high
7.8
CWE
416
Advisory Published
CVE Published
Updated

CVE-2023-1652: Use After Free

First published: Thu Jan 12 2023(Updated: )

A use-after-free flaw was found in nfsd4_ssc_setup_dul in fs/nfsd/nfs4proc.c in the NFS filesystem in the Linux Kernel. This issue could allow a local attacker to crash the system or it may lead to a kernel information leak problem.

Credit: secalert@redhat.com

Affected SoftwareAffected VersionHow to fix
redhat/Kernel<6.2
6.2
Linux Kernel>=5.14<5.15.91
Linux Kernel>=5.16<6.1.9
Linux Kernel=6.2-rc1
Linux Kernel=6.2-rc2
Linux Kernel=6.2-rc3
Linux Kernel=6.2-rc4
Red Hat Enterprise Linux=9.0
debian/linux
5.10.223-1
5.10.226-1
6.1.123-1
6.1.128-1
6.12.12-1
6.12.15-1
>=5.14<5.15.91
>=5.16<6.1.9
=6.2-rc1
=6.2-rc2
=6.2-rc3
=6.2-rc4
=9.0

Remedy

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

Remedy

https://access.redhat.com/security/cve/cve-2023-1652

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2023-1652?

    CVE-2023-1652 has a high severity rating due to the potential for local attackers to crash the system or leak sensitive kernel information.

  • How do I fix CVE-2023-1652?

    To fix CVE-2023-1652, update to the patched versions of the Linux Kernel, specifically versions 6.2 or any version above 5.15.91 compatible with the affected distributions.

  • Which systems are affected by CVE-2023-1652?

    CVE-2023-1652 affects various versions of the Linux Kernel, particularly those between 5.14 and 6.1.9, including specific Red Hat and Debian distributions.

  • What type of vulnerability is CVE-2023-1652?

    CVE-2023-1652 is a use-after-free vulnerability affecting the NFS filesystem in the Linux Kernel.

  • Can CVE-2023-1652 be exploited remotely?

    CVE-2023-1652 is primarily a local vulnerability that can be exploited by local attackers with access to the system.

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