CVE-2022-1263

Katalog CVE

CVSS 5.5 · Medium EPSS 0,44%

Kerentanan NULL Pointer Dereference pada linux kernel, redhat enterprise linux. Skor CVSS 3.1 5.5 (Medium) menurut NVD.

Deskripsi (NVD)

A NULL pointer dereference issue was found in KVM when releasing a vCPU with dirty ring support enabled. This flaw allows an unprivileged local attacker on the host to issue specific ioctl calls, causing a kernel oops condition that results in a denial of service.

Rincian

Terbit di NVD

31 Agustus 2022

Terakhir diubah

17 Juni 2026

Status NVD

Modified

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-476: NULL Pointer Dereference

EPSS (30 hari)

0,44% peluang dieksploitasi; lebih tinggi dari 36,2% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://bugzilla.redhat.com/show_bug.cgi?id=2072698 issue tracking · patch · advisory pihak ketiga
• https://github.com/torvalds/linux/commit/5593473a1e6c743764b08e3b6071cb43b5cfa6c4 patch · advisory pihak ketiga
• https://access.redhat.com/security/cve/CVE-2022-1263 advisory pihak ketiga
• https://www.openwall.com/lists/oss-security/2022/04/07/1 exploit · mailing list · advisory pihak ketiga