CVE-2026-5165— Virtio-win: virtio-win: memory corruption via use-after-free in virtio blk device reset
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I. Basic Information for CVE-2026-5165
Vulnerability Information
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Vulnerability Title
Virtio-win: virtio-win: memory corruption via use-after-free in virtio blk device reset
Source: NVD (National Vulnerability Database)
Vulnerability Description
A flaw was found in virtio-win, specifically within the VirtIO Block (BLK) device. When the device undergoes a reset, it fails to properly manage memory, resulting in a use-after-free vulnerability. This issue could allow a local attacker to corrupt system memory, potentially leading to system instability or unexpected behavior.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
无效指针解引用
Source: NVD (National Vulnerability Database)
Vulnerability Title
virtio-win 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
virtio-win是virtio-win开源的一个虚拟机模拟软件。 virtio-win存在安全漏洞，该漏洞源于VirtIO Block设备重置时内存管理不当，可能导致释放后重用和系统内存损坏。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Red Hat | Red Hat Enterprise Linux 10 | - | cpe:/o:redhat:enterprise_linux:10 | |
| Red Hat | Red Hat Enterprise Linux 8 | - | cpe:/o:redhat:enterprise_linux:8 | |
| Red Hat | Red Hat Enterprise Linux 9 | - | cpe:/o:redhat:enterprise_linux:9 |
II. Public POCs for CVE-2026-5165
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|---|
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- 2453015 – (CVE-2026-5165) CVE-2026-5165 virtio-win: virtio-win: Memory corruption via use-after-free in VirtIO BLK device resetissue-trackingx_refsource_REDHAT
- https://nvd.nist.gov/vuln/detail/CVE-2026-5165
Same Patch Batch · Red Hat · 2026-03-30 · 4 CVEs total
| CVE-2026-5121 | 7.5 HIGH | Libarchive: libarchive: arbitrary code execution via integer overflow in iso9660 image pro |
| CVE-2026-5164 | 6.7 MEDIUM | Virtio-win: virtio-win: denial of service via unvalidated descriptor count in unmap reques |
| CVE-2026-5119 | 5.9 MEDIUM | Libsoup: libsoup: information disclosure via cleartext transmission of cookies during http |
IV. Related Vulnerabilities
Same product: Red Hat Enterprise Linux 10
- CVE-2026-42011
Gnutls: gnutls: security bypass due to incorrect name constr - CVE-2026-42010
Gnutls: gnutls: authentication bypass via nul character in u - CVE-2026-6420
Keylime: keylime: security bypass due to hardcoded tpm quote - CVE-2026-34002
Xorg: xwayland: x.org x server: information disclosure or de - CVE-2026-34000
Xwayland: xorg: x.org x server: information disclosure and d
Same vendor: Red Hat
- CVE-2026-42011
Gnutls: gnutls: security bypass due to incorrect name constr - CVE-2026-42010
Gnutls: gnutls: authentication bypass via nul character in u - CVE-2026-6420
Keylime: keylime: security bypass due to hardcoded tpm quote - CVE-2026-34956
Openvswitch: open vswitch: denial of service via malformed f - CVE-2026-34002
Xorg: xwayland: x.org x server: information disclosure or de
Same weakness: CWE-825
- CVE-2026-7111
Text::CSV_XS versions before 1.62 for Perl have a use-after- - CVE-2026-34001
Xorg: xwayland: x.org x server: use-after-free vulnerability - CVE-2026-35094
Libinput: libinput: information disclosure via dangling poin - CVE-2026-2436
Libsoup: libsoup: denial of service via use-after-free in so - CVE-2026-32873
ewe: Loop with Unreachable Exit Condition ('Infinite Loop')
V. Comments for CVE-2026-5165
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