high
7
CWE
401 200
Advisory Published
CVE Published
Updated

CVE-2023-0597: Infoleak

First published: Fri Oct 07 2022(Updated: )

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.

Credit: secalert@redhat.com secalert@redhat.com secalert@redhat.com

Affected SoftwareAffected VersionHow to fix
redhat/Linux kernel<6.2
6.2
Linux Kernel=6.2-rc1
debian/linux<=5.10.223-1<=5.10.226-1<=6.1.123-1<=6.1.128-1
6.12.12-1
6.12.13-1
IBM Security Verify Governance - Identity Manager<=ISVG 10.0.2
IBM Security Verify Governance, Identity Manager<=ISVG 10.0.2

Remedy

https://git.kernel.org/linus/97e3d26b5e5f371b3ee223d94dd123e6c442ba80

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is the severity of CVE-2023-0597?

    CVE-2023-0597 has been categorized with medium severity due to the potential for local users to exploit a memory leak.

  • How do I fix CVE-2023-0597?

    To resolve CVE-2023-0597, update your Linux kernel to versions 6.2 or later, or apply the recommended patches for affected distributions.

  • Who is affected by CVE-2023-0597?

    CVE-2023-0597 affects local users of specific versions of the Linux kernel, as well as products from IBM Security Verify Governance and Identity Manager.

  • What kind of data is at risk with CVE-2023-0597?

    CVE-2023-0597 may allow unauthorized access to sensitive data mapped in memory, including exception stacks.

  • Is CVE-2023-0597 a remote exploitation vulnerability?

    No, CVE-2023-0597 requires local access to exploit the memory leak vulnerability.

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