CVE-2020-14331
Medium
Description
A flaw was found in the Linux kernel’s implementation of the invert video code on VGA consoles when a local attacker attempts to resize the console, calling an ioctl VT_RESIZE, which causes an out-of-bounds write to occur. This flaw allows a local user with access to the VGA console to crash the system, potentially escalating their privileges on the system. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
SeverityMedium
CVSS6.6
Exploit probability—
Product
Linux Kernel
PublishedSep 15, 2020
First seenSep 15, 2020
Weakness typeCWE-787Out-of-bounds write
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | v ≤ 5.7.19, 5.8.0 | — |
| redhat enterprise_linux | 7.0, 8.0 | — |
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