What’s Vulnerable › Vulnerabilities

CVE-2026-80524: optee: ffa: Add NULL check in optee_ffa_lend_protmem

• 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: 2026-08-26 · updated 2026-10-15

Description

In the Linux kernel, the following vulnerability has been resolved: optee: ffa: Add NULL check in optee_ffa_lend_protmem Sashiko (locally) reports a possible null dereference under memory pressure due to the lack of validation of the allocated pointer. Fix that by adding the missing check.

Affected products

• Linux kernel: 6.18 — fixed in 7.2

How to fix

Upgrade to a fixed version: Linux kernel 7.2. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/0977a6f23439616701282fc4cb38eca40f36fec6
• https://git.kernel.org/stable/c/650c88738ae8976f46ba71b24dd8aa311adc6fde
• https://git.kernel.org/stable/c/94bf4fe0e46349c4e73df66dcda073187bc90cc1

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