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CVE-2023-23002

Good to know:

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Date: February 28, 2023

In the Linux kernel before 5.16.3, drivers/bluetooth/hci_qca.c misinterprets the devm_gpiod_get_index_optional return value (expects it to be NULL in the error case, whereas it is actually an error pointer).

Language: C

Severity Score

Related Resources (6)

https://github.com/torvalds/linux/commit/6845667146a28c09b5dfc401c1ad112374087944
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16.3
https://nvd.nist.gov/vuln/detail/CVE-2023-23002
https://people.canonical.com/~ubuntu-security/cve/CVE-2023-23002
https://security-tracker.debian.org/tracker/CVE-2023-23002
https://www.mend.io/vulnerability-database/CVE-2023-23002

Severity Score

Weakness Type (CWE)

NULL Pointer Dereference

CWE-476

Top Fix

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Upgrade Version

Upgrade to version linux-libc-headers - 5.14

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CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

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