UBUNTU-CVE-2024-27410
In the Linux kernel, the following vulnerability has been resolved: wifi: nl80211: reject iftype change with mesh ID change It's currently possible to change the mesh ID when the interface isn't yet in mesh mode, at the same time as changing it into mesh mode. This leads to an overwrite of data in the wdev->u union for the interface type it currently has, causing cfg80211_change_iface() to do wrong things when switching. We could probably allow setting an interface to mesh while setting the mesh ID at the same time by doing a different order of operations here, but realistically there's no userspace that's going to do this, so just disallow changes in iftype when setting mesh ID.
02 / AFFECTED SOFTWARE
Affected packages
11 explicit affected versions
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3 explicit affected versions
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26 explicit affected versions
35 explicit affected versions
37 explicit affected versions
14 explicit affected versions
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39 explicit affected versions
9 explicit affected versions
38 explicit affected versions
11 explicit affected versions
46 explicit affected versions
8 explicit affected versions
7 explicit affected versions
20 explicit affected versions
97 explicit affected versions
50 explicit affected versions
121 explicit affected versions
4 explicit affected versions
1 explicit affected versions
1 explicit affected versions
44 explicit affected versions
13 explicit affected versions
43 explicit affected versions
44 explicit affected versions
10 explicit affected versions
8 explicit affected versions
14 explicit affected versions
79 explicit affected versions
4 explicit affected versions
68 explicit affected versions
11 explicit affected versions
1 explicit affected versions
69 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
In the Linux kernel, the following vulnerability has been resolved: wifi: nl80211: reject iftype change with mesh ID change It's currently possible to change the mesh ID when the interface isn't yet in mesh mode, at the same time as changing it into mesh mode. This leads to an overwrite of data in the wdev->u union for the interface type it currently has, causing cfg80211_change_iface() to do wrong things when switching. We could probably allow setting an interface to mesh while setting the mesh ID at the same time by doing a different order of operations here, but realistically there's no userspace that's going to do this, so just disallow changes in iftype when setting mesh ID.
05 / REFERENCES
Further evidence
- https://git.kernel.org/linus/f78c1375339a291cba492a70eaf12ec501d28a8e
- https://git.kernel.org/stable/c/063715c33b4c37587aeca2c83cf08ead0c542995
- https://git.kernel.org/stable/c/0cfbb26ee5e7b3d6483a73883f9f6157bca22ec9
- https://git.kernel.org/stable/c/177d574be4b58f832354ab1ef5a297aa0c9aa2df
- https://git.kernel.org/stable/c/930e826962d9f01dcd2220176134427358d112f2
- https://git.kernel.org/stable/c/99eb2159680af8786104dac80528acd5acd45980
- https://git.kernel.org/stable/c/a2add961a5ed25cfd6a74f9ffb9e7ab6d6ded838
- https://git.kernel.org/stable/c/d38d31bbbb9dc0d4d71a45431eafba03d0bc150d
- https://git.kernel.org/stable/c/f78c1375339a291cba492a70eaf12ec501d28a8e
- https://ubuntu.com/security/CVE-2024-27410
- https://ubuntu.com/security/notices/USN-6820-1
- https://ubuntu.com/security/notices/USN-6820-2
- https://ubuntu.com/security/notices/USN-6821-1
- https://ubuntu.com/security/notices/USN-6821-2
- https://ubuntu.com/security/notices/USN-6821-3
- https://ubuntu.com/security/notices/USN-6821-4
- https://ubuntu.com/security/notices/USN-6828-1
- https://ubuntu.com/security/notices/USN-6831-1
- https://ubuntu.com/security/notices/USN-6867-1
- https://ubuntu.com/security/notices/USN-6871-1
- https://ubuntu.com/security/notices/USN-6892-1
- https://ubuntu.com/security/notices/USN-6919-1
- https://www.cve.org/CVERecord?id=CVE-2024-27410