QEMU up to 7.0.0 softmmu/physmem.c translate_fail uninitialized pointer ⚔ [Disputed]

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.1$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in QEMU up to 7.0.0. The affected element is the function translate_fail of the file softmmu/physmem.c. Performing a manipulation results in uninitialized pointer. This vulnerability is reported as CVE-2022-35414. No exploit exists. The real existence of this vulnerability is still doubted at the moment. Applying a patch is the recommended action to fix this issue.

Detailsinfo

A vulnerability classified as critical has been found in QEMU up to 7.0.0 (Virtualization Software). This affects the function translate_fail of the file softmmu/physmem.c. The manipulation with an unknown input leads to a uninitialized pointer vulnerability. CWE is classifying the issue as CWE-824. The product accesses or uses a pointer that has not been initialized. This is going to have an impact on availability. The summary by CVE is:

softmmu/physmem.c in QEMU through 7.0.0 can perform an uninitialized read on the translate_fail path, leading to an io_readx or io_writex crash.

The weakness was disclosed 07/11/2022 as 1065. The advisory is shared at gitlab.com. This vulnerability is uniquely identified as CVE-2022-35414 since 07/11/2022. Technical details are known, but no exploit is available.

The real existence of this vulnerability is still doubted at the moment. The vulnerability scanner Nessus provides a plugin with the ID 215958 (Azure Linux 3.0 Security Update: qemu / qemu-kvm (CVE-2022-35414)), which helps to determine the existence of the flaw in a target environment.

Applying the patch 3517fb726741c109cae7995f9ea46f0cab6187d6 is able to eliminate this problem. The bugfix is ready for download at github.com.

The vulnerability is also documented in the vulnerability database at Tenable (215958). 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: 7.2
VulDB Meta Temp Score: 7.1

VulDB Base Score: 5.7
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Uninitialized pointer
CWE: CWE-824 / CWE-908
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 215958
Nessus Name: Azure Linux 3.0 Security Update: qemu / qemu-kvm (CVE-2022-35414)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: 3517fb726741c109cae7995f9ea46f0cab6187d6

Timelineinfo

07/11/2022 🔍
07/11/2022 +0 days 🔍
07/11/2022 +0 days 🔍
02/11/2025 +946 days 🔍

Sourcesinfo

Product: qemu.org

Advisory: 1065
Status: Confirmed
Disputed: 🔍

CVE: CVE-2022-35414 (🔍)
GCVE (CVE): GCVE-0-2022-35414
GCVE (VulDB): GCVE-100-203517

Entryinfo

Created: 07/11/2022 09:53
Updated: 02/11/2025 06:32
Changes: 07/11/2022 09:53 (42), 07/21/2022 09:26 (18), 08/03/2024 14:48 (17), 02/11/2025 06:32 (2)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Might our Artificial Intelligence support you?

Check our Alexa App!