What’s Vulnerable › Vulnerabilities

CVE-2023-0597

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-02-23 · updated 2026-06-17
• Weakness: CWE-200

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.

Affected products

• Linux kernel: 6.2-rc1

References

• http://www.openwall.com/lists/oss-security/2023/07/28/1
• https://git.kernel.org/linus/97e3d26b5e5f371b3ee223d94dd123e6c442ba80
• http://www.openwall.com/lists/oss-security/2023/07/28/1
• https://git.kernel.org/linus/97e3d26b5e5f371b3ee223d94dd123e6c442ba80
• https://www.openwall.com/lists/oss-security/2023/07/28/1

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