CVE-2022-29279

HIGH

8.2

CVSS Score

Published: November 15, 2022 at 12:00 AM UTC

Updated: June 17, 2026 at 04:39 AM UTC

1 product affected across 1 vendorKernel

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Severity

HIGH8.2

Exploit prediction

EPSS 0.2%

SSVC

No known exploit

Description

Use of a untrusted pointer allows tampering with SMRAM and OS memory in SdHostDriver and SdMmcDevice Use of a untrusted pointer allows tampering with SMRAM and OS memory in SdHostDriver and SdMmcDevice. This issue was discovered by Insyde during security review. It was fixed in: Kernel 5.0: version 05.09.17 Kernel 5.1: version 05.17.17 Kernel 5.2: version 05.27.17 Kernel 5.3: version 05.36.17 Kernel 5.4: version 05.44.17 Kernel 5.5: version 05.52.17 https://www.insyde.com/security-pledge/SA-2022062

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Kernel · Insyde

95%

5.0 ≤ v < 5.0.05.09.175.1 ≤ v < 5.1.05.17.175.2 ≤ v < 5.2.05.27.175.3 ≤ v < 5.3.05.36.175.4 ≤ v < 5.4.05.44.175.5 ≤ v < 5.5.05.52.17

Affected range stops below 5.0.05.09.17, so it looks safe — our inference, not a vendor statement

Affected range stops below 5.1.05.17.17, so it looks safe — our inference, not a vendor statement

Affected range stops below 5.2.05.27.17, so it looks safe — our inference, not a vendor statement

Affected range stops below 5.3.05.36.17, so it looks safe — our inference, not a vendor statement

Affected range stops below 5.4.05.44.17, so it looks safe — our inference, not a vendor statement

Affected range stops below 5.5.05.52.17, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

Vendor Advisory

Source: [email protected]

https://www.insyde.com/security-pledge

Vendor Advisory

Source: [email protected]

https://www.insyde.com/security-pledge/SA-2022062

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.2HIGHCISA-ADP

Attack Vector: LOCAL
Complexity: LOW
Privileges: HIGH
User Interaction: NONE
Scope: CHANGED
Confidentiality: HIGH
Integrity: HIGH
Availability: HIGH

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-119

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