CVE-2023-2612

shiftfs lock unbalance in Ubuntu-specific kernels

Published May 30, 2023 CVSS 3.1 · 4.4 Medium EPSS < 1% KEV · Not listed
Description
Jean-Baptiste Cayrou discovered that the shiftfs file system in the Ubuntu Linux kernel contained a race condition when handling inode locking in some situations. A local attacker could use this to cause a denial of service (kernel deadlock).

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2023-34086 Jean-Baptiste Cayrou discovered that the shiftfs file system in the Ubuntu Linux kernel contained a race condition when handling inode locking in some situations. A local attacker could use this to cause a denial of service (kernel deadlock).
Ubuntu USN Ubuntu USN USN-6122-1 Linux kernel (OEM) vulnerabilities
Ubuntu USN Ubuntu USN USN-6123-1 Linux kernel (OEM) vulnerabilities
Ubuntu USN Ubuntu USN USN-6124-1 Linux kernel (OEM) vulnerabilities
Ubuntu USN Ubuntu USN USN-6127-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-6131-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-6132-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-6135-1 Linux kernel (Azure CVM) vulnerabilities
Ubuntu USN Ubuntu USN USN-6150-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-6162-1 Linux kernel (Intel IoTG) vulnerabilities
Ubuntu USN Ubuntu USN USN-6175-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-6186-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-6222-1 Linux kernel (Xilinx ZynqMP) vulnerabilities
Ubuntu USN Ubuntu USN USN-6256-1 Linux kernel (IoT) vulnerabilities
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
canonical
Published
Updated
Feb 13, 2025, 4:44 PM
Reserved
May 10, 2023, 1:02 AM
Status
Modified
Published
May 31, 2023, 12:15 AM
Modified
Jun 17, 2026, 5:53 AM