hugetlb sysctl handlers in mm/hugetlb.c in the Linux kernel before 5.8.8 could be used by local attackers to corrupt memory, cause a NULL pointer dereference, or possibly have unspecified other impact, aka CID-17743798d812.
05 / REFERENCES
Further evidence
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.8.8
- https://git.kernel.org/linus/17743798d81238ab13050e8e2833699b54e15467
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=17743798d81238ab13050e8e2833699b54e15467
- https://twitter.com/grsecurity/status/1303749848898904067
- https://ubuntu.com/security/CVE-2020-25285
- https://ubuntu.com/security/notices/USN-4576-1
- https://ubuntu.com/security/notices/USN-4579-1
- https://ubuntu.com/security/notices/USN-4660-1
- https://ubuntu.com/security/notices/USN-4912-1
- https://www.cve.org/CVERecord?id=CVE-2020-25285