What’s Vulnerable › Vulnerabilities
CVE-2022-47520
- Severity: high (CVSS 7.1 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.3% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2022-12-18 · updated 2026-10-14
- Weakness: CWE-125
Description
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.
Affected products
- Debian Linux: 10.0
- Linux kernel: from 4.2.0 before 5.10.157; from 5.11 before 5.15.81; from 5.16 before 6.0.11 — fixed in 5.10.157, 5.15.81, 6.0.11
- NetApp H300S Firmware: all versions
- NetApp H410C Firmware: all versions
- NetApp H410S Firmware: all versions
- NetApp H500S Firmware: all versions
- NetApp H700S Firmware: all versions
How to fix
Upgrade to a fixed version: Linux kernel 5.10.157, 5.15.81, 6.0.11. Check the vendor advisory for mitigations.
References
- https://github.com/torvalds/linux/commit/cd21d99e595ec1d8721e1058dcdd4f1f7de1d793
- https://lists.debian.org/debian-lts-announce/2022/12/msg00031.html
- https://lore.kernel.org/r/20221123153543.8568-2-philipturnbull%40github.com
- https://security.netapp.com/advisory/ntap-20230113-0007/
- https://github.com/torvalds/linux/commit/cd21d99e595ec1d8721e1058dcdd4f1f7de1d793
- https://lists.debian.org/debian-lts-announce/2022/12/msg00031.html
- https://lore.kernel.org/r/20221123153543.8568-2-philipturnbull%40github.com
- https://security.netapp.com/advisory/ntap-20230113-0007/
- https://cert-portal.siemens.com/productcert/html/ssa-794697.html
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