CVE-2021-3667

Katalog CVE

CVSS 6.5 · Medium EPSS 1,4%

Kerentanan Improper Locking pada redhat libvirt, redhat enterprise linux +2 lainnya. Skor CVSS 3.1 6.5 (Medium) menurut NVD.

Deskripsi (NVD)

An improper locking issue was found in the virStoragePoolLookupByTargetPath API of libvirt. It occurs in the storagePoolLookupByTargetPath function where a locked virStoragePoolObj object is not properly released on ACL permission failure. Clients connecting to the read-write socket with limited ACL permissions could use this flaw to acquire the lock and prevent other users from accessing storage pool/volume APIs, resulting in a denial of service condition. The highest threat from this vulnerability is to system availability.

Rincian

Terbit di NVD

2 Maret 2022

Terakhir diubah

17 Juni 2026

Status NVD

Analyzed

CVSS 3.1

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

Jenis kelemahan (CWE)

CWE-667: Improper Locking

EPSS (30 hari)

1,4% peluang dieksploitasi; lebih tinggi dari 71,1% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://bugzilla.redhat.com/show_bug.cgi?id=1986094 issue tracking · advisory vendor
• https://gitlab.com/libvirt/libvirt/-/commit/447f69dec47e1b0bd15ecd7cd49a9fd3b050fb87 patch · advisory pihak ketiga
• https://libvirt.org/git/?p=libvirt.git%3Ba=commit%3Bh=447f69dec47e1b0bd15ecd7cd49a9fd3b050fb87 patch
• https://lists.debian.org/debian-lts-announce/2024/04/msg00000.html mailing list · advisory pihak ketiga
• https://security.gentoo.org/glsa/202210-06 advisory pihak ketiga
• https://security.netapp.com/advisory/ntap-20220331-0005/ advisory pihak ketiga