Buffer overflow in Linux Kernel
CVE-2022-47518
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.
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 (24.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 24th percentile — 24.1% 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/20221123153543.8568-5-philipturnbull@github.com
- github.com/torvalds/linux/commit/0cdfa9e6f0915e3d243e2393bfa8a22e12d553b0 (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-2022-47518?
- CVE-2022-47518 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-2022-47518?
- High severity. CVSS v3 base score is 7.8 out of 10.