CVE-2024-50008: wifi: mwifiex: Fix memcpy() field-spanning write warning in mwifiex_cmd_802_11_scan_ext()
First published: Mon Oct 21 2024(Updated: )
In the Linux kernel, the following vulnerability has been resolved: wifi: mwifiex: Fix memcpy() field-spanning write warning in mwifiex_cmd_802_11_scan_ext() Replace one-element array with a flexible-array member in `struct host_cmd_ds_802_11_scan_ext`. With this, fix the following warning: elo 16 17:51:58 surfacebook kernel: ------------[ cut here ]------------ elo 16 17:51:58 surfacebook kernel: memcpy: detected field-spanning write (size 243) of single field "ext_scan->tlv_buffer" at drivers/net/wireless/marvell/mwifiex/scan.c:2239 (size 1) elo 16 17:51:58 surfacebook kernel: WARNING: CPU: 0 PID: 498 at drivers/net/wireless/marvell/mwifiex/scan.c:2239 mwifiex_cmd_802_11_scan_ext+0x83/0x90 [mwifiex]
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Kernel | <5.10.227 | |
| Linux Kernel | >=5.11<5.15.168 | |
| Linux Kernel | >=5.16<6.1.113 | |
| Linux Kernel | >=6.2<6.6.55 | |
| Linux Kernel | >=6.7<6.10.14 | |
| Linux Kernel | >=6.11<6.11.3 | |
| debian/linux | <=5.10.223-1<=5.10.226-1 | 6.1.123-1 6.1.128-1 6.12.12-1 6.12.15-1 |
| debian/linux-6.1 | 6.1.119-1~deb11u1 |
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Reference Links
- https://git.kernel.org/stable/c/17199b69a84798efffc475040fbef44374ef1de1
- https://git.kernel.org/stable/c/1756918f51e9ab247a0f4782cc28853c2bb457c1
- https://git.kernel.org/stable/c/498365e52bebcbc36a93279fe7e9d6aec8479cee
- https://git.kernel.org/stable/c/71267bd4e8c752d7af6c6b96bb83984a6a95273d
- https://git.kernel.org/stable/c/a3a12c30f9510f3753286fadbc6cdb7dad78c1d5
- https://git.kernel.org/stable/c/b55c8848fdc81514ec047b2a0ec782ffe9ab5323
- https://git.kernel.org/stable/c/e59bdb1ba594104cd0ee0af3ee9e4435d842a8fe
- https://git.kernel.org/stable/c/f9310a6704bf52e2493480edea896e1f9b795d40
- https://git.kernel.org/stable/c/fef7b51f22cf2049b0ca6740adeb0ba6f2e671dc
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-50008
- https://nvd.nist.gov/vuln/detail/CVE-2024-50008
- https://launchpad.net/bugs/cve/CVE-2024-50008
- https://security-tracker.debian.org/tracker/CVE-2024-50008
- https://ubuntu.com/security/CVE-2024-50008
- https://git.kernel.org/linus/498365e52bebcbc36a93279fe7e9d6aec8479cee
Frequently Asked Questions
What is the severity of CVE-2024-50008?
CVE-2024-50008 has been classified with a moderate severity level.
How do I fix CVE-2024-50008?
To address CVE-2024-50008, upgrade the Linux kernel to version 6.1.123-1 or later.
Which versions of the Linux kernel are affected by CVE-2024-50008?
CVE-2024-50008 affects Linux kernel versions up to and including 5.15.168, as well as ranges 5.11 through 5.16, 6.2 through 6.6.55, and several others until 6.11.
Is there a known exploit for CVE-2024-50008?
As of current information, there are no public exploits available for CVE-2024-50008.
What component of the Linux kernel is impacted by CVE-2024-50008?
CVE-2024-50008 impacts the mwifiex driver component related to Wi-Fi functionality in the Linux kernel.
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