IM
IronMonkey Threat Research

CVE-2026-43493 CRITICAL

Published: 2026-05-19 | Last Modified: 2026-06-26 | Status: Analyzed

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

Base Score: 9.8 (CRITICAL)

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

Attack VectorNETWORK
Attack ComplexityLOW
Privileges RequiredNONE
User InteractionNONE
ScopeUNCHANGED
Confidentiality ImpactHIGH
Integrity ImpactHIGH
Availability ImpactHIGH

Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67

Type: Secondary

Exploitability Score: 3.9

Impact Score: 5.9

Weaknesses

Source Type Description
[email protected] Primary
en NVD-CWE-noinfo

Affected Products

Vendor Product Version Update Type
linux linux_kernel * <built-in method update of dict object at 0x7fd36a716a00> Operating System
linux linux_kernel * <built-in method update of dict object at 0x7fd36a717740> Operating System
linux linux_kernel * <built-in method update of dict object at 0x7fd36a715280> Operating System
linux linux_kernel * <built-in method update of dict object at 0x7fd36960f5c0> Operating System
linux linux_kernel * <built-in method update of dict object at 0x7fd36a7179c0> Operating System
linux linux_kernel * <built-in method update of dict object at 0x7fd289dc4c40> Operating System
linux linux_kernel * <built-in method update of dict object at 0x7fd36a7140c0> Operating System

Affected Configurations

Operator: OR

Vulnerable CPE
Yes cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Yes cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Yes cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Yes cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Yes cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Yes cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Yes cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

References