CVE-2022-4172

Katalog CVE

CVSS 6.5 · Medium EPSS 0,39%

Kerentanan Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') pada qemu, fedoraproject fedora. Skor CVSS 3.1 6.5 (Medium) menurut NVD.

Deskripsi (NVD)

An integer overflow and buffer overflow issues were found in the ACPI Error Record Serialization Table (ERST) device of QEMU in the read_erst_record() and write_erst_record() functions. Both issues may allow the guest to overrun the host buffer allocated for the ERST memory device. A malicious guest could use these flaws to crash the QEMU process on the host.

Rincian

Terbit di NVD

29 November 2022

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

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

Jenis kelemahan (CWE)

CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

EPSS (30 hari)

0,39% peluang dieksploitasi; lebih tinggi dari 31,5% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://gitlab.com/qemu-project/qemu/-/commit/defb7098 patch · advisory pihak ketiga
• https://gitlab.com/qemu-project/qemu/-/issues/1268 exploit · issue tracking · advisory pihak ketiga
• https://security.netapp.com/advisory/ntap-20230127-0013/ advisory pihak ketiga
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/I7J5IRXJYLELW...
• https://lore.kernel.org/qemu-devel/20221024154233.1043347-1-lk%40c--e.de/