CVE-2023-0597

Description

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.

Categories

5.5
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.02%
Affected: n/a Kernel
Published at:
Updated at:

References

Link Tags
https://git.kernel.org/linus/97e3d26b5e5f371b3ee223d94dd123e6c442ba80 mailing list patch
http://www.openwall.com/lists/oss-security/2023/07/28/1 mailing list
https://www.openwall.com/lists/oss-security/2023/07/28/1

Frequently Asked Questions

What is the severity of CVE-2023-0597?
CVE-2023-0597 has been scored as a medium severity vulnerability.
How to fix CVE-2023-0597?
To fix CVE-2023-0597, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-0597 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-0597 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-0597?
CVE-2023-0597 affects n/a Kernel.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.