IM
IronMonkey Threat Research

CVE-2025-21863 HIGH

Published: 2025-03-12 | Last Modified: 2026-09-08 | Status: Modified

Description

In the Linux kernel, the following vulnerability has been resolved: io_uring: prevent opcode speculation sqe->opcode is used for different tables, make sure we santitise it against speculations.

Additional Descriptions (1)

En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: io_uring: evita la especulación de código de operación. sqe->opcode se utiliza para diferentes tablas, asegúrese de que lo desinfectemos contra especulaciones.

CVSS Metrics

Base Score: 7.8 (HIGH)

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

Attack VectorLOCAL
Attack ComplexityLOW
Privileges RequiredLOW
User InteractionNONE
ScopeUNCHANGED
Confidentiality ImpactHIGH
Integrity ImpactHIGH
Availability ImpactHIGH

Source: [email protected]

Type: Primary

Exploitability Score: 1.8

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 0x7d23af202440> Operating System
linux linux_kernel * <built-in method update of dict object at 0x7d23beaf6b40> Operating System
linux linux_kernel * <built-in method update of dict object at 0x7d23beaf6e80> Operating System
linux linux_kernel 6.14 <built-in method update of dict object at 0x7d23af2bf640> Operating System
linux linux_kernel 6.14 <built-in method update of dict object at 0x7d23af203900> Operating System
linux linux_kernel 6.14 <built-in method update of dict object at 0x7d23af2025c0> 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:6.14:rc1:*:*:*:*:*:*
Yes cpe:2.3:o:linux:linux_kernel:6.14:rc2:*:*:*:*:*:*
Yes cpe:2.3:o:linux:linux_kernel:6.14:rc3:*:*:*:*:*:*
Notification
Message here