CVE-2023-0597

MEDIUM5.5

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

Published Feb 23, 2023

Modified 10 months ago

Details

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.

References

WEBhttp://www.openwall.com/lists/oss-security/2023/07/28/1 WEBhttps://git.kernel.org/linus/97e3d26b5e5f371b3ee223d94dd123e6c442ba80 ADVISORYhttps://www.cve.org/CVERecord?id=CVE-2023-0597 DETECTIONhttps://www.openwall.com/lists/oss-security/2023/07/28/1

CVSS Analysis

CVSS v3.1

5.5

Exploitability

Attack Vector

LocalAV:L

Attack Complexity

LowAC:L

Privileges Required

LowPR:L

User Interaction

NoneUI:N

Scope

UnchangedS:U

Impact

Confidentiality

HighC:H

Integrity

NoneI:N

Availability

NoneA:N

5.5/CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Weakness Type (CWE)

Information Disclosure

CWE-200

Information Exposure

Ecosystems

Timeline

PublishedFeb 23, 2023

ModifiedMar 12, 2025