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PUBLISHER UPDATE · CVE-2026-31431

CVE-2026-31431 release notes and known issues

Linux Kernel Vulnerability copy.fail - CVE-2026-31431

Scope: Fortinet products. This update record adds version, fix and known-issue context. Its publication date is not a lifecycle boundary.

Summary

CVSSv3 Score: 7.8 CVE-2026-31431In the Linux kernel, the following vulnerability has been resolved: crypto: algif_aead - Revert to operating out-of-place This mostly reverts commit 72548b093ee3 except for the copying of the associated data. There is no benefit in operating in-place in algif_aead since the source and destination come from different mappings. Get rid of all the complexity added for in-place operation and just copy the AD directly. Revised on 2026-05-13 00:00:00

Improvements and security content

  • CVSSv3 Score: 7.8 CVE-2026-31431In the Linux kernel, the following vulnerability has been resolved: crypto: algif_aead - Revert to operating out-of-place This mostly reverts commit 72548b093ee3 except for the copying of the associated data. There is no benefit in operating in-place in algif_aead since the source and destination come from different mappings. Get rid of all the complexity added for in-place operation and just copy the AD directly. Revised on 2026-05-13 00:00:00

Known issues

Publisher statement

Not stated. The verified publisher record does not contain a known-issues statement.

Affected products and versions

Products

  • Fortinet products

Affected versions

  • 7.8

Fixed versions or updates

  • No fixed version is stated in this record.

Recommended action

Review the official publisher document before deployment.

Related vulnerabilities

BlackTree CVE Intelligence

Official publisher evidence

FORTINETVERIFIED

Linux Kernel Vulnerability copy.fail - CVE-2026-31431

Checked 6 Oct 2026. BlackTree preserves the last verified facts if a later source check is temporarily unavailable.

Open the official publisher source