CVE-2020-8647
kernel: out-of-bounds read in in vc_do_resize function in drivers/tty/vt/vt.c
Severity Score
Exploit Likelihood
Affected Versions
Public Exploits
0Exploited in Wild
-Decision
Descriptions
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.
Se presenta una vulnerabilidad de uso de la memoria previamente liberada en el kernel de Linux versiones hasta 5.5.2 en la función vc_do_resize en el archivo drivers/tty/vt/vt.c.
A flaw was found in the Linux kernel’s virtual console resize functionality. An attacker with local access to virtual consoles can use the virtual console resizing code to gather kernel internal data structures.
Red Hat OpenShift Container Platform is Red Hat's cloud computing Kubernetes application platform solution designed for on-premise or private cloud deployments. This advisory contains the container images for Red Hat OpenShift Container Platform 4.7.0. Issues addressed include bypass, denial of service, integer overflow, man-in-the-middle, and memory leak vulnerabilities.
CVSS Scores
SSVC
- Decision:-
Timeline
- 2020-02-06 CVE Reserved
- 2020-02-06 CVE Published
- 2024-08-04 CVE Updated
- 2025-04-06 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-200: Exposure of Sensitive Information to an Unauthorized Actor
- CWE-416: Use After Free
CAPEC
References (8)
| URL | Tag | Source |
|---|---|---|
| https://lists.debian.org/debian-lts-announce/2020/06/msg00011.html | Mailing List |
|
| https://lists.debian.org/debian-lts-announce/2020/06/msg00012.html | Mailing List |
|
| https://lists.debian.org/debian-lts-announce/2020/06/msg00013.html | Mailing List |
|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://bugzilla.kernel.org/show_bug.cgi?id=206359 | 2021-12-30 |
| URL | Date | SRC |
|---|---|---|
| http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00039.html | 2021-12-30 | |
| https://www.debian.org/security/2020/dsa-4698 | 2021-12-30 | |
| https://access.redhat.com/security/cve/CVE-2020-8647 | 2022-04-05 | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1802563 | 2022-04-05 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | <= 5.5.2 Search vendor "Linux" for product "Linux Kernel" and version " <= 5.5.2" | - |
Affected
| ||||||
| Debian Search vendor "Debian" | Debian Linux Search vendor "Debian" for product "Debian Linux" | 8.0 Search vendor "Debian" for product "Debian Linux" and version "8.0" | - |
Affected
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| Debian Search vendor "Debian" | Debian Linux Search vendor "Debian" for product "Debian Linux" | 9.0 Search vendor "Debian" for product "Debian Linux" and version "9.0" | - |
Affected
| ||||||
| Opensuse Search vendor "Opensuse" | Leap Search vendor "Opensuse" for product "Leap" | 15.1 Search vendor "Opensuse" for product "Leap" and version "15.1" | - |
Affected
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