CVE-2020-12659

highpriority · track · 27EPSS 0.007 · 53 %ileDEEURUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.71% (53rd) EPSS

CVSS 7.2 · high

Is it mine?

34 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-27

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.

cvss

Technical severity, 0–10. One row per scoring source.

7.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.1–7.8

v2.07.2highAV:L/AC:L/Au:N/C:C/I:C/A:Cprimary · NVD / NIST USexploitability 3.9 · impact 10

v3.16.7mediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 0.8 · impact 5.9

v3.17.8highAV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.16.1mediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-787USprimaryCWE-125USCWE-787US

affected products (34)

Products and version ranges known to be affected.

Amazon Linux 2all versionscert_bundDEcpe:/o:amazon:linux_2:-
Debian Linuxall versionscert_bundDEcpe:/o:debian:debian_linux:-
NetApp ActiveIQ Unified Manager for VMware vSphereall versionscert_bundDEcpe:/a:netapp:active_iq_unified_manager:for_vmware_vsphere
Open Source Linux Kernel <=5.6.10all versionscert_bundDE
Oracle Linuxall versionscert_bundDEcpe:/o:oracle:linux:-
Red Hat Enterprise Linuxall versionscert_bundDEcpe:/o:redhat:enterprise_linux:-
SUSE Linuxall versionscert_bundDEcpe:/o:suse:suse_linux:-
Ubuntu Linuxall versionscert_bundDEcpe:/o:canonical:ubuntu_linux:-
Open Source Linux Kernel≤ 5.6.10cert_bundDE
n/a n/a≤ n/aenisa_euvdEU
ООО «РусБИТех-Астра» Astra Linux Special Edition для «Эльбрус»≤ 8.1 «Ленинград»fstec_bduRU
Сообщество свободного программного обеспечения Debian GNU/Linux≤ 8fstec_bduRU
Сообщество свободного программного обеспечения Debian GNU/Linux≤ 9fstec_bduRU
Сообщество свободного программного обеспечения Debian GNU/Linux≤ 10fstec_bduRU
Сообщество свободного программного обеспечения Linux4.18 → 4.19.117fstec_bduRU
Сообщество свободного программного обеспечения Linux4.20 → 5.4.34fstec_bduRU
Сообщество свободного программного обеспечения Linux5.5 → 5.6.6fstec_bduRU
linux linux kernel4.18 → 4.19.118nvdUScpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
linux linux kernel4.20 → 5.4.35nvdUScpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
linux linux kernel5.5 → 5.6.7nvdUScpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

showing 20 of 34

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2022-1923Linux Kernel: Mehrere SchwachstellenDeutsch2020-05-05csaf · cert_bundDE
Ein lokaler Angreifer kann mehrere Schwachstellen im Linux Kernel ausnutzen, um einen Denial of Service Angriff durchzuführen, Informationen offenzulegen oder nicht spezifizierte Auswirkungen zu verursachen.

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cert_bund nvd NVD CVE.org MITRE

published 2020-05-05modified 2026-06-17

related (16,129)

Related entries.

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+16124 more

references (35)

External citations — patches, advisories, analysis.

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