CVEvulnerability
CVE-2020-25285
6.4 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2020-09-13
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 6.4 MEDIUM — CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 4.4 MEDIUM — AV:L/AC:M/Au:N/C:P/I:P/A:P
- Weaknesses
- CWE-362, CWE-476, CWE-787
Description
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.
Affected configurations
• linux linux kernel (< 5.8.8)
• debian debian linux 9.0
• canonical ubuntu linux 14.04
• canonical ubuntu linux 16.04
• canonical ubuntu linux 18.04
• canonical ubuntu linux 20.04
Related
References
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.8.8 Release Notes, Vendor Advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=17743798d81238ab13050e8e2833699b54e15467 Patch, Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2020/09/msg00025.html Mailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/10/msg00032.html Mailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/10/msg00034.html Mailing List, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20201009-0002/ Third Party Advisory
- https://twitter.com/grsecurity/status/1303749848898904067 Third Party Advisory
- https://usn.ubuntu.com/4576-1/ Third Party Advisory
- https://usn.ubuntu.com/4579-1/ Third Party Advisory
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.8.8 Release Notes, Vendor Advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=17743798d81238ab13050e8e2833699b54e15467 Patch, Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2020/09/msg00025.html Mailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/10/msg00032.html Mailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/10/msg00034.html Mailing List, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20201009-0002/ Third Party Advisory
- https://twitter.com/grsecurity/status/1303749848898904067 Third Party Advisory
- https://usn.ubuntu.com/4576-1/ Third Party Advisory
- https://usn.ubuntu.com/4579-1/ Third Party Advisory