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CVE-2023-0597

Date: February 23, 2023

A flaw possibility of memory leak in the Linux kernel cpu_entry_area mapping of X86 CPU data to memory was found in the way user can guess location of exception stack(s) or other important data. A local user could use this flaw to get access to some important data with expected location in memory.

Severity Score

Related Resources (6)

https://git.kernel.org/linus/97e3d26b5e5f371b3ee223d94dd123e6c442ba80
https://nvd.nist.gov/vuln/detail/CVE-2023-0597
https://access.redhat.com/security/cve/CVE-2023-0597
https://security-tracker.debian.org/tracker/CVE-2023-0597
http://www.openwall.com/lists/oss-security/2023/07/28/1
https://www.mend.io/vulnerability-database/CVE-2023-0597

Severity Score

Weakness Type (CWE)

Missing Release of Memory after Effective Lifetime

CWE-401

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): NONE
Availability (A): NONE

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