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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.003 (24.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 25th percentile — 24.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: +0.000
Affected products
Weakness classification (CWE)
References
- lore.kernel.org/r/20221123153543.8568-4-philipturnbull@github.com
- github.com/torvalds/linux/commit/f9b62f9843c7b0afdaecabbcebf1dbba18599408 (Patch, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2022/12/msg00031.html (mailing-list, Mailing List, Third Party Advisory)
- security.netapp.com/advisory/ntap-20230113-0007/ (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.