CVE-2023-22998

kernel: drm/virtio: improper return value check in virtio_gpu_object_shmem_init()

Severity Score

5.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

In the Linux kernel before 6.0.3, drivers/gpu/drm/virtio/virtgpu_object.c misinterprets the drm_gem_shmem_get_sg_table return value (expects it to be NULL in the error case, whereas it is actually an error pointer).

*Credits: N/A

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Local

Attack Complexity

Low

Authentication

Single

Confidentiality

None

Integrity

None

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2023-01-11 CVE Reserved
2023-02-28 CVE Published
2024-08-02 CVE Updated
2024-09-20 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-436: Interpretation Conflict

CAPEC

References (5)

URL	Tag	Source
https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0.3	Release Notes
https://lists.debian.org/debian-lts-announce/2023/05/msg00005.html	Mailing List

URL	Date	SRC

URL	Date	SRC
https://github.com/torvalds/linux/commit/c24968734abfed81c8f93dc5f44a7b7a9aecadfa	2023-05-03

URL	Date	SRC
https://access.redhat.com/security/cve/CVE-2023-22998	2023-05-16
https://bugzilla.redhat.com/show_bug.cgi?id=2182429	2023-05-16

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				< 6.0.3 Search vendor "Linux" for product "Linux Kernel" and version " < 6.0.3"		-		Affected