CVE-2020-12659

Public Exploit

Description

An issue was discovered in the Linux kernel before 5.6.7. xdp_umem_reg in net/xdp/xdp_umem.c has an out-of-bounds write (by a user with the CAP_NET_ADMIN capability) because of a lack of headroom validation.

Category

6.7
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.13%
Vendor Advisory opensuse.org Vendor Advisory ubuntu.com 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://bugzilla.kernel.org/show_bug.cgi?id=207225 issue tracking exploit vendor advisory
https://github.com/torvalds/linux/commit/99e3a236dd43d06c65af0a2ef9cb44306aef6e02 third party advisory patch
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=99e3a236dd43d06c65af0a2ef9cb44306aef6e02 third party advisory patch
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.6.7 release notes vendor advisory
https://security.netapp.com/advisory/ntap-20200608-0001/ third party advisory
http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00022.html mailing list vdb entry third party advisory vendor advisory
https://usn.ubuntu.com/4388-1/ third party advisory vendor advisory
https://usn.ubuntu.com/4389-1/ third party advisory vendor advisory
https://usn.ubuntu.com/4387-1/ third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2020-12659?
CVE-2020-12659 has been scored as a medium severity vulnerability.
How to fix CVE-2020-12659?
To fix CVE-2020-12659, 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-2020-12659 being actively exploited in the wild?
It is possible that CVE-2020-12659 is being exploited or will be exploited in a near future based on public information. 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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