CVE-2026-43493

CRITICAL 9.8

crypto: pcrypt - Fix handling of MAY_BACKLOG requests

CVSS Score

9.8

EPSS Score

0.0%

EPSS Percentile

0th

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.

Vendor	linux
Product	linux
Ecosystems	Linux Kernel
Industries	Technology
Published	May 19, 2026
Last Updated	Jun 14, 2026

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CVSS v3 Breakdown

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

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

Linux / Linux

5a1436beec5744029f3ac90b6fe71a698dcd6155 < ae7e95638d956d556d74b9abb9e780d3bd3dcd9e 5a1436beec5744029f3ac90b6fe71a698dcd6155 < 1d7f07df450bac3301938fbc4251f2611be4084e 5a1436beec5744029f3ac90b6fe71a698dcd6155 < 76641449b28979ebd6c02e9598367e119e385236 5a1436beec5744029f3ac90b6fe71a698dcd6155 < 9f1cbca178c03188e201ed175251372149bb25f2 5a1436beec5744029f3ac90b6fe71a698dcd6155 < eb34e243df57e32f4c08fa191f3602ea19076276 5a1436beec5744029f3ac90b6fe71a698dcd6155 < 77d55bc8675ee851ed639dc9be77325a8024cf67 5a1436beec5744029f3ac90b6fe71a698dcd6155 < 46271895ddfb1ba41f89f7e0dffbe9c2bcf7380a 5a1436beec5744029f3ac90b6fe71a698dcd6155 < 915b692e6cb723aac658c25eb82c58fd81235110

Linux / Linux

2.6.34

References

NVD ↗ CVE.org ↗ EPSS Data ↗