CVE-2020-25285

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.

Category

6.4
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.08%
Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory kernel.org Vendor Advisory kernel.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=17743798d81238ab13050e8e2833699b54e15467 patch vendor advisory
https://twitter.com/grsecurity/status/1303749848898904067 third party advisory
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.8.8 release notes vendor advisory
https://lists.debian.org/debian-lts-announce/2020/09/msg00025.html third party advisory mailing list
https://security.netapp.com/advisory/ntap-20201009-0002/ third party advisory
https://usn.ubuntu.com/4576-1/ third party advisory vendor advisory
https://usn.ubuntu.com/4579-1/ third party advisory vendor advisory
https://lists.debian.org/debian-lts-announce/2020/10/msg00032.html third party advisory mailing list
https://lists.debian.org/debian-lts-announce/2020/10/msg00034.html third party advisory mailing list

Frequently Asked Questions

What is the severity of CVE-2020-25285?
CVE-2020-25285 has been scored as a medium severity vulnerability.
How to fix CVE-2020-25285?
To fix CVE-2020-25285, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-25285 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2020-25285 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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