CVE-2026-31558

Katalog CVE

CVSS 8.8 · High EPSS 0,18%

Kerentanan Out-of-bounds Read pada linux kernel. Skor CVSS 3.1 8.8 (High) menurut CNA.

Deskripsi (NVD)

In the Linux kernel, the following vulnerability has been resolved: LoongArch: KVM: Make kvm_get_vcpu_by_cpuid() more robust kvm_get_vcpu_by_cpuid() takes a cpuid parameter whose type is int, so cpuid can be negative. Let kvm_get_vcpu_by_cpuid() return NULL for this case so as to make it more robust. This fix an out-of-bounds access to kvm_arch::phyid_map::phys_map[].

Rincian

Terbit di NVD

24 April 2026

Terakhir diubah

17 Juni 2026

Status NVD

Analyzed

CVSS 3.1

8.8 (High), sumber CNA
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-125: Out-of-bounds Read

EPSS (30 hari)

0,18% peluang dieksploitasi; lebih tinggi dari 6,5% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://git.kernel.org/stable/c/2db06c15d8c7a0ccb6108524e16cd9163753f354 patch
• https://git.kernel.org/stable/c/47857b05bd50db01e211a1b6f513d57901cd3e6b patch
• https://git.kernel.org/stable/c/596c3f8069c4792f22fce8c4452f44410032d910 patch
• https://git.kernel.org/stable/c/878cf6acb4fd8ab4126cf9d369a5bb0e23123418 patch