CVE-2023-53019
HIGH severity · CVSS 7.8 · CWE-129
7.8CVSS HIGH
Summary
In the Linux kernel, the following vulnerability has been resolved: net: mdio: validate parameter addr in mdiobus_get_phy() The caller may pass any value as addr, what may result in an out-of-bounds access to array mdio_map. One existing case is stmmac_init_phy() that may pass -1 as addr. Therefore validate addr before using it.
Impact & exploitability
Attack vectorLocal
Attack complexityLow
Privileges requiredLow
User interactionNone
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)0%
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Official patch: https://git.kernel.org/stable/c/1d80c259dfbadefa61b7ea334dfce5cb57f8c72f ↗
Additional information
- NVD record
- https://git.kernel.org/stable/c/1d80c259dfbadefa61b7ea334dfce5cb57f8c72fPatch
- https://git.kernel.org/stable/c/4bc5f1f6bc94e695dfd912122af96e7115a0ddb8Patch
- https://git.kernel.org/stable/c/7879626296e6ffd838ae0f2af1ab49ee46354973Patch
- https://git.kernel.org/stable/c/867dbe784c5010a466f00a7d1467c1c5ea569c75Patch
- https://git.kernel.org/stable/c/8a7b9560a3a8eb8724888c426e05926752f73aa0Patch
- https://git.kernel.org/stable/c/ad67de330d83e8078372b52af18ffe8d39e26c85Patch
- https://git.kernel.org/stable/c/c431a3d642593bbdb99e8a9e3eed608b730db6f8Patch