CVE-2022-49864

drm/amdkfd: Fix NULL pointer dereference in svm_migrate_to_ram()

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, the following vulnerability has been resolved: drm/amdkfd: Fix NULL pointer dereference in svm_migrate_to_ram() ./drivers/gpu/drm/amd/amdkfd/kfd_migrate.c:985:58-62: ERROR: p is NULL but dereferenced.

A flaw was found in the Linux kernel's AMD Kernel Fusion Driver (AMDKFD). In specific error conditions, an object holding a NULL value is used, causing a NULL pointer dereference and resulting in a denial of service.

This update provides the initial livepatch for this kernel update. This update does not contain any fixes and will be updated with livepatches later.

*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

None

Confidentiality

None

Integrity

None

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2025-05-01 CVE Reserved
2025-05-01 CVE Published
2025-05-04 CVE Updated
2025-07-08 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-476: NULL Pointer Dereference

CAPEC

References (5)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC
https://git.kernel.org/stable/c/3c1bb6187e566143f15dbf0367ae671584aead5b	2022-11-16
https://git.kernel.org/stable/c/613d5a9a440828970f1543b962779401ac2c9c62	2022-11-16
https://git.kernel.org/stable/c/5b994354af3cab770bf13386469c5725713679af	2022-11-02

URL	Date	SRC
https://access.redhat.com/security/cve/CVE-2022-49864	2023-11-14
https://bugzilla.redhat.com/show_bug.cgi?id=2363495	2023-11-14

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"				< 5.15.79 Search vendor "Linux" for product "Linux Kernel" and version " < 5.15.79"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				< 6.0.9 Search vendor "Linux" for product "Linux Kernel" and version " < 6.0.9"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				< 6.1 Search vendor "Linux" for product "Linux Kernel" and version " < 6.1"		en		Affected