CVE-2026-98578

Description

In the Linux kernel, the following vulnerability has been resolved: nfc: st21nfca: validate ISO15693 inventory length The ISO15693 inventory helper removes a two-byte prefix without checking that it exists, then accepts a one-byte remainder before reading data[1] as the DSFID. Require the prefix and at least two remaining bytes before copying the UID data and reading the DSFID.

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EPSS — Exploit Prediction

0.0022

Probability of exploitation

0.12%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

References

Other References

https://git.kernel.org/stable/c/3af2ea4035581a1607d9830779c187a0c7e225aa https://git.kernel.org/stable/c/57d183764f3002f9625ee4deeeb20716c519534e https://git.kernel.org/stable/c/6353dae51bc9b3cad13c9d890b53311a46c96b4e https://git.kernel.org/stable/c/7f2ea5ed588c03d481f0301e6c3d4240132383fb https://git.kernel.org/stable/c/9fa21b0f78adb514e3bd96a505ddb752e9727ff3 https://git.kernel.org/stable/c/a86987d03a4d39acdbe4533d83db4d656ea36c59 https://git.kernel.org/stable/c/e47b2a350bb0ff123434ec5484c6dc3333b0727c https://git.kernel.org/stable/c/fdd95e819d828c975aaeb258a3fed5dd7fd136d0

Frequently Asked Questions

What is CVE-2026-98578? +

In the Linux kernel, the following vulnerability has been resolved: nfc: st21nfca: validate ISO15693 inventory length The ISO15693 inventory helper removes a two-byte prefix without checking that it exists, then accepts a one-byte remainder before reading data[1] as the DSFID. Require the prefix and at least two remaining bytes before copying the UID data and reading the DSFID.

How do I check if I'm vulnerable to CVE-2026-98578? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.