CVE-2022-50079: linux kernel Out-of-bounds Read — Fix

Description

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Check correct bounds for stream encoder instances for DCN303 [Why & How] eng_id for DCN303 cannot be more than 1, since we have only two instances of stream encoders. Check the correct boundary condition for engine ID for DCN303 prevent the potential out of bounds access.

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CVSS v3.1 Score

7.1

HIGH

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

Weakness Type (CWE)

CWE-125 Out-of-bounds Read

Affected Products

Vendor	Product	Versions
linux	linux_kernel	5.14 — 5.15.63
linux	linux_kernel	5.16 — 5.19.4
linux	linux_kernel	All

References

Advisories & Patches

https://git.kernel.org/stable/c/4c31dca1799612eb3b6413e3e574f90c3fb8f865 https://git.kernel.org/stable/c/82a27c1855445d48aacc67b0c0640f3dadebe52f https://git.kernel.org/stable/c/89b008222c2bf21e50219725caed31590edfd9d1

Frequently Asked Questions

What is CVE-2022-50079? +

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Check correct bounds for stream encoder instances for DCN303 [Why & How] eng_id for DCN303 cannot be more than 1, since we have only two instances of stream encoders. Check the correct boundary condition for engine ID for DCN303 prevent the potential out of bounds access. It has a CVSS v3.1 base score of 7.1 (HIGH).

How severe is CVE-2022-50079? +

CVE-2022-50079 has a CVSS v3.1 score of 7.1 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2022-50079? +

CVE-2022-50079 affects products from linux, specifically: linux_kernel. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2022-50079? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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