CVE-2020-8647medium
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 vc_do_resize function in drivers/tty/vt/vt.c.
References
https://bugzilla.kernel.org/show_bug.cgi?id=206359
http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00039.html
https://lists.debian.org/debian-lts-announce/2020/06/msg00011.html
https://lists.debian.org/debian-lts-announce/2020/06/msg00013.html
https://lists.debian.org/debian-lts-announce/2020/06/msg00012.html
Details
Source: MITRE
Published: 2020-02-06
Updated: 2021-12-30
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: 6.1
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H
Impact Score: 4.2
Exploitability Score: 1.8
Severity: MEDIUM
Vulnerable Software
Configuration 1
OR
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to 5.5.2 (inclusive)
Configuration 2
OR
Configuration 3
OR
Tenable Plugins
| ID | Name | Product | Family | Severity |
|---|---|---|---|---|
| 154525 | NewStart CGSL CORE 5.05 / MAIN 5.05 : kernel Multiple Vulnerabilities (NS-SA-2021-0169) | Nessus | NewStart CGSL Local Security Checks | high |
| 150557 | SUSE SLES11 Security Update : kernel (SUSE-SU-2020:14354-1) | Nessus | SuSE Local Security Checks | critical |
| 149336 | NewStart CGSL CORE 5.04 / MAIN 5.04 : kernel Multiple Vulnerabilities (NS-SA-2021-0025) | Nessus | NewStart CGSL Local Security Checks | medium |
| 147318 | NewStart CGSL MAIN 6.02 : kernel Multiple Vulnerabilities (NS-SA-2021-0078) | Nessus | NewStart CGSL Local Security Checks | high |
| 145806 | CentOS 8 : kernel (CESA-2020:4431) | Nessus | CentOS Local Security Checks | medium |
| 142430 | RHEL 8 : kernel (RHSA-2020:4431) | Nessus | Red Hat Local Security Checks | medium |
| 142382 | RHEL 8 : kernel-rt (RHSA-2020:4609) | Nessus | Red Hat Local Security Checks | medium |
| 141727 | Scientific Linux Security Update : kernel on SL7.x x86_64 (20201001) | Nessus | Scientific Linux Local Security Checks | high |
| 141619 | CentOS 7 : kernel (CESA-2020:4060) | Nessus | CentOS Local Security Checks | high |
| 141057 | RHEL 7 : kernel (RHSA-2020:4060) | Nessus | Red Hat Local Security Checks | high |
| 141026 | RHEL 7 : kernel-rt (RHSA-2020:4062) | Nessus | Red Hat Local Security Checks | high |
| 138272 | SUSE SLES15 Security Update : kernel (SUSE-SU-2020:1663-1) | Nessus | SuSE Local Security Checks | critical |
| 137932 | EulerOS Virtualization 3.0.6.0 : kernel (EulerOS-SA-2020-1713) | Nessus | Huawei Local Security Checks | medium |
| 137516 | EulerOS 2.0 SP2 : kernel (EulerOS-SA-2020-1674) | Nessus | Huawei Local Security Checks | critical |
| 137340 | Debian DSA-4698-1 : linux - security update | Nessus | Debian Local Security Checks | medium |
| 137339 | Debian DLA-2242-1 : linux-4.9 security update | Nessus | Debian Local Security Checks | medium |
| 137283 | Debian DLA-2241-2 : linux security update | Nessus | Debian Local Security Checks | medium |
| 137128 | OracleVM 3.4 : Unbreakable / etc (OVMSA-2020-0019) | Nessus | OracleVM Local Security Checks | high |
| 136782 | SUSE SLES12 Security Update : kernel (SUSE-SU-2020:1275-1) (MDSUM/RIDL) (MFBDS/RIDL/ZombieLoad) (MLPDS/RIDL) (MSBDS/Fallout) | Nessus | SuSE Local Security Checks | critical |
| 136727 | Oracle Linux 7 / 8 : Unbreakable Enterprise kernel (ELSA-2020-5691) | Nessus | Oracle Linux Local Security Checks | high |
| 136661 | SUSE SLES12 Security Update : kernel (SUSE-SU-2020:1255-1) | Nessus | SuSE Local Security Checks | critical |
| 136485 | Oracle Linux 7 : Unbreakable Enterprise kernel (ELSA-2020-5676) | Nessus | Oracle Linux Local Security Checks | medium |
| 136388 | Oracle Linux 6 / 7 : Unbreakable Enterprise kernel (ELSA-2020-5670) | Nessus | Oracle Linux Local Security Checks | high |
| 136239 | EulerOS Virtualization for ARM 64 3.0.2.0 : kernel (EulerOS-SA-2020-1536) | Nessus | Huawei Local Security Checks | critical |
| 136166 | SUSE SLES12 Security Update : kernel (SUSE-SU-2020:1142-1) | Nessus | SuSE Local Security Checks | high |
| 136165 | SUSE SLES12 Security Update : kernel (SUSE-SU-2020:1141-1) | Nessus | SuSE Local Security Checks | high |
| 136075 | SUSE SLED15 / SLES15 Security Update : kernel (SUSE-SU-2020:1123-1) | Nessus | SuSE Local Security Checks | high |
| 136026 | SUSE SLES12 Security Update : kernel (SUSE-SU-2020:1119-1) | Nessus | SuSE Local Security Checks | high |
| 136025 | SUSE SLES12 Security Update : kernel (SUSE-SU-2020:1118-1) | Nessus | SuSE Local Security Checks | high |
| 135525 | EulerOS 2.0 SP3 : kernel (EulerOS-SA-2020-1396) | Nessus | Huawei Local Security Checks | critical |
| 135166 | SUSE SLED15 / SLES15 Security Update : kernel (SUSE-SU-2020:0836-1) | Nessus | SuSE Local Security Checks | high |
| 135129 | EulerOS Virtualization for ARM 64 3.0.6.0 : kernel (EulerOS-SA-2020-1342) | Nessus | Huawei Local Security Checks | critical |
| 135003 | openSUSE Security Update : the Linux Kernel (openSUSE-2020-388) | Nessus | SuSE Local Security Checks | high |
| 134971 | Slackware 14.2 : Slackware 14.2 kernel (SSA:2020-086-01) | Nessus | Slackware Local Security Checks | critical |
| 134799 | EulerOS 2.0 SP5 : kernel (EulerOS-SA-2020-1308) | Nessus | Huawei Local Security Checks | high |
| 134784 | EulerOS 2.0 SP8 : kernel (EulerOS-SA-2020-1292) | Nessus | Huawei Local Security Checks | high |