What is CVE-2022-47521?

CVE-2022-47521 is a high-severity vulnerability in Linux Kernel, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2022-12-18.

How severe is CVE-2022-47521?

High severity. CVSS v3 base score is 7.8 out of 10.

Buffer overflow in Linux Kernel

CVE-2022-47521

An issue was discovered in the Linux kernel before 6.0.11. Missing validation of IEEE80211_P2P_ATTR_CHANNEL_LIST in drivers/net/wireless/microchip/wilc1000/cfg80211.c in the WILC1000 wireless driver can trigger a heap-based buffer overflow when parsing the operating channel attribute from Wi-Fi management frames.

Vulnerability class: Buffer Overflow

EPSS: 0.003 (26.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

cve@mitre.org
cve@mitre.org (Patch, Third Party Advisory)
cve@mitre.org (mailing-list, Mailing List, Third Party Advisory)
cve@mitre.org (Third Party Advisory)

Frequently asked questions

What is CVE-2022-47521?: CVE-2022-47521 is a high-severity vulnerability in Linux Kernel, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2022-12-18.
How severe is CVE-2022-47521?: High severity. CVSS v3 base score is 7.8 out of 10.