ByteOS Network

CVE Vulnerability Details :

CVE-2026-43493

PUBLISHED

More Info Official Page

Assigner-Linux

Assigner Org ID-416baaa9-dc9f-4396-8d5f-8c081fb06d67

Published At-19 May, 2026 | 10:44

Updated At-01 Jun, 2026 | 16:15

▼CVE Numbering Authority (CNA)

crypto: pcrypt - Fix handling of MAY_BACKLOG requests

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.

Affected Products

Vendor

Linux Kernel Organization, Inc

Product

Linux

Repo

https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

Program Files

crypto/pcrypt.c

Default Status

unaffected

Versions

Affected

From 5a1436beec5744029f3ac90b6fe71a698dcd6155 before ae7e95638d956d556d74b9abb9e780d3bd3dcd9e (git)
From 5a1436beec5744029f3ac90b6fe71a698dcd6155 before 1d7f07df450bac3301938fbc4251f2611be4084e (git)
From 5a1436beec5744029f3ac90b6fe71a698dcd6155 before 76641449b28979ebd6c02e9598367e119e385236 (git)
From 5a1436beec5744029f3ac90b6fe71a698dcd6155 before 9f1cbca178c03188e201ed175251372149bb25f2 (git)
From 5a1436beec5744029f3ac90b6fe71a698dcd6155 before eb34e243df57e32f4c08fa191f3602ea19076276 (git)
From 5a1436beec5744029f3ac90b6fe71a698dcd6155 before 77d55bc8675ee851ed639dc9be77325a8024cf67 (git)
From 5a1436beec5744029f3ac90b6fe71a698dcd6155 before 46271895ddfb1ba41f89f7e0dffbe9c2bcf7380a (git)
From 5a1436beec5744029f3ac90b6fe71a698dcd6155 before 915b692e6cb723aac658c25eb82c58fd81235110 (git)

Vendor

Linux Kernel Organization, Inc

Product

Linux

Repo

https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

Program Files

crypto/pcrypt.c

Default Status

affected

Versions

Affected

2.6.34

Unaffected

From 0 before 2.6.34 (semver)
From 5.10.258 through 5.10.* (semver)
From 5.15.209 through 5.15.* (semver)
From 6.1.175 through 6.1.* (semver)
From 6.6.140 through 6.6.* (semver)
From 6.12.86 through 6.12.* (semver)
From 6.18.27 through 6.18.* (semver)
From 7.0.4 through 7.0.* (semver)
From 7.1-rc1 through * (original_commit_for_fix)

Metrics

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

Version: 3.1

Base score: 9.8

Base severity: CRITICAL

Vector:

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

References

Hyperlink	Resource
https://git.kernel.org/stable/c/ae7e95638d956d556d74b9abb9e780d3bd3dcd9e	N/A
https://git.kernel.org/stable/c/1d7f07df450bac3301938fbc4251f2611be4084e	N/A
https://git.kernel.org/stable/c/76641449b28979ebd6c02e9598367e119e385236	N/A
https://git.kernel.org/stable/c/9f1cbca178c03188e201ed175251372149bb25f2	N/A
https://git.kernel.org/stable/c/eb34e243df57e32f4c08fa191f3602ea19076276	N/A
https://git.kernel.org/stable/c/77d55bc8675ee851ed639dc9be77325a8024cf67	N/A
https://git.kernel.org/stable/c/46271895ddfb1ba41f89f7e0dffbe9c2bcf7380a	N/A
https://git.kernel.org/stable/c/915b692e6cb723aac658c25eb82c58fd81235110	N/A