CVE-2023-45913: mesa Null Dereference (CVSS 6.2)

Description

Mesa v23.0.4 was discovered to contain a NULL pointer dereference via the function dri2GetGlxDrawableFromXDrawableId(). This vulnerability is triggered when the X11 server sends an DRI2_BufferSwapComplete event unexpectedly when the application is using DRI3. NOTE: this is disputed because there is no scenario in which the vulnerability was demonstrated.

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CVSS v3.1 Score

6.2

MEDIUM

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

Weakness Type (CWE)

CWE-476 CWE-476

Affected Products

Vendor	Product	Versions
mesa3d	mesa	All

References

Other References

http://seclists.org/fulldisclosure/2024/Jan/28 https://gitlab.freedesktop.org/mesa/mesa/-/issues/9856 https://seclists.org/fulldisclosure/2024/Jan/71 http://packetstormsecurity.com/files/176800/Mesa-23.0.4-Null-Pointer.html http://seclists.org/fulldisclosure/2024/Jan/28 https://gitlab.freedesktop.org/mesa/mesa/-/issues/9856 https://seclists.org/fulldisclosure/2024/Jan/71

Frequently Asked Questions

What is CVE-2023-45913? +

Mesa v23.0.4 was discovered to contain a NULL pointer dereference via the function dri2GetGlxDrawableFromXDrawableId(). This vulnerability is triggered when the X11 server sends an DRI2_BufferSwapComplete event unexpectedly when the application is using DRI3. NOTE: this is disputed because there is no scenario in which the vulnerability was demonstrated. It has a CVSS v3.1 base score of 6.2 (MEDIUM).

How severe is CVE-2023-45913? +

CVE-2023-45913 has a CVSS v3.1 score of 6.2 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-2023-45913? +

CVE-2023-45913 affects products from mesa3d, specifically: mesa. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2023-45913? +

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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