CVE-2020-12659

medium
New! CVE Severity Now Using CVSS v3

The calculated severity for CVEs has been updated to use CVSS v3 by default. CVEs that do not have a CVSS v3 score will fall back CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

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.

References

http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00022.html

https://bugzilla.kernel.org/show_bug.cgi?id=207225

https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.6.7

https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=99e3a236dd43d06c65af0a2ef9cb44306aef6e02

https://github.com/torvalds/linux/commit/99e3a236dd43d06c65af0a2ef9cb44306aef6e02

https://security.netapp.com/advisory/ntap-20200608-0001/

https://usn.ubuntu.com/4387-1/

https://usn.ubuntu.com/4388-1/

https://usn.ubuntu.com/4389-1/

Details

Source: MITRE

Published: 2020-05-05

Updated: 2020-06-17

Type: CWE-787

Risk Information

CVSS v2

Base Score: 7.2

Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C

Impact Score: 10

Exploitability Score: 3.9

Severity: HIGH

CVSS v3

Base Score: 6.7

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

Impact Score: 5.9

Exploitability Score: 0.8

Severity: MEDIUM

Vulnerable Software

Configuration 1

OR

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

Tenable Plugins

View all (16 total)

IDNameProductFamilySeverity
147318NewStart CGSL MAIN 6.02 : kernel Multiple Vulnerabilities (NS-SA-2021-0078)NessusNewStart CGSL Local Security Checks
high
145806CentOS 8 : kernel (CESA-2020:4431)NessusCentOS Local Security Checks
medium
142430RHEL 8 : kernel (RHSA-2020:4431)NessusRed Hat Local Security Checks
medium
142382RHEL 8 : kernel-rt (RHSA-2020:4609)NessusRed Hat Local Security Checks
medium
140378SUSE SLES15 Security Update : kernel (SUSE-SU-2020:2487-1)NessusSuSE Local Security Checks
medium
140328EulerOS Virtualization for ARM 64 3.0.2.0 : kernel (EulerOS-SA-2020-1958)NessusHuawei Local Security Checks
high
138679openSUSE Security Update : the Linux Kernel (openSUSE-2020-801)NessusSuSE Local Security Checks
medium
137805EulerOS Virtualization for ARM 64 3.0.6.0 : kernel (EulerOS-SA-2020-1698)NessusHuawei Local Security Checks
medium
137615SUSE SLES12 Security Update : kernel (SUSE-SU-2020:1602-1)NessusSuSE Local Security Checks
medium
137613SUSE SLED15 / SLES15 Security Update : kernel (SUSE-SU-2020:1599-1)NessusSuSE Local Security Checks
medium
137608SUSE SLES12 Security Update : kernel (SUSE-SU-2020:1587-1)NessusSuSE Local Security Checks
medium
137299Ubuntu 20.04 : Linux kernel vulnerabilities (USN-4389-1)NessusUbuntu Local Security Checks
medium
137298Ubuntu 18.04 LTS : linux-gke-5.0, linux-oem-osp1 vulnerabilities (USN-4388-1)NessusUbuntu Local Security Checks
medium
137297Ubuntu 18.04 LTS / 19.10 : Linux kernel vulnerabilities (USN-4387-1)NessusUbuntu Local Security Checks
medium
137290Oracle Linux 7 / 8 : Unbreakable Enterprise kernel (ELSA-2020-5714)NessusOracle Linux Local Security Checks
medium
136870EulerOS 2.0 SP8 : kernel (EulerOS-SA-2020-1592)NessusHuawei Local Security Checks
high