Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 5.19, < 6.6.140 |
References
- https://git.kernel.org/stable/c/07040904ad217545be096d4280ed33c02f6a3750Patch
- https://git.kernel.org/stable/c/0c965d2784fbbd7f8e3b96d875c9cfdf7c00da3dPatch
- https://git.kernel.org/stable/c/108f2cd13577a410c0ad6ea00708596d9d0dfc90Patch
- https://git.kernel.org/stable/c/85cbf7fb568af5358aae61925c4e66b8f5e1439dPatch
- https://git.kernel.org/stable/c/bc84a109c2082dd0c4b38e8d923c046b41977533Patch
- https://git.kernel.org/stable/c/c8a8e863928424046b8fd328f02c359baa0a0c3f
FAQ
What is CVE-2026-45993?
CVE-2026-45993 is a vulnerability with a CVSS score of 5.5 (MEDIUM). 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 do...
How severe is CVE-2026-45993?
CVE-2026-45993 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-45993?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.