CVE-2022-47518

HIGH7.8

An issue was discovered in the Linux kernel before 6

Published Dec 18, 2022

Modified 9 months ago

Details

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.

References

WEBhttps://github.com/torvalds/linux/commit/0cdfa9e6f0915e3d243e2393bfa8a22e12d553b0 WEBhttps://lists.debian.org/debian-lts-announce/2022/12/msg00031.html WEBhttps://lore.kernel.org/r/20221123153543.8568-5-philipturnbull%40github.com WEBhttps://security.netapp.com/advisory/ntap-20230113-0007/ADVISORYhttps://www.cve.org/CVERecord?id=CVE-2022-47518

CVSS Analysis

CVSS v3.1

7.8

Exploitability

Attack Vector

LocalAV:L

Attack Complexity

LowAC:L

Privileges Required

LowPR:L

User Interaction

NoneUI:N

Scope

UnchangedS:U

Impact

Confidentiality

HighC:H

Integrity

HighI:H

Availability

HighA:H

7.8/CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Ecosystems

Timeline

PublishedDec 18, 2022

ModifiedApr 17, 2025