CVE-2026-43493

9.8 CRITICAL

In the Linux kernel, the following vulnerability has been resolved: crypto: pcrypt - Fix handling of MAY_BACKLOG requests MAY_BACKLOG r...

Published: 2026-05-19 · Last updated: 2026-06-01

Severity and scoring

CVSS: 9.8 CRITICAL
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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.

Source: NVD

References

[NVD]https://nvd.nist.gov/vuln/detail/CVE-2026-43493
[Other]https://git.kernel.org/stable/c/1d7f07df450bac3301938fbc4251f2611be4084e
[Other]https://git.kernel.org/stable/c/46271895ddfb1ba41f89f7e0dffbe9c2bcf7380a
[Other]https://git.kernel.org/stable/c/76641449b28979ebd6c02e9598367e119e385236
[Other]https://git.kernel.org/stable/c/77d55bc8675ee851ed639dc9be77325a8024cf67
[Other]https://git.kernel.org/stable/c/915b692e6cb723aac658c25eb82c58fd81235110
[Other]https://git.kernel.org/stable/c/9f1cbca178c03188e201ed175251372149bb25f2
[Other]https://git.kernel.org/stable/c/ae7e95638d956d556d74b9abb9e780d3bd3dcd9e
[Other]https://git.kernel.org/stable/c/eb34e243df57e32f4c08fa191f3602ea19076276