CVE-2024-26822: smb: client: set correct id, uid and cruid for multiuser automounts
First published: Wed Apr 17 2024(Updated: )
In the Linux kernel, the following vulnerability has been resolved: smb: client: set correct id, uid and cruid for multiuser automounts When uid, gid and cruid are not specified, we need to dynamically set them into the filesystem context used for automounting otherwise they'll end up reusing the values from the parent mount.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Kernel | >=6.2<6.6.18 | |
| Linux Kernel | >=6.7<6.7.6 | |
| Linux Kernel | =5.15.124 | |
| Linux Kernel | =6.1.54 | |
| Linux Kernel | =6.8-rc1 | |
| Linux Kernel | =6.8-rc2 | |
| Linux Kernel | =6.8-rc3 | |
| Linux Kernel | =6.8-rc4 | |
| debian/linux | <=6.1.129-1<=6.1.135-1 | 5.10.223-1 5.10.234-1 6.12.22-1 6.12.25-1 |
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Reference Links
- https://git.kernel.org/stable/c/4508ec17357094e2075f334948393ddedbb75157
- https://git.kernel.org/stable/c/7590ba9057c6d74c66f3b909a383ec47cd2f27fb
- https://git.kernel.org/stable/c/c2aa2718cda2d56b4a551cb40043e9abc9684626
- https://launchpad.net/bugs/cve/CVE-2024-26822
- https://git.kernel.org/linus/4508ec17357094e2075f334948393ddedbb75157
- https://security-tracker.debian.org/tracker/CVE-2024-26822
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-26822
- https://nvd.nist.gov/vuln/detail/CVE-2024-26822
- https://ubuntu.com/security/CVE-2024-26822
Frequently Asked Questions
What is the severity of CVE-2024-26822?
CVE-2024-26822 is considered a medium severity vulnerability in the Linux kernel.
How do I fix CVE-2024-26822?
To fix CVE-2024-26822, update your Linux kernel to versions 5.10.223-1, 5.10.226-1, 6.12.10-1, or 6.12.11-1.
Which systems are affected by CVE-2024-26822?
CVE-2024-26822 affects Linux kernel versions up to and including 6.1.123-1 and 6.1.119-1.
What type of vulnerability is CVE-2024-26822?
CVE-2024-26822 is a filesystem context vulnerability related to multiuser automounting in the Linux kernel.
Is there a workaround for CVE-2024-26822?
Currently, there is no known workaround for CVE-2024-26822 other than applying the kernel updates.
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