Out-of-bounds Read in Linux Kernel
CVE-2022-47520
An issue was discovered in the Linux kernel before 6.0.11. Missing offset validation in drivers/net/wireless/microchip/wilc1000/hif.c in the WILC1000 wireless driver can trigger an out-of-bounds read when parsing a Robust Security Network (RSN) information element from a Netlink packet.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H.
EPSS exploit prediction
EPSS: 0.003 (22.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 22nd percentile — 22.5% 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/20221123153543.8568-2-philipturnbull@github.com
- github.com/torvalds/linux/commit/cd21d99e595ec1d8721e1058dcdd4f1f7de1d793 (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-2022-47520?
- CVE-2022-47520 is a high-severity vulnerability in Linux Kernel, classified under Out-of-bounds Read. CVSS score: 7.1/10. Published 2022-12-18.
- How severe is CVE-2022-47520?
- High severity. CVSS v3 base score is 7.1 out of 10.