Medium 5.5Published May 27, 2026

CVE-2026-45993LoongArch: Add spectre boundry for syscall dispatch table

Updated under an hour ago (Oct 27, 2026, 7:30 AM ET)

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Exploited in the last 30 days

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: 5.5 MEDIUM (v3.1, NVD)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness (CWE): Not given
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Linux
NVD analysis: Modified
Record last updated: Jun 19, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Linux Linux linux:linux (from the name)	from be769645a2aef577f07afdcb4de8fad20b6d57c0 before c8a8e863928424046b8fd328f02c359baa0a0c3f; from be769645a2aef577f07afdcb4de8fad20b6d57c0 before 108f2cd13577a410c0ad6ea00708596d9d0dfc90; from be769645a2aef577f07afdcb4de8fad20b6d57c0 before 07040904ad217545be096d4280ed33c02f6a3750; from be769645a2aef577f07afdcb4de8fad20b6d57c0 before 85cbf7fb568af5358aae61925c4e66b8f5e1439d; from be769645a2aef577f07afdcb4de8fad20b6d57c0 before bc84a109c2082dd0c4b38e8d923c046b41977533; from be769645a2aef577f07afdcb4de8fad20b6d57c0 before 0c965d2784fbbd7f8e3b96d875c9cfdf7c00da3d	CNA record
linux linux_kernel linux:linux_kernel	from 5.19 before 6.6.140; from 6.7 before 6.12.86; from 6.13 before 6.18.27; from 6.19 before 7.0.4	NVD

References

References

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

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.