CVE-2023-53571: linux kernel — Fix

Description

In the Linux kernel, the following vulnerability has been resolved: drm/i915: Make intel_get_crtc_new_encoder() less oopsy The point of the WARN was to print something, not oops straight up. Currently that is precisely what happens if we can't find the connector for the crtc in the atomic state. Get the dev pointer from the atomic state instead of the potentially NULL encoder to avoid that. (cherry picked from commit 3b6692357f70498f617ea1b31a0378070a0acf1c)

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CVSS v3.1 Score

5.5

MEDIUM

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

Affected Products

Vendor	Product	Versions
linux	linux_kernel	5.7 — 5.10.180
linux	linux_kernel	5.11 — 5.15.111
linux	linux_kernel	5.16 — 6.1.28
linux	linux_kernel	6.2 — 6.2.15
linux	linux_kernel	6.3 — 6.3.2

References

Advisories & Patches

https://git.kernel.org/stable/c/0fe6ef82e4f4764e8f556632e4cd93d78d448e99 https://git.kernel.org/stable/c/54202488c835dab8c648acd107f0bb8eaa699894 https://git.kernel.org/stable/c/631420b06597a33c72b6dcef78d1c2dea17f452d https://git.kernel.org/stable/c/780f303233c35eeb5132e3ee1cbc8f4cebe86dd2 https://git.kernel.org/stable/c/8cd725315c559a8a4d18ac1d7fce1d6b9a667529 https://git.kernel.org/stable/c/fd8b0abecdf66379e9d25d7448b942b5be379cb2

Frequently Asked Questions

What is CVE-2023-53571? +

In the Linux kernel, the following vulnerability has been resolved: drm/i915: Make intel_get_crtc_new_encoder() less oopsy The point of the WARN was to print something, not oops straight up. Currently that is precisely what happens if we can't find the connector for the crtc in the atomic state. Get the dev pointer from the atomic state instead of the potentially NULL encoder to avoid that. (cherry picked from commit 3b6692357f70498f617ea1b31a0378070a0acf1c) It has a CVSS v3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2023-53571? +

CVE-2023-53571 has a CVSS v3.1 score of 5.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2023-53571? +

CVE-2023-53571 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-2023-53571? +

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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CVE-2023-53571