CVE-2026-45993
MEDIUM severity · CVSS 5.5
5.5CVSS MEDIUM
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.
Impact & exploitability
Attack vectorLocal
Attack complexityLow
Privileges requiredLow
User interactionNone
Confidentiality impactNone
Integrity impactNone
Availability impactHigh
Exploit probability (EPSS)0%
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Official patch: https://git.kernel.org/stable/c/07040904ad217545be096d4280ed33c02f6a3750 ↗
Additional information
- NVD record
- 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