CVE-2026-43493 CRITICAL

CVE-2026-43493: crypto: pcrypt - Fix handling of MAY_BACKLOG requests

Vendor Linux
Product Linux
Published May 19, 2026
Last update June 14, 2026
View on NVD All CVEs

CVSS base score

9.8/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

In the Linux kernel, the following vulnerability has been resolved: crypto: pcrypt - Fix handling of MAY_BACKLOG requests MAY_BACKLOG requests can return EBUSY. Handle them by checking for that value and filtering out EINPROGRESS notifications.

Key dates

02Disclosure timeline

May 19, 2026 CVE published
June 14, 2026 Record updated