CVE-2026-45993

Summary

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.

Affected Software

VendorProductVersion RangeStatus
LinuxLinuxbe769645a2aef577f07afdcb4de8fad20b6d57c0 < c8a8e863928424046b8fd328f02c359baa0a0c3faffected
LinuxLinuxbe769645a2aef577f07afdcb4de8fad20b6d57c0 < 108f2cd13577a410c0ad6ea00708596d9d0dfc90affected
LinuxLinuxbe769645a2aef577f07afdcb4de8fad20b6d57c0 < 07040904ad217545be096d4280ed33c02f6a3750affected
LinuxLinuxbe769645a2aef577f07afdcb4de8fad20b6d57c0 < 85cbf7fb568af5358aae61925c4e66b8f5e1439daffected
LinuxLinuxbe769645a2aef577f07afdcb4de8fad20b6d57c0 < bc84a109c2082dd0c4b38e8d923c046b41977533affected
LinuxLinuxbe769645a2aef577f07afdcb4de8fad20b6d57c0 < 0c965d2784fbbd7f8e3b96d875c9cfdf7c00da3daffected
LinuxLinux5.19affected
LinuxLinux0 < 5.19unaffected
LinuxLinux6.1.176 <= 6.1.*unaffected
LinuxLinux6.6.140 <= 6.6.*unaffected
LinuxLinux6.12.86 <= 6.12.*unaffected
LinuxLinux6.18.27 <= 6.18.*unaffected
LinuxLinux7.0.4 <= 7.0.*unaffected
LinuxLinux7.1 <= *unaffected

Weaknesses

References