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CVE-2026-43493

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CVE-2026-43493

Published: May 19, 2026

Modified: Jun 1, 2026

PUBLISHED

CVSS v3.1

9.8

CRITICAL

Description

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.

VendorProductVersions

Linux

Linux

affected
5a1436beec5744029f3ac90b6fe71a698dcd6155 - < ae7e95638d956d556d74b9abb9e780d3bd3dcd9e
affected
5a1436beec5744029f3ac90b6fe71a698dcd6155 - < 1d7f07df450bac3301938fbc4251f2611be4084e
affected
5a1436beec5744029f3ac90b6fe71a698dcd6155 - < 76641449b28979ebd6c02e9598367e119e385236
affected
5a1436beec5744029f3ac90b6fe71a698dcd6155 - < 9f1cbca178c03188e201ed175251372149bb25f2
affected
5a1436beec5744029f3ac90b6fe71a698dcd6155 - < eb34e243df57e32f4c08fa191f3602ea19076276

+3 more versions

Linux

Linux

affected
2.6.34
unaffected
0 - < 2.6.34
unaffected
5.10.258 - <= 5.10.*
unaffected
5.15.209 - <= 5.15.*
unaffected
6.1.175 - <= 6.1.*

+5 more versions

CVSS v3.1 Details

CVSS v3.1 Vector

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

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