QEMU 5.2.0 SCSI IO Request mptsas.c mptsas_process_scsi_io_request use after free

CVSS Meta Temp Score
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CTI Interest Score
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4.1$0-$5k0.00

Summaryinfo

A vulnerability was found in QEMU 5.2.0. It has been rated as problematic. This impacts the function mptsas_process_scsi_io_request of the file mptsas.c of the component SCSI IO Request Handler. Performing a manipulation results in use after free. This vulnerability is known as CVE-2021-3392. Remote exploitation of the attack is possible. No exploit is available. Applying a patch is the recommended action to fix this issue.

Detailsinfo

A vulnerability, which was classified as problematic, was found in QEMU 5.2.0 (Virtualization Software). This affects the function mptsas_process_scsi_io_request of the file mptsas.c of the component SCSI IO Request Handler. The manipulation with an unknown input leads to a use after free vulnerability. CWE is classifying the issue as CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. This is going to have an impact on availability.

The weakness was published 02/08/2021 as 1914236. The advisory is shared at bugs.launchpad.net. This vulnerability is uniquely identified as CVE-2021-3392. Technical details are known, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 209571 (Oracle Linux 8 : virt:kvm_utils3 (ELSA-2024-12792)), which helps to determine the existence of the flaw in a target environment.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at lists.gnu.org.

The vulnerability is also documented in the vulnerability database at Tenable (209571). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Use after free
CWE: CWE-416 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 209571
Nessus Name: Oracle Linux 8 : virt:kvm_utils3 (ELSA-2024-12792)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: lists.gnu.org

Timelineinfo

02/02/2021 🔍
02/08/2021 +6 days 🔍
02/08/2021 +0 days 🔍
10/26/2024 +1356 days 🔍

Sourcesinfo

Product: qemu.org

Advisory: 1914236
Status: Confirmed

CVE: CVE-2021-3392 (🔍)
GCVE (CVE): GCVE-0-2021-3392
GCVE (VulDB): GCVE-100-169365

Entryinfo

Created: 02/08/2021 13:13
Updated: 10/26/2024 03:18
Changes: 02/08/2021 13:13 (41), 02/25/2021 09:42 (4), 10/26/2024 03:18 (16)
Complete: 🔍
Submitter: CSieberg
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #7350: CVE-2021-3392 - Denial of Service in QEMU virtualisation (by CSieberg)

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