medium
4.4
CWE
125
Advisory Published
CVE Published
CVE Published
Advisory Published
Updated

CVE-2023-39194: Linux Kernel XFRM Out-Of-Bounds Read Information Disclosure Vulnerability

First published: Wed Jul 26 2023(Updated: )

A flaw was found in the XFRM subsystem in the Linux kernel. The specific flaw exists within the processing of state filters, which can result in a read past the end of an allocated buffer. This flaw allows a local privileged (CAP_NET_ADMIN) attacker to trigger an out-of-bounds read, potentially leading to an information disclosure.

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

Affected SoftwareAffected VersionHow to fix
Linux Linux kernel<6.5
Linux Linux kernel=6.5-rc1
Linux Linux kernel=6.5-rc2
Linux Linux kernel=6.5-rc3
Linux Linux kernel=6.5-rc4
Linux Linux kernel=6.5-rc5
Linux Linux kernel=6.5-rc6
Redhat Enterprise Linux=8.0
Redhat Enterprise Linux=9.0
Fedoraproject Fedora=38
Linux kernel
IBM Security Guardium<=12.0
redhat/kernel<6.5
6.5
debian/linux
5.10.223-1
5.10.226-1
6.1.115-1
6.1.119-1
6.12.5-1

Remedy

Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.

Remedy

https://bugzilla.redhat.com/show_bug.cgi?id=2226788

Remedy

https://www.zerodayinitiative.com/advisories/ZDI-CAN-18111/

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is the CVE ID of this vulnerability?

    The CVE ID of this vulnerability is CVE-2023-39194.

  • What is the severity of CVE-2023-39194?

    The severity of CVE-2023-39194 is low.

  • How can this vulnerability be exploited?

    This vulnerability can be exploited by local attackers who have the ability to execute high-privileged code on the target system.

  • What is the affected software?

    The affected software includes the Linux Kernel versions up to exclusive 6.5.

  • Is there a fix available for this vulnerability?

    Yes, a fix is available. Please refer to the vendor's advisory for the remediation steps.

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