What’s Vulnerable › Vulnerabilities

CVE-2026-93213: of: fix out-of-bounds read in of_alias_scan() stem parser

• Severity: unknown
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-24 · updated 2026-10-19

Description

In the Linux kernel, the following vulnerability has been resolved: of: fix out-of-bounds read in of_alias_scan() stem parser The stem parser tests isdigit(*(end - 1)) before checking end > start and so reads one byte before the property name when the name is empty or all digits. Check the bound first.

Affected products

• Linux kernel: 3.2 — fixed in 7.3

How to fix

Upgrade to a fixed version: Linux kernel 7.3. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/5bb01c657ff9fc807c2c592ca18af34c4fc3bc6f
• https://git.kernel.org/stable/c/9253cfc5a85be1494ce56b4fc6f2d2b509440910
• https://git.kernel.org/stable/c/958d7ee9fcf008ef9d2072c6410ee1bf6abf3b64
• https://git.kernel.org/stable/c/96a9c984dd7c3589a2707a32b62802f98311dbfd
• https://git.kernel.org/stable/c/acd1b49043366f43e932308b4db7d3ce568eeadb
• https://git.kernel.org/stable/c/da7a80ddc610a19b0378016a4d816b9355f013a7
• https://git.kernel.org/stable/c/f7f6c3e32a31f2e1ed12075e8cd22b370a84e67a
• https://git.kernel.org/stable/c/fd0c7bbda81c0e0c1cb7b68d267b87371584f560

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