CVE-2024-40929: wifi: iwlwifi: mvm: check n_ssids before accessing the ssids
First published: Fri Jul 12 2024(Updated: )
In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: mvm: check n_ssids before accessing the ssids In some versions of cfg80211, the ssids poinet might be a valid one even though n_ssids is 0. Accessing the pointer in this case will cuase an out-of-bound access. Fix this by checking n_ssids first.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/kernel | <5.10.221 | 5.10.221 |
| redhat/kernel | <5.15.162 | 5.15.162 |
| redhat/kernel | <6.1.95 | 6.1.95 |
| redhat/kernel | <6.6.35 | 6.6.35 |
| redhat/kernel | <6.9.6 | 6.9.6 |
| redhat/kernel | <6.10 | 6.10 |
| debian/linux | 5.10.223-1 5.10.226-1 6.1.115-1 6.1.112-1 6.11.5-1 6.11.7-1 |
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Reference Links
- https://git.kernel.org/stable/c/29a18d56bd64b95bd10bda4afda512558471382a
- https://git.kernel.org/stable/c/3c4771091ea8016c8601399078916f722dd8833b
- https://git.kernel.org/stable/c/60d62757df30b74bf397a2847a6db7385c6ee281
- https://git.kernel.org/stable/c/62e007bdeb91c6879a4652c3426aef1cd9d2937b
- https://git.kernel.org/stable/c/9e719ae3abad60e245ce248ba3f08148f375a614
- https://git.kernel.org/stable/c/f777792952d03bbaf8329fdfa99393a5a33e2640
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-40929
- https://nvd.nist.gov/vuln/detail/CVE-2024-40929
- https://launchpad.net/bugs/cve/CVE-2024-40929
- https://security-tracker.debian.org/tracker/CVE-2024-40929
- https://ubuntu.com/security/CVE-2024-40929
- https://git.kernel.org/linus/60d62757df30b74bf397a2847a6db7385c6ee281
- https://access.redhat.com/errata/RHSA-2024:5928
- https://access.redhat.com/errata/RHSA-2024:7001
- https://access.redhat.com/errata/RHSA-2024:7000
- https://bugzilla.redhat.com/show_bug.cgi?id=2297513
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