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.

No CVSS v4.0

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Linux Linux unaffected
Version Status Constraints
4c2703dfd7fabb0824b3bc345f9fa47e33248c14 affected < 38a3afbf9fd8a2e8c47fa3ca47b425a8a9623240
4c2703dfd7fabb0824b3bc345f9fa47e33248c14 affected < 0fbcceb9d19f2d1dcdf099aee590f2517cb718bb
4c2703dfd7fabb0824b3bc345f9fa47e33248c14 affected < e0f382e8084117f0b11ffb070fe1079e38c0d7f9
4c2703dfd7fabb0824b3bc345f9fa47e33248c14 affected < 6fad06bb793d7089ae05b9fcf46e11be2dfe4850
4c2703dfd7fabb0824b3bc345f9fa47e33248c14 affected < 470ac9cce7308e60cf2dceb448749cdd006e73de
4c2703dfd7fabb0824b3bc345f9fa47e33248c14 affected < 363e048a9d0a6c245cbc348c8a220170afed046a
4c2703dfd7fabb0824b3bc345f9fa47e33248c14 affected < 7fa8a12296d8d5aa4b1c3904f0b354d81124cf29
4c2703dfd7fabb0824b3bc345f9fa47e33248c14 affected < 8ae344eb540af3f457179b52bc6061416752485c
Linux Linux affected
Version Status Constraints
5.10 affected —
0 unaffected < 5.10
5.10.265 unaffected ≤ 5.10.*
5.15.216 unaffected ≤ 5.15.*
6.1.183 unaffected ≤ 6.1.*
6.6.152 unaffected ≤ 6.6.*
6.12.104 unaffected ≤ 6.12.*
6.18.45 unaffected ≤ 6.18.*
7.1.9 unaffected ≤ 7.1.*
7.2 unaffected ≤ *

No data.

No data.

No data.

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Advisories

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Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://git.kernel.org/stable/c/0fbcceb9d19f2d1dcdf099aee590f2517cb718bb cve-icon
https://git.kernel.org/stable/c/363e048a9d0a6c245cbc348c8a220170afed046a cve-icon
https://git.kernel.org/stable/c/38a3afbf9fd8a2e8c47fa3ca47b425a8a9623240 cve-icon
https://git.kernel.org/stable/c/470ac9cce7308e60cf2dceb448749cdd006e73de cve-icon
https://git.kernel.org/stable/c/6fad06bb793d7089ae05b9fcf46e11be2dfe4850 cve-icon
https://git.kernel.org/stable/c/7fa8a12296d8d5aa4b1c3904f0b354d81124cf29 cve-icon
https://git.kernel.org/stable/c/8ae344eb540af3f457179b52bc6061416752485c cve-icon
https://git.kernel.org/stable/c/e0f382e8084117f0b11ffb070fe1079e38c0d7f9 cve-icon
History

Sat, 22 Aug 2026 15:45:00 +0000

Type Values Removed Values Added
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.
Title net: prestera: validate firmware header length
First Time appeared Linux
Linux linux Kernel
CPEs cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Vendors & Products Linux
Linux linux Kernel
References

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: Linux

Published:

Updated: 2026-08-22T15:32:56.491Z

Reserved: 2026-08-15T05:44:03.926Z

Link: CVE-2026-74693

cve-icon Vulnrichment

No data.

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses

No weakness.