Vulnerability CVE-2022-38096

Vulnerability Name:

CVE-2022-38096 (CCN-235788)

Assigned:

2022-09-07

Published:

2022-09-07

Updated:

2022-09-14

Summary:

A NULL pointer dereference vulnerability was found in vmwgfx driver in drivers/gpu/vmxgfx/vmxgfx_execbuf.c in GPU component of Linux kernel with device file '/dev/dri/renderD128 (or Dxxx)'. This flaw allows a local attacker with a user account on the system to gain privilege, causing a denial of service(DoS).

CVSS v3 Severity:

5.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)
4.9 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:U/RC:R)

Exploitability Metrics:	Attack Vector (AV): Local Attack Complexity (AC): Low Privileges Required (PR): Low User Interaction (UI): None
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): High

7.8 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
6.9 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:U/RC:R)

Exploitability Metrics:	Attack Vector (AV): Local Attack Complexity (AC): Low Privileges Required (PR): Low User Interaction (UI): None
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): High Integrity (I): High Availibility (A): High

CVSS v2 Severity:

6.8 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:C/I:C/A:C)

Exploitability Metrics:	Access Vector (AV): Local Access Complexity (AC): Low Athentication (Au): Single_Instance
Impact Metrics:	Confidentiality (C): Complete Integrity (I): Complete Availibility (A): Complete

Vulnerability Type:

CWE-476

Vulnerability Consequences:

Gain Privileges

References:

Source: MITRE
Type: CNA
CVE-2022-38096

Source: CCN
Type: Bugzilla - Bug 2073
Linux Kernel

Source: MISC
Type: Issue Tracking, Permissions Required
https://bugzilla.openanolis.cn/show_bug.cgi?id=2073

Source: XF
Type: UNKNOWN
linux-kernel-cve202238096-priv-esc(235788)

Source: CCN
Type: Linux Kernel Web site
The Linux Kernel Archives

Vulnerable Configuration:

Configuration 1:

cpe:/o:linux:linux_kernel:*:*:*:*:*:*:*:* (Version >= 4.20

Configuration CCN 1:

cpe:/o:linux:linux_kernel:-:*:*:*:*:*:*:*

Denotes that component is vulnerable

Oval Definitions

Definition ID	Class	Title	Last Modified
oval:org.opensuse.security:def:8187	P	Security update for the Linux Kernel (Important) (in QA)	2023-06-15
oval:org.opensuse.security:def:55527	P	Security update for the Linux Kernel (Important)	2023-03-31
oval:org.opensuse.security:def:55522	P	Security update for the Linux Kernel (Important)	2023-03-28

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