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CVE-2023-39198

UNKNOWN
Published 2023-11-09T19:15:47.605Z
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Expert Analysis

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CVSS Score

V3.1
7.5
/10
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2023.03.01
0.004
probability
of exploitation in the wild

There is a 0.4% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-01-25
Exploit Probability
Percentile: 0.727
Higher than 72.7% of all CVEs

Attack Vector Metrics

Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
HIGH
User Interaction
NONE
Scope
CHANGED

Impact Metrics

Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Description

A race condition was found in the QXL driver in the Linux kernel. The qxl_mode_dumb_create() function dereferences the qobj returned by the qxl_gem_object_create_with_handle(), but the handle is the only one holding a reference to it. This flaw allows an attacker to guess the returned handle value and trigger a use-after-free issue, potentially leading to a denial of service or privilege escalation.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

Red Hat

Red Hat Enterprise Linux 8

Affected Versions:

0:4.18.0-553.rt7.342.el8_10
Red Hat

Red Hat Enterprise Linux 8

Affected Versions:

0:4.18.0-553.el8_10
Red Hat

Red Hat Enterprise Linux 9

Affected Versions:

0:5.14.0-427.13.1.el9_4
Red Hat

Red Hat Enterprise Linux 9

Affected Versions:

0:5.14.0-427.13.1.el9_4
Red Hat

Red Hat Enterprise Linux 6

Red Hat

Red Hat Enterprise Linux 7

Red Hat

Red Hat Enterprise Linux 7

Red Hat

Red Hat Enterprise Linux 9

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed HIGH

GHSA-qhp7-446p-xq88

Advisory Details

A race condition was found in the QXL driver in the Linux kernel. The qxl_mode_dumb_create() function dereferences the qobj returned by the qxl_gem_object_create_with_handle(), but the handle is the only one holding a reference to it. This flaw allows an attacker to guess the returned handle value and trigger a use-after-free issue, potentially leading to a denial of service or privilege escalation.

CVSS Scoring

CVSS Score

7.5

CVSS Vector

CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2023-39198
WEB https://access.redhat.com/errata/RHSA-2024:2394
WEB https://access.redhat.com/errata/RHSA-2024:2950
WEB https://access.redhat.com/errata/RHSA-2024:3138
WEB https://access.redhat.com/security/cve/CVE-2023-39198
WEB https://bugzilla.redhat.com/show_bug.cgi?id=2218332
WEB https://lists.debian.org/debian-lts-announce/2024/06/msg00016.html

Advisory provided by GitHub Security Advisory Database. Published: November 9, 2023, Modified: June 25, 2024

References

https://access.redhat.com/errata/RHSA-2024:2394
https://access.redhat.com/errata/RHSA-2024:2950
https://access.redhat.com/errata/RHSA-2024:3138
https://access.redhat.com/security/cve/CVE-2023-39198
https://bugzilla.redhat.com/show_bug.cgi?id=2218332
Published: 2023-11-09T19:15:47.605Z
Last Modified: 2024-11-15T17:03:59.899Z
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