CVE-2022-48754

HIGH
Published Jun 20, 2024 Modified Mar 24, 2025 CWE-416

Description

In the Linux kernel, the following vulnerability has been resolved: phylib: fix potential use-after-free Commit bafbdd527d56 ("phylib: Add device reset GPIO support") added call to phy_device_reset(phydev) after the put_device() call in phy_detach(). The comment before the put_device() call says that the phydev might go away with put_device(). Fix potential use-after-free by calling phy_device_reset() before put_device().

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CVSS v3.1 Score

8.4
HIGH
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness Type (CWE)

CWE-416 Use After Free

Affected Products

Vendor Product
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel

References

Advisories & Patches

https://git.kernel.org/stable/c/67d271760b037ce0806d687ee6057edc8afd4205 https://git.kernel.org/stable/c/aefaccd19379d6c4620269a162bfb88ff687f289 https://git.kernel.org/stable/c/bd024e36f68174b1793906c39ca16cee0c9295c2 https://git.kernel.org/stable/c/cb2fab10fc5e7a3aa1bb0a68a3abdcf3e37852af https://git.kernel.org/stable/c/cbda1b16687580d5beee38273f6241ae3725960c https://git.kernel.org/stable/c/f39027cbada43b33566c312e6be3db654ca3ad17 https://git.kernel.org/stable/c/67d271760b037ce0806d687ee6057edc8afd4205 https://git.kernel.org/stable/c/aefaccd19379d6c4620269a162bfb88ff687f289 https://git.kernel.org/stable/c/bd024e36f68174b1793906c39ca16cee0c9295c2 https://git.kernel.org/stable/c/cb2fab10fc5e7a3aa1bb0a68a3abdcf3e37852af https://git.kernel.org/stable/c/cbda1b16687580d5beee38273f6241ae3725960c https://git.kernel.org/stable/c/f39027cbada43b33566c312e6be3db654ca3ad17

Frequently Asked Questions

What is CVE-2022-48754? +
In the Linux kernel, the following vulnerability has been resolved: phylib: fix potential use-after-free Commit bafbdd527d56 ("phylib: Add device reset GPIO support") added call to phy_device_reset(phydev) after the put_device() call in phy_detach(). The comment before the put_device() call says that the phydev might go away with put_device(). Fix potential use-after-free by calling phy_device_reset() before put_device(). It has a CVSS v3.1 base score of 8.4 (HIGH).
How severe is CVE-2022-48754? +
CVE-2022-48754 has a CVSS v3.1 score of 8.4 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.
What products are affected by CVE-2022-48754? +
CVE-2022-48754 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-2022-48754? +
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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