CVE-2026-45993

MEDIUM

LoongArch: Add spectre boundry for syscall dispatch table

Title source: cna
STIX 2.1

Description

In the Linux kernel, the following vulnerability has been resolved: LoongArch: Add spectre boundry for syscall dispatch table The LoongArch syscall number is directly controlled by userspace, but does not have a array_index_nospec() boundry to prevent access past the syscall function pointer tables.

References (6)

Core 6

Scores

CVSS v3 5.5
EPSS 0.0013
EPSS Percentile 2.8%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Details

Status published
Products (30)
linux/Kernel 5.19.0 - 6.1.176linux
linux/Kernel 6.13.0 - 6.18.27linux
linux/Kernel 6.19.0 - 7.0.4linux
linux/Kernel 6.2.0 - 6.6.140linux
linux/Kernel 6.7.0 - 6.12.86linux
Linux/Linux < 5.19
Linux/Linux < 6.12.86
Linux/Linux < 6.18.27
Linux/Linux < 6.6.140
Linux/Linux < 7.0.4
... and 20 more
Published May 27, 2026
Tracked Since May 27, 2026