Statement on Local Privilege Escalation Vulnerability (CVE-2026-31431) "Copy Fail" on Linux Kernel

SA No:huawei-sn-SoLPEVCCFoLK-51325928
Initial Release Date:2026-05-01

Summary

Following the local privilege escalation vulnerability (CVE-2026-31431) "Copy Fail" on Linux Kernel, Huawei has launched an immediate investigation. Successful exploitation of this vulnerability allows attackers to escalate the local privilege to root or perform container escape. The investigation is still ongoing, and Huawei PSIRT will update this security notice (SN) as new information emerges.
(Vulnerability ID:HWPSIRT-2026-49540)
This vulnerability has been assigned a Common Vulnerabilities and Exposures (CVE) ID:CVE-2026-31431

Source

HWPSIRT-2026-49540:
The vulnerability has been publicly disclosed.

Revision History

2026-05-01 V1.0 Initial Release;

FAQs

None

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Declaration

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