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Red Hat: CVE-2022-48754: kernel: phylib: fix potential use-after-free (Multiple Advisories)

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Red Hat: CVE-2022-48754: kernel: phylib: fix potential use-after-free (Multiple Advisories)

Severity
6
CVSS
(AV:L/AC:L/Au:M/C:P/I:P/A:C)
Published
06/20/2024
Created
09/14/2024
Added
09/13/2024
Modified
09/25/2024

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().

Solution(s)

  • redhat-upgrade-kernel
  • redhat-upgrade-kernel-rt

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