CVE-2026-45993: Linux

Описание

Оригинално описание

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.

Засегнати продукти

• Linux Linux: be769645a2aef577f07afdcb4de8fad20b6d57c0 преди c8a8e863928424046b8fd328f02c359baa0a0c3f; be769645a2aef577f07afdcb4de8fad20b6d57c0 преди 108f2cd13577a410c0ad6ea00708596d9d0dfc90; be769645a2aef577f07afdcb4de8fad20b6d57c0 преди 07040904ad217545be096d4280ed33c02f6a3750; be769645a2aef577f07afdcb4de8fad20b6d57c0 преди 85cbf7fb568af5358aae61925c4e66b8f5e1439d; be769645a2aef577f07afdcb4de8fad20b6d57c0 преди bc84a109c2082dd0c4b38e8d923c046b41977533; be769645a2aef577f07afdcb4de8fad20b6d57c0 преди 0c965d2784fbbd7f8e3b96d875c9cfdf7c00da3d
• Linux Linux: 5.19; преди 5.19; 6.1.176 до 6.1.*; 6.6.140 до 6.6.*; 6.12.86 до 6.12.*; 6.18.27 до 6.18.*; 7.0.4 до 7.0.*; от 7.1 нататък

История

Други уязвимости в Linux Linux

• 8.1CVE-2026-99270
• 7.8CVE-2026-99269
• CVE-2026-99265
• CVE-2026-99261
• CVE-2026-99260

Първоизточници

• https://www.cve.org/CVERecord?id=CVE-2026-45993
• https://nvd.nist.gov/vuln/detail/CVE-2026-45993
• https://git.kernel.org/stable/c/c8a8e863928424046b8fd328f02c359baa0a0c3f
• https://git.kernel.org/stable/c/108f2cd13577a410c0ad6ea00708596d9d0dfc90
• https://git.kernel.org/stable/c/07040904ad217545be096d4280ed33c02f6a3750
• https://git.kernel.org/stable/c/85cbf7fb568af5358aae61925c4e66b8f5e1439d
• https://git.kernel.org/stable/c/bc84a109c2082dd0c4b38e8d923c046b41977533
• https://git.kernel.org/stable/c/0c965d2784fbbd7f8e3b96d875c9cfdf7c00da3d