CVE-2024-38562: wifi: nl80211: Avoid address calculations via out of bounds array indexing
First published: Wed Jun 19 2024(Updated: )
In the Linux kernel, the following vulnerability has been resolved: wifi: nl80211: Avoid address calculations via out of bounds array indexing Before request->channels[] can be used, request->n_channels must be set. Additionally, address calculations for memory after the "channels" array need to be calculated from the allocation base ("request") rather than via the first "out of bounds" index of "channels", otherwise run-time bounds checking will throw a warning.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Linux kernel | >=6.6<6.6.33 | |
| Linux Linux kernel | >=6.7<6.8.12 | |
| Linux Linux kernel | >=6.9<6.9.3 | |
| redhat/kernel | <6.6.33 | 6.6.33 |
| redhat/kernel | <6.8.12 | 6.8.12 |
| redhat/kernel | <6.9.3 | 6.9.3 |
| redhat/kernel | <6.10 | 6.10 |
| debian/linux | 5.10.223-1 5.10.226-1 6.1.115-1 6.1.119-1 6.12.6-1 6.12.8-1 |
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Reference Links
- https://git.kernel.org/stable/c/ed74398642fcb19f6ff385c35a7d512c6663e17b
- https://git.kernel.org/stable/c/4e2a5566462b53db7d4c4722da86eedf0b8f546c
- https://git.kernel.org/stable/c/8fa4d56564ee7cc2ee348258d88efe191d70dd7f
- https://git.kernel.org/stable/c/838c7b8f1f278404d9d684c34a8cb26dc41aaaa1
- https://launchpad.net/bugs/cve/CVE-2024-38562
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-38562
- https://nvd.nist.gov/vuln/detail/CVE-2024-38562
- https://security-tracker.debian.org/tracker/CVE-2024-38562
- https://ubuntu.com/security/CVE-2024-38562
- https://git.kernel.org/linus/838c7b8f1f278404d9d684c34a8cb26dc41aaaa1
- https://access.redhat.com/security/cve/CVE-2024-38562
- https://lore.kernel.org/linux-cve-announce/2024061954-CVE-2024-38562-21d9@gregkh/T
- https://access.redhat.com/errata/RHSA-2024:6997
- https://bugzilla.redhat.com/show_bug.cgi?id=2293431
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