CVE-2022-47518
Published: December 18, 2022Last modified: August 23, 2024
Description
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.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 7.8 |
| Attack Vector | LOCAL |
| Attack complexity | LOW |
| Privileges required | LOW |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | HIGH |
| Integrity impact | HIGH |
| Availability impact | HIGH |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | Stream | linux-lts | Not affected (6.1.33-r0) |
References
- https://cert-portal.siemens.com/productcert/html/ssa-794697.html
- https://github.com/torvalds/linux/commit/0cdfa9e6f0915e3d243e2393bfa8a22e12d553b0
- https://lists.debian.org/debian-lts-announce/2022/12/msg00031.html
- https://lore.kernel.org/r/20221123153543.8568-5-philipturnbull%40github.com
- https://security.netapp.com/advisory/ntap-20230113-0007/