CVE-2026-43493

Advisory lineage Upstream: 0 Downstream: 5
Awaiting Analysis
Published: 19 May 2026, 10:44
Last modified:14 Jun 2026, 17:45

Vulnerability Summary

Overall Risk (default)
high
70/100
CVSS Score
9.8 CRITICAL
v3.1 (cve.org)
EPSS Score
0.54% LOW
1% probability +0.47%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

19 May 2026, 10:44
Published
Vulnerability first disclosed
14 Jun 2026, 17:45
Last Modified
Vulnerability information updated

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.

CVSS Metrics

  • v3.1•CRITICAL•Score: 9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Trends

Current EPSS score: 0.54%• Percentile: 41%

Affected Systems

  • linux•linux

    ≥ 5a1436beec5744029f3ac90b6fe71a698dcd6155, < ae7e95638d956d556d74b9abb9e780d3bd3dcd9e | ≥ 5a1436beec5744029f3ac90b6fe71a698dcd6155, < 1d7f07df450bac3301938fbc4251f2611be4084e | ≥ 5a1436beec5744029f3ac90b6fe71a698dcd6155, < 76641449b28979ebd6c02e9598367e119e385236 | ≥ 5a1436beec5744029f3ac90b6fe71a698dcd6155, < 9f1cbca178c03188e201ed175251372149bb25f2 | ≥ 5a1436beec5744029f3ac90b6fe71a698dcd6155, < eb34e243df57e32f4c08fa191f3602ea19076276 | ≥ 5a1436beec5744029f3ac90b6fe71a698dcd6155, < 77d55bc8675ee851ed639dc9be77325a8024cf67 | ≥ 5a1436beec5744029f3ac90b6fe71a698dcd6155, < 46271895ddfb1ba41f89f7e0dffbe9c2bcf7380a | ≥ 5a1436beec5744029f3ac90b6fe71a698dcd6155, < 915b692e6cb723aac658c25eb82c58fd81235110 | 2.6.34

References (8)