CVE-2022-26353
CVSS V2 Medium 5
CVSS V3 High 7.5
Description
A flaw was found in the virtio-net device of QEMU. This flaw was inadvertently introduced with the fix for CVE-2021-3748, which forgot to unmap the cached virtqueue elements on error, leading to memory leakage and other unexpected results. Affected QEMU version: 6.2.0.
Overview
- CVE ID
- CVE-2022-26353
- Assigner
- secalert@redhat.com
- Vulnerability Status
- Modified
- Published Version
- 2022-03-16T15:15:16
- Last Modified Date
- 2023-02-12T22:15:25
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:qemu:qemu:6.2.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* | 1 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:N/C:N/I:N/A:P
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- NONE
- Integrity Impact
- NONE
- Availability Impact
- PARTIAL
- Base Score
- 5
- Severity
- MEDIUM
- Exploitability Score
- 10
- Impact Score
- 2.9
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- NONE
- Availability Impact
- HIGH
- Base Score
- 7.5
- Base Severity
- HIGH
- Exploitability Score
- 3.9
- Impact Score
- 3.6
References
| Reference URL | Reference Tags |
|---|---|
| https://access.redhat.com/errata/RHSA-2022:5002 | |
| https://access.redhat.com/errata/RHSA-2022:5263 | |
| https://access.redhat.com/errata/RHSA-2022:5821 | |
| https://access.redhat.com/security/cve/CVE-2022-26353 | |
| https://bugzilla.redhat.com/show_bug.cgi?id=2063197 | |
| https://gitlab.com/qemu-project/qemu/-/commit/abe300d9d894f7138e1af7c8e9c88c04bfe98b37 | Patch Third Party Advisory |
| https://lists.nongnu.org/archive/html/qemu-devel/2022-03/msg02438.html | Mailing List Patch Vendor Advisory |
| https://security.gentoo.org/glsa/202208-27 | Third Party Advisory |
| https://security.netapp.com/advisory/ntap-20220425-0003/ | Third Party Advisory |
| https://www.debian.org/security/2022/dsa-5133 | Third Party Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2022-26353 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-26353 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-04-04 00:41:16 | Added to TrackCVE | |||
| 2022-12-06 12:38:23 | 2022-03-16T15:15Z | 2022-03-16T15:15:16 | CVE Published Date | updated |
| 2022-12-06 12:38:23 | 2022-10-26T17:55:17 | CVE Modified Date | updated | |
| 2022-12-06 12:38:23 | Analyzed | Vulnerability Status | updated | |
| 2022-12-06 12:38:28 | References | updated | ||
| 2023-02-02 22:13:27 | 2023-02-02T21:22:14 | CVE Modified Date | updated | |
| 2023-02-02 22:13:27 | Analyzed | Modified | Vulnerability Status | updated |
| 2023-02-02 22:13:27 | A flaw was found in the virtio-net device of QEMU. This flaw was inadvertently introduced with the fix for CVE-2021-3748, which forgot to unmap the cached virtqueue elements on error, leading to memory leakage and other unexpected results. Affected QEMU version: 6.2.0. | A flaw was found in the virtio-net device of QEMU. This flaw was inadvertently introduced with the fix for CVE-2021-3748, which forgot to unmap the cached virtqueue elements on error, leading to memory leakage, use-after-free or other unexpected results. A malicious privileged guest could exploit this issue to crash QEMU or potentially execute arbitrary code within the context of the QEMU process on the host. | Description | updated |
| 2023-02-02 22:13:28 | References | updated | ||
| 2023-02-12 22:17:26 | 2023-02-12T22:15:25 | CVE Modified Date | updated | |
| 2023-02-12 22:17:26 | A flaw was found in the virtio-net device of QEMU. This flaw was inadvertently introduced with the fix for CVE-2021-3748, which forgot to unmap the cached virtqueue elements on error, leading to memory leakage, use-after-free or other unexpected results. A malicious privileged guest could exploit this issue to crash QEMU or potentially execute arbitrary code within the context of the QEMU process on the host. | A flaw was found in the virtio-net device of QEMU. This flaw was inadvertently introduced with the fix for CVE-2021-3748, which forgot to unmap the cached virtqueue elements on error, leading to memory leakage and other unexpected results. Affected QEMU version: 6.2.0. | Description | updated |