CVE-2020-8649

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

There is a use-after-free vulnerability in the Linux kernel through 5.5.2 in the vgacon_invert_region function in drivers/video/console/vgacon.c.

References

http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00039.html

https://bugzilla.kernel.org/show_bug.cgi?id=206357

https://lists.debian.org/debian-lts-announce/2020/06/msg00011.html

https://lists.debian.org/debian-lts-announce/2020/06/msg00012.html

https://lists.debian.org/debian-lts-announce/2020/06/msg00013.html

https://www.debian.org/security/2020/dsa-4698

Details

Source: MITRE

Published: 2020-02-06

Updated: 2020-06-10

Type: CWE-416

Risk Information

CVSS v2

Base Score: 3.6

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

Impact Score: 4.9

Exploitability Score: 3.9

Severity: LOW

CVSS v3

Base Score: 5.9

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

Impact Score: 5.2

Exploitability Score: 0.7

Severity: MEDIUM

Vulnerable Software

Configuration 1

OR

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to 5.5.2 (inclusive)

Configuration 2

OR

cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*

Tenable Plugins

View all (35 total)

IDNameProductFamilySeverity
150557SUSE SLES11 Security Update : kernel (SUSE-SU-2020:14354-1)NessusSuSE Local Security Checks
critical
149336NewStart CGSL CORE 5.04 / MAIN 5.04 : kernel Multiple Vulnerabilities (NS-SA-2021-0025)NessusNewStart CGSL Local Security Checks
medium
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
141727Scientific Linux Security Update : kernel on SL7.x x86_64 (20201001)NessusScientific Linux Local Security Checks
high
141619CentOS 7 : kernel (CESA-2020:4060)NessusCentOS Local Security Checks
high
141057RHEL 7 : kernel (RHSA-2020:4060)NessusRed Hat Local Security Checks
high
141026RHEL 7 : kernel-rt (RHSA-2020:4062)NessusRed Hat Local Security Checks
high
138272SUSE SLES15 Security Update : kernel (SUSE-SU-2020:1663-1)NessusSuSE Local Security Checks
critical
137932EulerOS Virtualization 3.0.6.0 : kernel (EulerOS-SA-2020-1713)NessusHuawei Local Security Checks
medium
137516EulerOS 2.0 SP2 : kernel (EulerOS-SA-2020-1674)NessusHuawei Local Security Checks
critical
137340Debian DSA-4698-1 : linux - security updateNessusDebian Local Security Checks
medium
137339Debian DLA-2242-1 : linux-4.9 security updateNessusDebian Local Security Checks
medium
137283Debian DLA-2241-2 : linux security updateNessusDebian Local Security Checks
medium
137128OracleVM 3.4 : Unbreakable / etc (OVMSA-2020-0019)NessusOracleVM Local Security Checks
high
136782SUSE SLES12 Security Update : kernel (SUSE-SU-2020:1275-1) (MDSUM/RIDL) (MFBDS/RIDL/ZombieLoad) (MLPDS/RIDL) (MSBDS/Fallout)NessusSuSE Local Security Checks
critical
136727Oracle Linux 7 / 8 : Unbreakable Enterprise kernel (ELSA-2020-5691)NessusOracle Linux Local Security Checks
high
136661SUSE SLES12 Security Update : kernel (SUSE-SU-2020:1255-1)NessusSuSE Local Security Checks
critical
136485Oracle Linux 7 : Unbreakable Enterprise kernel (ELSA-2020-5676)NessusOracle Linux Local Security Checks
medium
136388Oracle Linux 6 / 7 : Unbreakable Enterprise kernel (ELSA-2020-5670)NessusOracle Linux Local Security Checks
high
136239EulerOS Virtualization for ARM 64 3.0.2.0 : kernel (EulerOS-SA-2020-1536)NessusHuawei Local Security Checks
critical
136166SUSE SLES12 Security Update : kernel (SUSE-SU-2020:1142-1)NessusSuSE Local Security Checks
high
136165SUSE SLES12 Security Update : kernel (SUSE-SU-2020:1141-1)NessusSuSE Local Security Checks
high
136075SUSE SLED15 / SLES15 Security Update : kernel (SUSE-SU-2020:1123-1)NessusSuSE Local Security Checks
high
136026SUSE SLES12 Security Update : kernel (SUSE-SU-2020:1119-1)NessusSuSE Local Security Checks
high
136025SUSE SLES12 Security Update : kernel (SUSE-SU-2020:1118-1)NessusSuSE Local Security Checks
high
135525EulerOS 2.0 SP3 : kernel (EulerOS-SA-2020-1396)NessusHuawei Local Security Checks
critical
135166SUSE SLED15 / SLES15 Security Update : kernel (SUSE-SU-2020:0836-1)NessusSuSE Local Security Checks
high
135129EulerOS Virtualization for ARM 64 3.0.6.0 : kernel (EulerOS-SA-2020-1342)NessusHuawei Local Security Checks
critical
135003openSUSE Security Update : the Linux Kernel (openSUSE-2020-388)NessusSuSE Local Security Checks
high
134971Slackware 14.2 : Slackware 14.2 kernel (SSA:2020-086-01)NessusSlackware Local Security Checks
critical
134799EulerOS 2.0 SP5 : kernel (EulerOS-SA-2020-1308)NessusHuawei Local Security Checks
high
134784EulerOS 2.0 SP8 : kernel (EulerOS-SA-2020-1292)NessusHuawei Local Security Checks
high