Linux Kernel up to 5.18.3 on PowerPC 32-bit Floating Point Register ptrace-fpu.c ptrace_get_fpr buffer overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.6$0-$5k0.00

Summaryinfo

A vulnerability has been found in Linux Kernel up to 5.18.3 on PowerPC 32-bit and classified as critical. This vulnerability affects the function ptrace_get_fpr of the file ptrace-fpu.c of the component Floating Point Register Handler. This manipulation causes buffer overflow. The identification of this vulnerability is CVE-2022-32981. There is no exploit available. Applying a patch is the recommended action to fix this issue.

Detailsinfo

A vulnerability was found in Linux Kernel up to 5.18.3 on PowerPC 32-bit (Operating System). It has been declared as critical. Affected by this vulnerability is the function ptrace_get_fpr of the file ptrace-fpu.c of the component Floating Point Register Handler. The manipulation with an unknown input leads to a buffer overflow vulnerability. The CWE definition for the vulnerability is CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was shared 06/11/2022. The advisory is shared at git.kernel.org. This vulnerability is known as CVE-2022-32981 since 06/10/2022. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 06/11/2022).

Applying the patch 8e1278444446fc97778a5e5c99bca1ce0bbc5ec9 is able to eliminate this problem. The bugfix is ready for download at git.kernel.org.

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

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.0
VulDB Meta Temp Score: 7.6

VulDB Base Score: 8.0
VulDB Temp Score: 7.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

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: Patch
Status: 🔍

0-Day Time: 🔍

Patch: 8e1278444446fc97778a5e5c99bca1ce0bbc5ec9

Timelineinfo

06/10/2022 🔍
06/11/2022 +1 days 🔍
06/11/2022 +0 days 🔍
06/15/2022 +4 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2022-32981 (🔍)
GCVE (CVE): GCVE-0-2022-32981
GCVE (VulDB): GCVE-100-201589

Entryinfo

Created: 06/11/2022 09:51
Updated: 06/15/2022 09:10
Changes: 06/11/2022 09:51 (44), 06/15/2022 09:10 (1)
Complete: 🔍
Cache ID: 216::103

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

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