Linux Kernel up to 5.4.23/5.4.188 io_uring integer overflow

CVSS Meta Temp Score
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CTI Interest Score
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8.1$0-$5k0.00

Summaryinfo

A vulnerability was found in Linux Kernel up to 5.4.23/5.4.188. It has been rated as critical. Impacted is the function io_uring. This manipulation causes integer overflow. This vulnerability is registered as CVE-2022-1116. Remote exploitation of the attack is possible. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Linux Kernel up to 5.4.23/5.4.188 (Operating System). It has been declared as critical. Affected by this vulnerability is the function io_uring. The manipulation with an unknown input leads to a integer overflow vulnerability. The CWE definition for the vulnerability is CWE-190. The product performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was published 05/17/2022. It is possible to read the advisory at git.kernel.org. This vulnerability is known as CVE-2022-1116 since 03/28/2022. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 05/28/2022).

Upgrading to version 5.4.24 or 5.4.189 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at git.kernel.org. The best possible mitigation is suggested to be upgrading to the latest version.

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Productinfo

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Version

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.3
VulDB Meta Temp Score: 8.1

VulDB Base Score: 8.8
VulDB Temp Score: 8.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 7.8
CNA Vector (Google Inc.): 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Integer overflow
CWE: CWE-190 / CWE-189
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Kernel 5.4.24/5.4.189
Patch: git.kernel.org

Timelineinfo

03/28/2022 🔍
05/17/2022 +50 days 🔍
05/17/2022 +0 days 🔍
05/28/2022 +11 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2022-1116 (🔍)
GCVE (CVE): GCVE-0-2022-1116
GCVE (VulDB): GCVE-100-200095

Entryinfo

Created: 05/17/2022 21:51
Updated: 05/28/2022 09:26
Changes: 05/17/2022 21:51 (51), 05/17/2022 21:54 (1), 05/24/2022 11:31 (1), 05/28/2022 09:26 (7)
Complete: 🔍
Cache ID: 216::103

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