- Vulnerability/
- CVE-2024-50295
CVE-2024-50295: net: arc: fix the device for dma_map_single/dma_unmap_single
First published: Tue Nov 19 2024(Updated: )
In the Linux kernel, the following vulnerability has been resolved: net: arc: fix the device for dma_map_single/dma_unmap_single The ndev->dev and pdev->dev aren't the same device, use ndev->dev.parent which has dma_mask, ndev->dev.parent is just pdev->dev. Or it would cause the following issue: [ 39.933526] ------------[ cut here ]------------ [ 39.938414] WARNING: CPU: 1 PID: 501 at kernel/dma/mapping.c:149 dma_map_page_attrs+0x90/0x1f8
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/linux | <=5.10.223-1 | 5.10.234-1 6.1.129-1 6.1.133-1 6.12.22-1 |
| debian/linux-6.1 | 6.1.129-1~deb11u1 |
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Reference Links
- https://git.kernel.org/stable/c/30606ea3fae57f8e9f2467415389e988e3c53a18
- https://git.kernel.org/stable/c/3898393b5483c8aa2efd7cb13aa70e22078ab022
- https://git.kernel.org/stable/c/71803c1dfa29e0d13b99e48fda11107cc8caebc7
- https://git.kernel.org/stable/c/8ed7a4a39c3f7cd9655af867e878fda512ae67ad
- https://git.kernel.org/stable/c/cd4706d9ac0d8d3bab8dc9e50cc1187f6cfa43dd
- https://git.kernel.org/stable/c/fd4e062fbc07156f8e9d73212d347c744572677e
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-50295
- https://nvd.nist.gov/vuln/detail/CVE-2024-50295
- https://launchpad.net/bugs/cve/CVE-2024-50295
- https://security-tracker.debian.org/tracker/CVE-2024-50295
- https://ubuntu.com/security/CVE-2024-50295
- https://git.kernel.org/linus/71803c1dfa29e0d13b99e48fda11107cc8caebc7
Frequently Asked Questions
What is the severity of CVE-2024-50295?
The severity of CVE-2024-50295 is considered moderate due to potential impacts on device functionality.
How do I fix CVE-2024-50295?
To fix CVE-2024-50295, you should upgrade the Linux packages to the recommended versions: 6.1.123-1, 6.1.128-1, 6.12.12-1, or 6.12.15-1.
Which versions of Linux are vulnerable to CVE-2024-50295?
Vulnerable versions of Linux include those up to and including 5.10.226-1.
Is there a patch available for CVE-2024-50295?
Yes, patches have been released in the newer versions of the Linux kernel addressing CVE-2024-50295.
What components are affected by CVE-2024-50295?
CVE-2024-50295 affects the net subsystem in the Linux kernel specifically related to device mapping.
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