CVE-2020-12659

MediumCVSS 6.7/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 6.7/10CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-787

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00022.htmlMailing List, Third Party Advisory, VDB Entry
https://bugzilla.kernel.org/show_bug.cgi?id=207225Exploit, Issue Tracking, Vendor Advisory
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.6.7Release Notes, Vendor Advisory
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=99e3a236dd43d06c65af0a2ef9cb44306aef6e02Patch, Third Party Advisory
https://github.com/torvalds/linux/commit/99e3a236dd43d06c65af0a2ef9cb44306aef6e02Patch, Third Party Advisory
https://security.netapp.com/advisory/ntap-20200608-0001/Third Party Advisory
https://usn.ubuntu.com/4387-1/Third Party Advisory
https://usn.ubuntu.com/4388-1/Third Party Advisory
https://usn.ubuntu.com/4389-1/Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00022.htmlMailing List, Third Party Advisory, VDB Entry
https://bugzilla.kernel.org/show_bug.cgi?id=207225Exploit, Issue Tracking, Vendor Advisory
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.6.7Release Notes, Vendor Advisory
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=99e3a236dd43d06c65af0a2ef9cb44306aef6e02Patch, Third Party Advisory
https://github.com/torvalds/linux/commit/99e3a236dd43d06c65af0a2ef9cb44306aef6e02Patch, Third Party Advisory
https://security.netapp.com/advisory/ntap-20200608-0001/Third Party Advisory
https://usn.ubuntu.com/4387-1/Third Party Advisory
https://usn.ubuntu.com/4388-1/Third Party Advisory
https://usn.ubuntu.com/4389-1/Third Party Advisory

Timeline

Published: May 5, 2020
Last modified: Jun 17, 2026
NVD status: Modified

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