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CVE-2023-22997

Date: February 27, 2023

In the Linux kernel before 6.1.2, kernel/module/decompress.c misinterprets the module_get_next_page 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://nvd.nist.gov/vuln/detail/CVE-2023-22997
https://github.com/torvalds/linux/commit/45af1d7aae7d5520d2858f8517a1342646f015db
https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.2
https://security-tracker.debian.org/tracker/CVE-2023-22997
https://people.canonical.com/~ubuntu-security/cve/CVE-2023-22997
https://www.mend.io/vulnerability-database/CVE-2023-22997

Severity Score

Weakness Type (CWE)

NULL Pointer Dereference

CWE-476

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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