Medium severity6.7NVD Advisory· Published May 5, 2020· Updated Jun 17, 2026

CVE-2020-12659

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Linux/Linux kerneldescription
Linux/Kernelllm-fuzzy
Range: <5.6.7
osv-coords51 versions
pkg:rpm/almalinux/kernel-tools-libs-devel pkg:rpm/opensuse/kernel-debug&distro=openSUSE%20Leap%2015.1 pkg:rpm/opensuse/kernel-default&distro=openSUSE%20Leap%2015.1 pkg:rpm/opensuse/kernel-docs&distro=openSUSE%20Leap%2015.1 pkg:rpm/opensuse/kernel-kvmsmall&distro=openSUSE%20Leap%2015.1 pkg:rpm/opensuse/kernel-obs-build&distro=openSUSE%20Leap%2015.1 pkg:rpm/opensuse/kernel-obs-qa&distro=openSUSE%20Leap%2015.1 pkg:rpm/opensuse/kernel-source&distro=openSUSE%20Leap%2015.1 pkg:rpm/opensuse/kernel-syms&distro=openSUSE%20Leap%2015.1 pkg:rpm/opensuse/kernel-vanilla&distro=openSUSE%20Leap%2015.1 pkg:rpm/suse/kernel-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP1 pkg:rpm/suse/kernel-azure&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5 pkg:rpm/suse/kernel-azure&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2012%20SP5 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2015%20SP1 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2012%20SP5 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP1 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP1 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Legacy%2015%20SP1 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2012%20SP5 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP1 pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP1 pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP5 pkg:rpm/suse/kernel-livepatch-SLE15-SP1_Update_12&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP1 pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP1 pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP5 pkg:rpm/suse/kernel-rt_debug&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2012%20SP5 pkg:rpm/suse/kernel-rt_debug&distro=SUSE%20Real%20Time%20Module%2015%20SP1 pkg:rpm/suse/kernel-rt&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2012%20SP5 pkg:rpm/suse/kernel-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP1 pkg:rpm/suse/kernel-source-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP1 pkg:rpm/suse/kernel-source-azure&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5 pkg:rpm/suse/kernel-source-azure&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP1 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP1 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5 pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2012%20SP5 pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP1 pkg:rpm/suse/kernel-syms-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP1 pkg:rpm/suse/kernel-syms-azure&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5 pkg:rpm/suse/kernel-syms-azure&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5 pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP1 pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5 pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5 pkg:rpm/suse/kernel-syms-rt&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2012%20SP5 pkg:rpm/suse/kernel-syms-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP1 pkg:rpm/suse/kernel-zfcpdump&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP1 pkg:rpm/suse/kgraft-patch-SLE12-SP5_Update_5&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2012%20SP5
< 4.18.0-240.el8+ 50 more
- (no CPE)range: < 4.18.0-240.el8
- (no CPE)range: < 4.12.14-lp151.28.52.1
- (no CPE)range: < 4.12.14-lp151.28.52.1
- (no CPE)range: < 4.12.14-lp151.28.52.2
- (no CPE)range: < 4.12.14-lp151.28.52.1
- (no CPE)range: < 4.12.14-lp151.28.52.3
- (no CPE)range: < 4.12.14-lp151.28.52.3
- (no CPE)range: < 4.12.14-lp151.28.52.1
- (no CPE)range: < 4.12.14-lp151.28.52.1
- (no CPE)range: < 4.12.14-lp151.28.52.1
- (no CPE)range: < 4.12.14-8.33.1
- (no CPE)range: < 4.12.14-16.16.1
- (no CPE)range: < 4.12.14-16.16.1
- (no CPE)range: < 4.12.14-122.23.1
- (no CPE)range: < 4.12.14-197.45.1
- (no CPE)range: < 4.12.14-122.23.1
- (no CPE)range: < 4.12.14-197.45.1
- (no CPE)range: < 4.12.14-197.45.1
- (no CPE)range: < 4.12.14-197.45.1
- (no CPE)range: < 4.12.14-122.23.1
- (no CPE)range: < 4.12.14-122.23.1
- (no CPE)range: < 4.12.14-122.23.1
- (no CPE)range: < 4.12.14-197.45.1
- (no CPE)range: < 4.12.14-197.45.1
- (no CPE)range: < 4.12.14-122.23.1
- (no CPE)range: < 1-3.5.1
- (no CPE)range: < 4.12.14-197.45.1
- (no CPE)range: < 4.12.14-122.23.1
- (no CPE)range: < 4.12.14-10.13.1
- (no CPE)range: < 4.12.14-14.28.1
- (no CPE)range: < 4.12.14-10.13.1
- (no CPE)range: < 4.12.14-14.28.1
- (no CPE)range: < 4.12.14-8.33.1
- (no CPE)range: < 4.12.14-16.16.1
- (no CPE)range: < 4.12.14-16.16.1
- (no CPE)range: < 4.12.14-197.45.1
- (no CPE)range: < 4.12.14-197.45.1
- (no CPE)range: < 4.12.14-122.23.1
- (no CPE)range: < 4.12.14-122.23.1
- (no CPE)range: < 4.12.14-10.13.1
- (no CPE)range: < 4.12.14-14.28.1
- (no CPE)range: < 4.12.14-8.33.1
- (no CPE)range: < 4.12.14-16.16.1
- (no CPE)range: < 4.12.14-16.16.1
- (no CPE)range: < 4.12.14-197.45.1
- (no CPE)range: < 4.12.14-122.23.1
- (no CPE)range: < 4.12.14-122.23.1
- (no CPE)range: < 4.12.14-10.13.1
- (no CPE)range: < 4.12.14-14.28.1
- (no CPE)range: < 4.12.14-197.45.1
- (no CPE)range: < 1-8.3.1

Patches

Vulnerability mechanics

References

git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/nvdPatchThird Party Advisory
github.com/torvalds/linux/commit/99e3a236dd43d06c65af0a2ef9cb44306aef6e02nvdPatchThird Party Advisory
bugzilla.kernel.org/show_bug.cginvdExploitIssue TrackingVendor Advisory
lists.opensuse.org/opensuse-security-announce/2020-06/msg00022.htmlnvdMailing ListThird Party AdvisoryVDB Entry
cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.6.7nvdRelease NotesVendor Advisory
security.netapp.com/advisory/ntap-20200608-0001/nvdThird Party Advisory
usn.ubuntu.com/4387-1/nvdThird Party Advisory
usn.ubuntu.com/4388-1/nvdThird Party Advisory
usn.ubuntu.com/4389-1/nvdThird Party Advisory

News mentions

No linked articles in our index yet.

cvss	0.436
epss	0.001
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000