CVE-2023-6931

Out-of-bounds write in Linux kernel's Performance Events system component

Published Dec 19, 2023 CVSS 3.1 · 7.8 High EPSS 1.2% KEV · Not listed
Description
A heap out-of-bounds write vulnerability in the Linux kernel's Performance Events system component can be exploited to achieve local privilege escalation.



A perf_event's read_size can overflow, leading to an heap out-of-bounds increment or write in perf_read_group().



We recommend upgrading past commit 382c27f4ed28f803b1f1473ac2d8db0afc795a1b.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-3710-1 linux security update
Debian DLA Debian DLA DLA-3711-1 linux-5.10 security update
Debian DSA Debian DSA DSA-5593-1 linux security update
Debian DSA Debian DSA DSA-5594-1 linux security update
EUVD EUVD EUVD-2023-59129 A heap out-of-bounds write vulnerability in the Linux kernel's Performance Events system component can be exploited to achieve local privilege escalation. A perf_event's read_size can overflow, leading to an heap out-of-bounds increment or write in perf_read_group(). We recommend upgrading past commit 382c27f4ed28f803b1f1473ac2d8db0afc795a1b.
Ubuntu USN Ubuntu USN USN-6602-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-6603-1 Linux kernel (AWS) vulnerabilities
Ubuntu USN Ubuntu USN USN-6604-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-6604-2 Linux kernel (Azure) vulnerabilities
Ubuntu USN Ubuntu USN USN-6605-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-6605-2 Linux kernel (KVM) vulnerabilities
Ubuntu USN Ubuntu USN USN-6606-1 Linux kernel (OEM) vulnerabilities
Ubuntu USN Ubuntu USN USN-6607-1 Linux kernel (Azure) vulnerabilities
Ubuntu USN Ubuntu USN USN-6608-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-6608-2 Linux kernel (NVIDIA) vulnerabilities
Ubuntu USN Ubuntu USN USN-6609-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-6609-2 Linux kernel (NVIDIA) vulnerabilities
Ubuntu USN Ubuntu USN USN-6609-3 Linux kernel (Oracle) vulnerabilities
Ubuntu USN Ubuntu USN USN-6628-1 Linux kernel (Intel IoTG) vulnerabilities
Ubuntu USN Ubuntu USN USN-6628-2 Linux kernel (Intel IoTG) vulnerabilities
Ubuntu USN Ubuntu USN USN-6635-1 Linux kernel (GCP) vulnerabilities
History
Type Values Removed Values Added
Description A heap out-of-bounds write vulnerability in the Linux kernel's Performance Events system component can be exploited to achieve local privilege escalation. A perf_event's read_size can overflow, leading to an heap out-of-bounds increment or write in perf_read_group(). We recommend upgrading past commit 382c27f4ed28f803b1f1473ac2d8db0afc795a1b. A heap out-of-bounds write vulnerability in the Linux kernel's Performance Events system component can be exploited to achieve local privilege escalation. A perf_event's read_size can overflow, leading to an heap out-of-bounds increment or write in perf_read_group(). We recommend upgrading past commit 382c27f4ed28f803b1f1473ac2d8db0afc795a1b.
Type Values Removed Values Added
Description A heap out-of-bounds write vulnerability in the Linux kernel's Performance Events system component can be exploited to achieve local privilege escalation. A perf_event's read_size can overflow, leading to an heap out-of-bounds increment or write in perf_read_group(). We recommend upgrading past commit 382c27f4ed28f803b1f1473ac2d8db0afc795a1b. A heap out-of-bounds write vulnerability in the Linux kernel's Performance Events system component can be exploited to achieve local privilege escalation. A perf_event's read_size can overflow, leading to an heap out-of-bounds increment or write in perf_read_group(). We recommend upgrading past commit 382c27f4ed28f803b1f1473ac2d8db0afc795a1b.
Weaknesses

Sources

Status
PUBLISHED
Assigner
Google
Published
Updated
Oct 14, 2026, 10:15 PM
Reserved
Dec 18, 2023, 8:13 PM
Status
Modified
Published
Dec 19, 2023, 2:15 PM
Modified
Oct 14, 2026, 11:17 PM
Severity
Moderate
Public date
Nov 29, 2023, 12:00 AM