CVE-2022-47518: Buffer Overflow
First published: Sun Dec 18 2022(Updated: )
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.
Credit: cve@mitre.org cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Kernel | >=4.2<5.10.157 | |
| Linux Kernel | >=5.11<5.15.81 | |
| Linux Kernel | >=5.16<6.0.11 | |
| Debian | =10.0 | |
| All of | ||
| NetApp H410C | ||
| NetApp H410C Firmware | ||
| All of | ||
| NetApp H300S Firmware | ||
| NetApp H300S Firmware | ||
| All of | ||
| NetApp H500e Firmware | ||
| NetApp H500e Firmware | ||
| All of | ||
| NetApp H700S | ||
| NetApp H700S | ||
| All of | ||
| NetApp H410S | ||
| NetApp H410S Firmware | ||
| NetApp H410C | ||
| NetApp H410C Firmware | ||
| NetApp H300S Firmware | ||
| NetApp H300S Firmware | ||
| NetApp H500e Firmware | ||
| NetApp H500e Firmware | ||
| NetApp H700S | ||
| NetApp H700S | ||
| NetApp H410S | ||
| NetApp H410S Firmware | ||
| debian/linux | 5.10.223-1 5.10.234-1 6.1.123-1 6.1.128-1 6.12.17-1 |
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Reference Links
- https://github.com/torvalds/linux/commit/0cdfa9e6f0915e3d243e2393bfa8a22e12d553b0
- https://lore.kernel.org/r/20221123153543.8568-5-philipturnbull@github.com
- https://lists.debian.org/debian-lts-announce/2022/12/msg00031.html
- https://security.netapp.com/advisory/ntap-20230113-0007/
- https://launchpad.net/bugs/cve/CVE-2022-47518
- https://lore.kernel.org/r/20221123153543.8568-5-philipturnbull%40github.com
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-47518
- https://nvd.nist.gov/vuln/detail/CVE-2022-47518
- https://security-tracker.debian.org/tracker/CVE-2022-47518
- https://ubuntu.com/security/CVE-2022-47518
- https://git.kernel.org/linus/0cdfa9e6f0915e3d243e2393bfa8a22e12d553b0
Frequently Asked Questions
What is the severity of CVE-2022-47518?
CVE-2022-47518 has a medium severity rating due to the potential for a heap-based buffer overflow.
How do I fix CVE-2022-47518?
To address CVE-2022-47518, upgrade your Linux kernel to versions 5.10.223-1, 5.10.226-1, 6.1.119-1, 6.1.123-1, 6.12.11-1, or 6.12.12-1.
Which Linux kernel versions are affected by CVE-2022-47518?
CVE-2022-47518 affects Linux kernel versions prior to 6.0.11 including versions 4.2 to 5.10.157 and 5.11 to 5.15.81.
Is CVE-2022-47518 specific to any Linux distributions?
Yes, CVE-2022-47518 impacts the Linux kernel across various distributions, including Debian 10.0.
What type of vulnerability is CVE-2022-47518?
CVE-2022-47518 is classified as a heap-based buffer overflow vulnerability within the WILC1000 wireless driver.
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