- Vulnerability/
- CVE-2024-40938
12/7/2024
12/7/2024
19/12/2024
CVE-2024-40938: landlock: Fix d_parent walk
First published: Fri Jul 12 2024(Updated: )
In the Linux kernel, the following vulnerability has been resolved: landlock: Fix d_parent walk The WARN_ON_ONCE() in collect_domain_accesses() can be triggered when trying to link a root mount point. This cannot work in practice because this directory is mounted, but the VFS check is done after the call to security_path_link(). Do not use source directory's d_parent when the source directory is the mount point. [mic: Fix commit message]
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/linux | 5.10.223-1 5.10.226-1 6.1.115-1 6.1.119-1 6.11.10-1 6.12.5-1 |
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Reference Links
- https://git.kernel.org/stable/c/88da52ccd66e65f2e63a6c35c9dff55d448ef4dc
- https://git.kernel.org/stable/c/b6e5e696435832b33e40775f060ef5c95f4fda1f
- https://git.kernel.org/stable/c/c7618c7b0b8c45bcef34410cc1d1e953eb17f8f6
- https://git.kernel.org/stable/c/cc30d05b34f9a087a6928d09b131f7b491e9ab11
- https://git.kernel.org/linus/88da52ccd66e65f2e63a6c35c9dff55d448ef4dc
- https://security-tracker.debian.org/tracker/CVE-2024-40938
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-40938
- https://nvd.nist.gov/vuln/detail/CVE-2024-40938
- https://launchpad.net/bugs/cve/CVE-2024-40938
- https://ubuntu.com/security/CVE-2024-40938
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