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CVE-2023-23000

Good to know:

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Date: February 28, 2023

In the Linux kernel before 5.17, drivers/phy/tegra/xusb.c mishandles the tegra_xusb_find_port_node return value. Callers expect NULL in the error case, but an error pointer is used.

Language: C

Severity Score

Related Resources (6)

https://people.canonical.com/~ubuntu-security/cve/CVE-2023-23000
https://github.com/torvalds/linux/commit/045a31b95509c8f25f5f04ec5e0dec5cd09f2c5f
https://nvd.nist.gov/vuln/detail/CVE-2023-23000
https://security.netapp.com/advisory/ntap-20230331-0004/
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17
https://www.mend.io/vulnerability-database/CVE-2023-23000

Severity Score

Weakness Type (CWE)

NULL Pointer Dereference

CWE-476

Top Fix

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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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