insyde Kernel AhciBusDxe memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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6.7$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in insyde Kernel. Affected by this issue is some unknown functionality of the component AhciBusDxe. Such manipulation leads to memory corruption. This vulnerability is traded as CVE-2022-29276. There is no exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in insyde Kernel (unknown version) and classified as critical. Affected by this issue is an unknown code block of the component AhciBusDxe. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is confidentiality, integrity, and availability. CVE summarizes:

SMI functions in AhciBusDxe use untrusted inputs leading to corruption of SMRAM. SMI functions in AhciBusDxe use untrusted inputs leading to corruption of SMRAM. This issue was discovered by Insyde during security review. It was fixed in: Kernel 5.0: version 05.09.18 Kernel 5.1: version 05.17.18 Kernel 5.2: version 05.27.18 Kernel 5.3: version 05.36.18 Kernel 5.4: version 05.44.18 Kernel 5.5: version 05.52.18 https://www.insyde.com/security-pledge/SA-2022059

The weakness was shared 11/16/2022. The advisory is shared for download at insyde.com. This vulnerability is handled as CVE-2022-29276 since 04/15/2022. There are neither technical details nor an exploit publicly available.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2022-33619). Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.8
VulDB Meta Temp Score: 6.7

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.2
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
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: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

04/15/2022 🔍
11/16/2022 +215 days 🔍
11/16/2022 +0 days 🔍
05/22/2026 +1283 days 🔍

Sourcesinfo

Advisory: insyde.com
Status: Confirmed

CVE: CVE-2022-29276 (🔍)
GCVE (CVE): GCVE-0-2022-29276
GCVE (VulDB): GCVE-100-213764
EUVD: 🔍

Entryinfo

Created: 11/16/2022 07:24
Updated: 05/22/2026 07:23
Changes: 11/16/2022 07:24 (38), 12/19/2022 08:45 (12), 04/30/2025 17:31 (15), 05/22/2026 07:23 (1)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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