CVE-2023-30738

HIGH
7.8
CVSS Score
Published: October 4, 2023 at 03:02 AM UTC
Updated: June 17, 2026 at 05:55 AM UTC
8 products affected across 1 vendorGalaxy Book Odyssey FirmwareGalaxy Book FirmwareGalaxy Book Pro 360 Firmware

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Severity
HIGH7.8
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

An improper input validation in UEFI Firmware prior to Firmware update Oct-2023 Release in Galaxy Book, Galaxy Book Pro, Galaxy Book Pro 360 and Galaxy Book Odyssey allows local attacker to execute SMM memory corruption.

Affected

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

v < oct-2023
Affected range stops below oct-2023, so it looks safe — our inference, not a vendor statement
samsung-galaxy-book (same device)
v < oct-2023
Affected range stops below oct-2023, so it looks safe — our inference, not a vendor statement
samsung-galaxy-book-odyssey (same device)
v < oct-2023
Affected range stops below oct-2023, so it looks safe — our inference, not a vendor statement
samsung-galaxy-book-pro-360 (same device)
v < oct-2023
Affected range stops below oct-2023, so it looks safe — our inference, not a vendor statement
samsung-galaxy-book-pro (same device)
All versions
All versions
All versions
All versions

Remediation

No guide yet

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

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

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

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
NVD-CWE-noinfo

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