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CVE-2023-2008

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Date: April 14, 2023

A flaw was found in the Linux kernel's udmabuf device driver. The specific flaw exists within a fault handler. The issue results from the lack of proper validation of user-supplied data, which can result in a memory access past the end of an array. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of the kernel.

Language: C

Severity Score

Related Resources (9)

https://security.netapp.com/advisory/ntap-20230517-0007/
https://access.redhat.com/security/cve/CVE-2023-2008
https://nvd.nist.gov/vuln/detail/CVE-2023-2008
https://bugzilla.redhat.com/show_bug.cgi?id=2186862
https://bugzilla.redhat.com/show_bug.cgiid=2186862
https://www.zerodayinitiative.com/advisories/ZDI-23-441/
https://github.com/torvalds/linux/commit/05b252cccb2e5c3f56119d25de684b4f810ba4
https://people.canonical.com/~ubuntu-security/cve/CVE-2023-2008
https://www.mend.io/vulnerability-database/CVE-2023-2008

Severity Score

Weakness Type (CWE)

Improper Validation of Array Index

CWE-129

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

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