CVE-2026-74693
Published Aug 22, 2026
Description
In the Linux kernel, the following vulnerability has been resolved: net: prestera: validate firmware header length prestera_fw_hdr_parse() reads the firmware header before checking that the firmware image contains that header. Reject images shorter than struct prestera_fw_header before decoding the magic and version fields.
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EPSS — Exploit Prediction
0.0018
Probability of exploitation
0.07%
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/0fbcceb9d19f2d1dcdf099aee590f2517cb718bb
https://git.kernel.org/stable/c/363e048a9d0a6c245cbc348c8a220170afed046a
https://git.kernel.org/stable/c/38a3afbf9fd8a2e8c47fa3ca47b425a8a9623240
https://git.kernel.org/stable/c/470ac9cce7308e60cf2dceb448749cdd006e73de
https://git.kernel.org/stable/c/6fad06bb793d7089ae05b9fcf46e11be2dfe4850
https://git.kernel.org/stable/c/7fa8a12296d8d5aa4b1c3904f0b354d81124cf29
https://git.kernel.org/stable/c/8ae344eb540af3f457179b52bc6061416752485c
https://git.kernel.org/stable/c/e0f382e8084117f0b11ffb070fe1079e38c0d7f9
Frequently Asked Questions
What is CVE-2026-74693? +
In the Linux kernel, the following vulnerability has been resolved:
net: prestera: validate firmware header length
prestera_fw_hdr_parse() reads the firmware header before checking
that the firmware image contains that header.
Reject images shorter than struct prestera_fw_header before decoding the
magic and version fields.
How do I check if I'm vulnerable to CVE-2026-74693? +
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.