CVE-2024-50091: dm vdo: don't refer to dedupe_context after releasing it
First published: Tue Nov 05 2024(Updated: )
In the Linux kernel, the following vulnerability has been resolved: dm vdo: don't refer to dedupe_context after releasing it Clear the dedupe_context pointer in a data_vio whenever ownership of the context is lost, so that vdo can't examine it accidentally.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Kernel | <6.11.4 |
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Reference Links
- https://git.kernel.org/stable/c/63ef073084c67878d7a92e15ad055172da3f05a3
- https://git.kernel.org/stable/c/0808ebf2f80b962e75741a41ced372a7116f1e26
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-50091
- https://nvd.nist.gov/vuln/detail/CVE-2024-50091
- https://launchpad.net/bugs/cve/CVE-2024-50091
- https://security-tracker.debian.org/tracker/CVE-2024-50091
- https://ubuntu.com/security/CVE-2024-50091
Frequently Asked Questions
What is the severity of CVE-2024-50091?
CVE-2024-50091 has not been assigned a specific severity rating yet, but it involves a critical issue in the Linux kernel.
How do I fix CVE-2024-50091?
To fix CVE-2024-50091, ensure that you update your Linux kernel to version 6.11.5 or later.
What components are affected by CVE-2024-50091?
CVE-2024-50091 affects Linux kernel versions up to and including 6.11.4.
What is the impact of CVE-2024-50091?
The impact of CVE-2024-50091 could potentially lead to unintended access due to improper handling of the dedupe_context pointer.
Is CVE-2024-50091 being actively exploited?
As of now, there is no public indication that CVE-2024-50091 is being actively exploited in the wild.
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