CVE-2026-43493

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Source
https://cve.org/CVERecord?id=CVE-2026-43493
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-43493.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2026-43493
Downstream
Related
Published
2026-05-19T10:44:25.402Z
Modified
2026-06-28T03:54:48.958164884Z
Severity
  • 9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
crypto: pcrypt - Fix handling of MAY_BACKLOG requests
Details

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.

Database specific 
{
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43493.json"
}
References

Affected packages

Git / git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

Affected ranges

Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
5a1436beec5744029f3ac90b6fe71a698dcd6155
Fixed
ae7e95638d956d556d74b9abb9e780d3bd3dcd9e
Fixed
1d7f07df450bac3301938fbc4251f2611be4084e
Fixed
76641449b28979ebd6c02e9598367e119e385236
Fixed
9f1cbca178c03188e201ed175251372149bb25f2
Fixed
eb34e243df57e32f4c08fa191f3602ea19076276
Fixed
77d55bc8675ee851ed639dc9be77325a8024cf67
Fixed
46271895ddfb1ba41f89f7e0dffbe9c2bcf7380a
Fixed
915b692e6cb723aac658c25eb82c58fd81235110

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-43493.json"

Linux / Kernel

Package

Name
Kernel

Affected ranges

Type
ECOSYSTEM
Events
Introduced
2.6.34
Fixed
5.10.258
Type
ECOSYSTEM
Events
Introduced
5.11.0
Fixed
5.15.209
Type
ECOSYSTEM
Events
Introduced
5.16.0
Fixed
6.1.175
Type
ECOSYSTEM
Events
Introduced
6.2.0
Fixed
6.6.140
Type
ECOSYSTEM
Events
Introduced
6.7.0
Fixed
6.12.86
Type
ECOSYSTEM
Events
Introduced
6.13.0
Fixed
6.18.27
Type
ECOSYSTEM
Events
Introduced
6.19.0
Fixed
7.0.4

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-43493.json"