CVE-2024-50295: linux kernel — Fix

Description

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

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CVSS v3.1 Score

5.5

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected Products

Vendor	Product	Versions
linux	linux_kernel	5.9.2 — 5.10.230
linux	linux_kernel	5.11 — 5.15.172
linux	linux_kernel	5.16 — 6.1.117
linux	linux_kernel	6.2 — 6.6.61
linux	linux_kernel	6.7 — 6.11.8
linux	linux_kernel	All
linux	linux_kernel	All
linux	linux_kernel	All
linux	linux_kernel	All
linux	linux_kernel	All
linux	linux_kernel	All

References

Advisories & Patches

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

Other References

https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html

Frequently Asked Questions

What is CVE-2024-50295? +

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 It has a CVSS v3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2024-50295? +

CVE-2024-50295 has a CVSS v3.1 score of 5.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2024-50295? +

CVE-2024-50295 affects products from linux, specifically: linux_kernel. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-50295? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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CVE-2024-50295