csirt@kutim:~/threat-intel/cve/CVE-2021-47056

Katalog CVE

CVSS 5.5 · Medium EPSS 0,23%

Kerentanan Use of Uninitialized Resource pada linux kernel. Skor CVSS 3.1 5.5 (Medium) menurut NVD.

Deskripsi (NVD)

In the Linux kernel, the following vulnerability has been resolved: crypto: qat - ADF_STATUS_PF_RUNNING should be set after adf_dev_init ADF_STATUS_PF_RUNNING is (only) used and checked by adf_vf2pf_shutdown() before calling adf_iov_putmsg()->mutex_lock(vf2pf_lock), however the vf2pf_lock is initialized in adf_dev_init(), which can fail and when it fail, the vf2pf_lock is either not initialized or destroyed, a subsequent use of vf2pf_lock will cause issue. To fix this issue, only set this flag if adf_dev_init() returns 0. [ 7.178404] BUG: KASAN: user-memory-access in __mutex_lock.isra.0+0x1ac/0x7c0 [ 7.180345] Call Trace: [ 7.182576] mutex_lock+0xc9/0xd0 [ 7.183257] adf_iov_putmsg+0x118/0x1a0 [intel_qat] [ 7.183541] adf_vf2pf_shutdown+0x4d/0x7b [intel_qat] [ 7.183834] adf_dev_shutdown+0x172/0x2b0 [intel_qat] [ 7.184127] adf_probe+0x5e9/0x600 [qat_dh895xccvf]

Rincian

Terbit di NVD
29 Februari 2024
Terakhir diubah
17 Juni 2026
Status NVD
Analyzed
CVSS 3.1
5.5 (Medium), sumber NVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H · uraikan di kalkulator
Jenis kelemahan (CWE)
CWE-908: Use of Uninitialized Resource
EPSS (30 hari)
0,23% peluang dieksploitasi; lebih tinggi dari 12,3% CVE lain

Produk dan versi terdampak

VendorProdukVersi terdampak
linux linux kernel Versi 4.7 hingga sebelum 4.9.269
linux linux kernel Versi 4.10 hingga sebelum 4.14.233
linux linux kernel Versi 4.15 hingga sebelum 4.19.191
linux linux kernel Versi 4.20 hingga sebelum 5.4.119
linux linux kernel Versi 5.5 hingga sebelum 5.10.37
linux linux kernel Versi 5.11 hingga sebelum 5.11.21
linux linux kernel Versi 5.12 hingga sebelum 5.12.4

> 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.