CVE-2021-47278: linux kernel

csirt@kutim:~/threat-intel/cve/CVE-2021-47278

CVSS 7.8 · High EPSS 0,22%

Kerentanan Use After Free pada linux kernel. Skor CVSS 3.1 7.8 (High) menurut NVD.

Deskripsi (NVD)

In the Linux kernel, the following vulnerability has been resolved: bus: mhi: pci_generic: Fix possible use-after-free in mhi_pci_remove() This driver's remove path calls del_timer(). However, that function does not wait until the timer handler finishes. This means that the timer handler may still be running after the driver's remove function has finished, which would result in a use-after-free. Fix by calling del_timer_sync(), which makes sure the timer handler has finished, and unable to re-schedule itself.

Rincian

Terbit di NVD: 21 Mei 2024
Terakhir diubah: 17 Juni 2026
Status NVD: Analyzed
CVSS 3.1: 7.8 (High), sumber NVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H · uraikan di kalkulator
Jenis kelemahan (CWE): CWE-416: Use After Free
EPSS (30 hari): 0,22% peluang dieksploitasi; lebih tinggi dari 11,4% CVE lain

Produk dan versi terdampak

Vendor	Produk	Versi terdampak
linux	linux kernel	Versi 5.12 hingga sebelum 5.12.11
linux	linux kernel	Versi 5.13 rc1
linux	linux kernel	Versi 5.13 rc2
linux	linux kernel	Versi 5.13 rc3
linux	linux kernel	Versi 5.13 rc4
linux	linux kernel	Versi 5.13 rc5

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

Sumber: NVD · CVE.org · EPSS. Halaman ini disusun otomatis dari data tersebut; pembaruan terakhir 5 Okt 2026, 20:10 WITA. Kalau sistem di Perangkat Daerah memakai produk ini dan butuh bantuan, laporkan lewat kanal pelaporan.