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CVE-2022-47518

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Date: December 18, 2022

An issue was discovered in the Linux kernel before 6.0.11. Missing validation of the number of channels in drivers/net/wireless/microchip/wilc1000/cfg80211.c in the WILC1000 wireless driver can trigger a heap-based buffer overflow when copying the list of operating channels from Wi-Fi management frames.

Language: C

Severity Score

Related Resources (7)

https://lore.kernel.org/r/20221123153543.8568-5-philipturnbull@github.com
https://github.com/torvalds/linux/commit/0cdfa9e6f0915e3d243e2393bfa8a22e12d553b0
https://nvd.nist.gov/vuln/detail/CVE-2022-47518
https://security-tracker.debian.org/tracker/CVE-2022-47518
https://lists.debian.org/debian-lts-announce/2022/12/msg00031.html
https://security.netapp.com/advisory/ntap-20230113-0007/
https://www.mend.io/vulnerability-database/CVE-2022-47518

Severity Score

Weakness Type (CWE)

Out-of-bounds Write

CWE-787

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): HIGH
Integrity (I): HIGH
Availability (A): HIGH

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