CVE-2023-52861
MediumIn the Linux kernel, the following vulnerability has been resolved: drm: bridge: it66121: Fix invalid connector dereference Fix the NULL pointer dereference when no monitor is connected, and the sound card is opened from userspace. Instead return an empty buffer (of zeroes) as the EDID information to the sound framework if there is no connector attached.
CVSS 3.1 score
6.2
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness type
CWE-476CVE-2023-52861 is a NULL Pointer Dereference vulnerability
What is NULL Pointer Dereference?
The product dereferences a pointer that it expects to be valid but is NULL, typically causing a crash. Learn more on MITRE CWE
References
The following references provide additional information about CVE-2023-52861 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.
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PatchKernel patch commithttps://git.kernel.org/stable/c/1374561a7cbc9a000b77bb0473bb2c19daf18d86
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PatchKernel patch commithttps://git.kernel.org/stable/c/1669d7b21a664aa531856ce85b01359a376baebc
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PatchKernel patch commithttps://git.kernel.org/stable/c/2c80c4f0d2845645f41cbb7c9304c8efbdbd4331
Frequently asked questions
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What is CVE-2023-52861?
CVE-2023-52861 is a Medium severity Linux kernel vulnerability with a CVSS score of 6.2 out of 10 , classified as a NULL Pointer Dereference flaw (CWE-476) . CVE-2023-52861 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
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What is the CVSS score for CVE-2023-52861?
CVE-2023-52861 has a CVSS score of 6.2 out of 10, rated Medium severity (CVSS 3.1). The vector string is
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. -
Is there a patch available for CVE-2023-52861?
No patch is currently available for CVE-2023-52861. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
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Is CVE-2023-52861 actively exploited?
No — CVE-2023-52861 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
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What is NULL Pointer Dereference (CWE-476)?
The product dereferences a pointer that it expects to be valid but is NULL, typically causing a crash. View CWE-476 on MITRE CWE →