CVE-2026-45993

LoongArch: Add spectre boundry for syscall dispatch table

State: Published
Severity: Not scored
Published: May 27, 2026
Updated: Jun 19, 2026
Reserved: May 13, 2026

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.

Scores

The record has no CVSS score.

Weaknesses

The record names no weakness.

Affected Products

Product	Versions
LinuxLinux	be769645a2aef577f07afdcb4de8fad20b6d57c0 to before c8a8e863928424046b8fd328f02c359baa0a0c3fAffected be769645a2aef577f07afdcb4de8fad20b6d57c0 to before 108f2cd13577a410c0ad6ea00708596d9d0dfc90Affected be769645a2aef577f07afdcb4de8fad20b6d57c0 to before 07040904ad217545be096d4280ed33c02f6a3750Affected be769645a2aef577f07afdcb4de8fad20b6d57c0 to before 85cbf7fb568af5358aae61925c4e66b8f5e1439dAffected be769645a2aef577f07afdcb4de8fad20b6d57c0 to before bc84a109c2082dd0c4b38e8d923c046b41977533Affected be769645a2aef577f07afdcb4de8fad20b6d57c0 to before 0c965d2784fbbd7f8e3b96d875c9cfdf7c00da3dAffected
LinuxLinux	5.19Affected before 5.19Not affected 6.1.176 through 6.1.Not affected 6.6.140 through 6.6.Not affected 6.12.86 through 6.12.Not affected 6.18.27 through 6.18.Not affected 7.0.4 through 7.0.*Not affected 7.1 and laterNot affected

Product

Versions

LinuxLinux

be769645a2aef577f07afdcb4de8fad20b6d57c0 to before c8a8e863928424046b8fd328f02c359baa0a0c3fAffected
be769645a2aef577f07afdcb4de8fad20b6d57c0 to before 108f2cd13577a410c0ad6ea00708596d9d0dfc90Affected
be769645a2aef577f07afdcb4de8fad20b6d57c0 to before 07040904ad217545be096d4280ed33c02f6a3750Affected
be769645a2aef577f07afdcb4de8fad20b6d57c0 to before 85cbf7fb568af5358aae61925c4e66b8f5e1439dAffected
be769645a2aef577f07afdcb4de8fad20b6d57c0 to before bc84a109c2082dd0c4b38e8d923c046b41977533Affected
be769645a2aef577f07afdcb4de8fad20b6d57c0 to before 0c965d2784fbbd7f8e3b96d875c9cfdf7c00da3dAffected

LinuxLinux

5.19Affected
before 5.19Not affected
6.1.176 through 6.1.*Not affected
6.6.140 through 6.6.*Not affected
6.12.86 through 6.12.*Not affected
6.18.27 through 6.18.*Not affected
7.0.4 through 7.0.*Not affected
7.1 and laterNot affected

References

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