crypto: algif_aead - Revert to operating out-of-place (CVE-2026-31431)

Brocade ASC-Gateway OVA

3 more products

37827

01 July 2026

01 July 2026

CLOSED

HIGH

7.8 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVE-2026-31431

Brocade Security Advisory ID

BSA-2026-3599

Component

Linux Kernel

CWE-669: Incorrect Resource Transfer Between Spheres 
   

Summary

In 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. 

Products Affected

  • Brocade ASCG base OS (OVA deployment) before 3.4.0c

Products Confirmed Not Affected

  • Brocade ASCG Standard versions
    [VEX Justification: Vulnerable_code_not_in_execute_path]
  • Brocade Fabric OS  is not exploitable. [VEX Justification: Vulnerable_code_not_present] 
  • Brocade SANnav Standard versions
    [VEX Justification: Vulnerable_code_not_in_execute_path]
  • SANnav base OS (OVA deployments): Vulnerable if user sannavmgr account is compromised, otherwise Vulnerable_code_cannot_be_controlled_by_adversary

Solution

  • Security update is provided in Brocade ASCG base OS (OVA Deployment) 3.4.0c

Revision History

Version

Change

Date

1.0

Initial Publication

7/1/2026

 

Disclaimer

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