PT-2026-41875 · Linux+3 · Linux Kernel+3

CVE-2026-43493

·

Published

2026-05-19

·

Updated

2026-09-09

CVSS v3.1

9.8

Critical

VectorAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)
Description An issue exists in the pcrypt crypto component regarding the handling of MAY BACKLOG requests. These requests can return an EBUSY error, which requires proper handling by checking for that specific value and filtering out EINPROGRESS notifications.
Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Found an issue in the description? Have something to add? Feel free to write us 👾

Related Identifiers

ALSA-2026:57251
ALSA-2026:64770
ALSA-2026:66000
ALSA-2026:66180
CVE-2026-43493
ECHO-0BA5-19F4-8414
LSN-0121-1
OESA-2026-2492
OESA-2026-2496
OESA-2026-2581
OESA-2026-2582
OPENSUSE-SU-2026:10859-1
OPENSUSE-SU-2026:21555-1
SUSE-SU-2026:23066-1
SUSE-SU-2026:23068-1
SUSE-SU-2026:23193-1
SUSE-SU-2026:23194-1
SUSE-SU-2026:23221-1
SUSE-SU-2026:23231-1
SUSE-SU-2026:23237-1
SUSE-SU-2026:23241-1
SUSE-SU-2026:23244-1
SUSE-SU-2026:3130-1
SUSE-SU-2026:3166-1
SUSE-SU-2026:3594-1
USN-8488-1
USN-8488-2
USN-8489-1
USN-8490-1
USN-8490-2
USN-8491-1
USN-8492-1
USN-8492-2
USN-8492-3
USN-8492-4
USN-8492-5
USN-8493-1
USN-8493-2
USN-8497-1
USN-8498-1
USN-8499-1
USN-8507-1
USN-8508-1
USN-8527-1
USN-8528-1
USN-8545-1
USN-8546-1
USN-8547-1
USN-8547-2
USN-8569-1
USN-8603-1
USN-8604-1
USN-8605-1
USN-8606-1
USN-8607-1
USN-8609-1
USN-8619-1
USN-8633-1
USN-8633-2
USN-8634-1
USN-8635-1
USN-8645-1
USN-8662-1
USN-8662-2
USN-8666-1
USN-8666-2
USN-8666-3
USN-8667-1
USN-8715-1

Affected Products

Linuxmint
Linux Kernel
Rocky Linux
Ubuntu