PT-2026-43860 · Linux · Linux

Published 2026-05-27 · Updated 2026-05-27 · CVE-2026-45993

NVD

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.

Related Identifiers

CVE-2026-45993

Affected Products

Linux

References · 6

• https://nvd.nist.gov/vuln/detail/CVE-2026-45993 · Security Note
• https://git.kernel.org/stable/c/108f2cd13577a410c0ad6ea00708596d9d0dfc90 · Note
• https://git.kernel.org/stable/c/bc84a109c2082dd0c4b38e8d923c046b41977533 · Note
• https://git.kernel.org/stable/c/85cbf7fb568af5358aae61925c4e66b8f5e1439d · Note
• https://git.kernel.org/stable/c/0c965d2784fbbd7f8e3b96d875c9cfdf7c00da3d · Note
• https://git.kernel.org/stable/c/07040904ad217545be096d4280ed33c02f6a3750 · Note