PT-2023-11759 · Fedora+1 · Fedora Linux Kernel+1

Published 2023-08-22 · Updated 2023-09-12 · CVE-2020-27418

Positive Technologies (AI Summary)

CVSS v3.1

4.4

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Fedora Linux kernel version 5.9.0-rc9

Description A Use After Free issue allows attackers to obtain sensitive information via the vgacon invert region() function.

Recommendations For Fedora Linux kernel version 5.9.0-rc9, as a temporary workaround, consider disabling the vgacon invert region() function until a patch is available. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

CVE-2020-27418

Affected Products

Astra Linux

Fedora Linux Kernel

References · 12

• https://osv.dev/vulnerability/CVE-2020-27418 · Vendor Advisory
• https://ubuntu.com/security/CVE-2020-27418 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-27418 · Security Note
• https://patchwork.freedesktop.org/patch/356372 · Patch
• https://osv.dev/vulnerability/UBUNTU-CVE-2020-27418 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2020-27418 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2020-27418 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2020-27418 · Vendor Advisory
• https://git.kernel.org/linus/513dc792d6060d5ef572e43852683097a8420f56 · Note
• https://t.me/cibsecurity/68954 · Telegram Post
• http://fedora.com · Note
• https://t.me/cvenotify/57322 · Telegram Post