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CVE-2022-47520

Date: December 17, 2022

An issue was discovered in the Linux kernel before 6.0.11. Missing offset validation in drivers/net/wireless/microchip/wilc1000/hif.c in the WILC1000 wireless driver can trigger an out-of-bounds read when parsing a Robust Security Network (RSN) information element from a Netlink packet.

Language: C

Severity Score

Related Resources (9)

https://nvd.nist.gov/vuln/detail/CVE-2022-47520
https://security-tracker.debian.org/tracker/CVE-2022-47520
https://lore.kernel.org/r/20221123153543.8568-2-philipturnbull%40github.com
https://lore.kernel.org/r/20221123153543.8568-2-philipturnbull@github.com
https://github.com/torvalds/linux/commit/cd21d99e595ec1d8721e1058dcdd4f1f7de1d793
https://lists.debian.org/debian-lts-announce/2022/12/msg00031.html
https://people.canonical.com/~ubuntu-security/cve/CVE-2022-47520
https://security.netapp.com/advisory/ntap-20230113-0007/
https://www.mend.io/vulnerability-database/CVE-2022-47520

Severity Score

Weakness Type (CWE)

Out-of-bounds Read

CWE-125

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): HIGH
Integrity (I): NONE
Availability (A): HIGH

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