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CVE-2023-0459
Good to know:
Date: May 25, 2023
Copy_from_user on 64-bit versions of the Linux kernel does not implement the __uaccess_begin_nospec allowing a user to bypass the "access_ok" check and pass a kernel pointer to copy_from_user(). This would allow an attacker to leak information. We recommend upgrading beyond commit 74e19ef0ff8061ef55957c3abd71614ef0f42f47
Language: C
Severity Score
Related Resources (5)
Severity Score
Weakness Type (CWE)
Release of Invalid Pointer or Reference
CWE-763Top Fix
Upgrade Version
Upgrade to version v4.14.307,v4.19.274,v5.4.233,v5.10.170,v5.15.96,v6.1.14,v6.2.1
CVSS v3.1
| Base Score: |
|
|---|---|
| Attack Vector (AV): | NETWORK |
| Attack Complexity (AC): | LOW |
| Privileges Required (PR): | LOW |
| User Interaction (UI): | NONE |
| Scope (S): | UNCHANGED |
| Confidentiality (C): | HIGH |
| Integrity (I): | NONE |
| Availability (A): | NONE |