CWE
367 416 362
Advisory Published
Updated

CVE-2022-1974: Use After Free

First published: Wed Aug 31 2022(Updated: )

A use-after-free flaw was found in the Linux kernel's NFC core functionality due to a race condition between kobject creation and delete. This vulnerability allows a local attacker with CAP_NET_ADMIN privilege to leak kernel information.

Credit: secalert@redhat.com

Affected SoftwareAffected VersionHow to fix
Linux Kernel=5.18-rc6
debian/linux
5.10.223-1
5.10.234-1
6.1.129-1
6.1.128-1
6.12.20-1
6.12.21-1

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Frequently Asked Questions

  • What is the severity of CVE-2022-1974?

    CVE-2022-1974 is considered a medium severity vulnerability due to its potential for information leakage.

  • How do I fix CVE-2022-1974?

    To mitigate CVE-2022-1974, updated versions of affected Linux kernel packages such as 5.10.223-1 or 6.1.123-1 should be installed.

  • Who is affected by CVE-2022-1974?

    CVE-2022-1974 affects users of the Linux kernel versions prior to the patched updates, specifically those with CAP_NET_ADMIN privilege.

  • What type of vulnerability is CVE-2022-1974?

    CVE-2022-1974 is classified as a use-after-free vulnerability caused by a race condition in the NFC core functionality.

  • Can CVE-2022-1974 be exploited remotely?

    CVE-2022-1974 requires local access for exploitation, making it a local privilege escalation vulnerability.

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