CVE-2022-48754
HighIn 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().
CVSS 3.1 score
8.4
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness type
CWE-416CVE-2022-48754 is a Use After Free vulnerability
What is Use After Free?
The product references memory after it has been freed, which may cause it to crash, use unexpected values, or execute code. Learn more on MITRE CWE
References
The following references provide additional information about CVE-2022-48754 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.
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PatchKernel patch commithttps://git.kernel.org/stable/c/67d271760b037ce0806d687ee6057edc8afd4205
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PatchKernel patch commithttps://git.kernel.org/stable/c/aefaccd19379d6c4620269a162bfb88ff687f289
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PatchKernel patch commithttps://git.kernel.org/stable/c/bd024e36f68174b1793906c39ca16cee0c9295c2
Frequently asked questions
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What is CVE-2022-48754?
CVE-2022-48754 is a High severity Linux kernel vulnerability with a CVSS score of 8.4 out of 10 , classified as an Use After Free flaw (CWE-416) . CVE-2022-48754 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
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What is the CVSS score for CVE-2022-48754?
CVE-2022-48754 has a CVSS score of 8.4 out of 10, rated High severity (CVSS 3.1). The vector string is
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. -
Is there a patch available for CVE-2022-48754?
No patch is currently available for CVE-2022-48754. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
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Is CVE-2022-48754 actively exploited?
No — CVE-2022-48754 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
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What is Use After Free (CWE-416)?
The product references memory after it has been freed, which may cause it to crash, use unexpected values, or execute code. View CWE-416 on MITRE CWE →