CVE-2024-0582

Kernel: io_uring: page use-after-free vulnerability via buffer ring mmap

Published Jan 16, 2024 CVSS 3.1 · 7.8 High EPSS 12.8% KEV · Not listed
Description
A memory leak flaw was found in the Linux kernel’s io_uring functionality in how a user registers a buffer ring with IORING_REGISTER_PBUF_RING, mmap() it, and then frees it. This flaw allows a local user to crash or potentially escalate their privileges on the system.

Remediation

Vendor Workaround

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.

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2024-16375 A memory leak flaw was found in the Linux kernel’s io_uring functionality in how a user registers a buffer ring with IORING_REGISTER_PBUF_RING, mmap() it, and then frees it. This flaw allows a local user to crash or potentially escalate their privileges on the system.
Ubuntu USN Ubuntu USN USN-6651-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-6651-2 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-6651-3 Linux kernel (StarFive) vulnerabilities
Ubuntu USN Ubuntu USN USN-6652-1 Linux kernel (Azure) vulnerabilities
History
Type Values Removed Values Added
First Time appeared Redhat rhel Els
CPEs cpe:/o:redhat:enterprise_linux:6
cpe:/o:redhat:enterprise_linux:7
cpe:/o:redhat:enterprise_linux:8
cpe:/o:redhat:enterprise_linux:9
cpe:/a:redhat:enterprise_linux:8
cpe:/a:redhat:enterprise_linux:9
cpe:/o:redhat:rhel_els:6
cpe:/o:redhat:rhel_els:7
Vendors & Products Redhat rhel Els
Type Values Removed Values Added
Metrics epss

{'score': 0.00439}

epss

{'score': 0.00452}

Type Values Removed Values Added
Metrics ssvc

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

Weaknesses

Sources

Status
PUBLISHED
Assigner
redhat
Published
Updated
Nov 4, 2026, 9:07 PM
Reserved
Jan 16, 2024, 9:44 AM
Status
Modified
Published
Jan 16, 2024, 3:15 PM
Modified
Nov 4, 2026, 9:17 PM
Severity
Important
Public date
Jan 8, 2024, 12:00 AM