CVE-2021-46953

Katalog CVE

CVSS 6.7 · Medium EPSS 0,24%

Kerentanan pada linux kernel. Skor CVSS 3.1 6.7 (Medium) menurut NVD.

Deskripsi (NVD)

In the Linux kernel, the following vulnerability has been resolved: ACPI: GTDT: Don't corrupt interrupt mappings on watchdow probe failure When failing the driver probe because of invalid firmware properties, the GTDT driver unmaps the interrupt that it mapped earlier. However, it never checks whether the mapping of the interrupt actially succeeded. Even more, should the firmware report an illegal interrupt number that overlaps with the GIC SGI range, this can result in an IPI being unmapped, and subsequent fireworks (as reported by Dann Frazier). Rework the driver to have a slightly saner behaviour and actually check whether the interrupt has been mapped before unmapping things.

Rincian

Terbit di NVD

27 Februari 2024

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

6.7 (Medium), sumber NVD
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H · uraikan di kalkulator

EPSS (30 hari)

0,24% peluang dieksploitasi; lebih tinggi dari 14,1% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://git.kernel.org/stable/c/1ecd5b129252249b9bc03d7645a7bda512747277 patch
• https://git.kernel.org/stable/c/42e69521ee1fa5abf21f478d147d06bbfe6bf6a8 patch
• https://git.kernel.org/stable/c/504632a3577a049dd9bb7aabae5b4476f9c586b4 patch
• https://git.kernel.org/stable/c/596e079c362ac17ed02aa1b99fdc444d62072a01 patch
• https://git.kernel.org/stable/c/7b2162db1498c71962a4bb2f776fa4e76d4d305b patch
• https://git.kernel.org/stable/c/c3385a9122f8db15b453e07bfc88117fce7f3724 patch
• https://git.kernel.org/stable/c/e0f2d86481eaa83df33b0793f75212919db7a19d patch