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CVE-2022-2959

Date: August 24, 2022

A race condition was found in the Linux kernel's watch queue due to a missing lock in pipe_resize_ring(). The specific flaw exists within the handling of pipe buffers. The issue results from the lack of proper locking when performing operations on an object. This flaw allows a local user to crash the system or escalate their privileges on the system.

Severity Score

Related Resources (8)

https://nvd.nist.gov/vuln/detail/CVE-2022-2959
https://github.com/torvalds/linux/commit/189b0ddc245139af81198d1a3637cac74f96e13a
https://access.redhat.com/security/cve/CVE-2022-2959
https://www.zerodayinitiative.com/advisories/ZDI-22-1165/
https://security-tracker.debian.org/tracker/CVE-2022-2959
https://security.netapp.com/advisory/ntap-20230214-0005/
https://people.canonical.com/~ubuntu-security/cve/CVE-2022-2959
https://www.mend.io/vulnerability-database/CVE-2022-2959

Severity Score

Weakness Type (CWE)

Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

CWE-362

Improper Locking

CWE-667

CVSS v3.1

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

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