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CVE-2022-1974

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Date: August 31, 2022

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.

Language: C

Severity Score

Related Resources (8)

https://people.canonical.com/~ubuntu-security/cve/CVE-2022-1974
https://access.redhat.com/security/cve/CVE-2022-1974
https://security-tracker.debian.org/tracker/CVE-2022-1974
https://nvd.nist.gov/vuln/detail/CVE-2022-1974
https://github.com/gregkh/linux/commit/da5c0f119203ad9728920456a0f52a6d850c01cd
https://bugzilla.suse.com/show_bug.cgi?id=1200144
https://github.com/torvalds/linux/commit/da5c0f119203ad9728920456a0f52a6d850c01cd
https://www.mend.io/vulnerability-database/CVE-2022-1974

Severity Score

Weakness Type (CWE)

Use After Free

CWE-416

Time-of-check Time-of-use (TOCTOU) Race Condition

CWE-367

Top Fix

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Upgrade Version

Upgrade to version linux-yocto - 4.10+gitAUTOINC+805ea440c7_b259a5d744;linux-yocto - 4.8.26+gitAUTOINC+1c60e003c7_27efc3ba68;linux-libc-headers - 5.14

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CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): HIGH
Privileges Required (PR): HIGH
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): NONE
Availability (A): NONE

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