CVE-2026-45993

MEDIUM EPSS 2.8%
Published May 27, 20261mo ago · Modified Jun 19, 20261w ago
5.5 CVSS 3.1
Medium
Find Similar
Published May 27, 2026 1mo ago
Last Modified Jun 19, 2026 1w ago

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 Details

Base Score
5.5
Exploitability
1.8
Impact
3.6
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
2.8% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Affected Products 4

VendorProductVersionRange
linuxlinux_kernel*≥5.19  –  <6.6.140
linuxlinux_kernel*≥6.7  –  <6.12.86
linuxlinux_kernel*≥6.13  –  <6.18.27
linuxlinux_kernel*≥6.19  –  <7.0.4

References 6

  • git.kernel.org https://git.kernel.org/stable/c/07040904ad217545be096d4280ed33c02f6a3750
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/0c965d2784fbbd7f8e3b96d875c9cfdf7c00da3d
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/108f2cd13577a410c0ad6ea00708596d9d0dfc90
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/85cbf7fb568af5358aae61925c4e66b8f5e1439d
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/bc84a109c2082dd0c4b38e8d923c046b41977533
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/c8a8e863928424046b8fd328f02c359baa0a0c3f

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/07040904ad217545be096d4280ed33c02f6a3750
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/0c965d2784fbbd7f8e3b96d875c9cfdf7c00da3d
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/108f2cd13577a410c0ad6ea00708596d9d0dfc90
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/85cbf7fb568af5358aae61925c4e66b8f5e1439d
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/bc84a109c2082dd0c4b38e8d923c046b41977533
    Patch