CVE-2022-50023

dmaengine: dw-axi-dmac: ignore interrupt if no descriptor

Severity Score

5.5

*CVSS v3

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: dmaengine: dw-axi-dmac: ignore interrupt if no descriptor If the channel has no descriptor and the interrupt is raised then the
kernel will OOPS. Check the result of vchan_next_desc() in the handler
axi_chan_block_xfer_complete() to avoid the error happening.

In the Linux kernel, the following vulnerability has been resolved: dmaengine: dw-axi-dmac: ignore interrupt if no descriptor If the channel has no descriptor and the interrupt is raised then the kernel will OOPS. Check the result of vchan_next_desc() in the handler axi_chan_block_xfer_complete() to avoid the error happening.

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

2025-06-18 CVE Reserved
2025-06-18 CVE Published
2026-04-14 EPSS Updated
2026-05-11 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CAPEC

References (4)

URL	Tag	Source
https://git.kernel.org/stable/c/1fe20f1b84548bbcf48b6659ea171cd46618ea3a	Vuln. Introduced

URL	Date	SRC

URL	Date	SRC
https://git.kernel.org/stable/c/54aa6c49361b79f7f6b15fc63dfe9ea52c70bb03	2022-08-25
https://git.kernel.org/stable/c/3d05aeebbde8c69593d8aa512b7c08b8f0ad25ba	2022-08-25
https://git.kernel.org/stable/c/820f5ce999d2f99961e88c16d65cd26764df0590	2022-07-21

URL	Date	SRC

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"				>= 4.17 < 5.15.63 Search vendor "Linux" for product "Linux Kernel" and version " >= 4.17 < 5.15.63"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				>= 4.17 < 5.19.4 Search vendor "Linux" for product "Linux Kernel" and version " >= 4.17 < 5.19.4"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				>= 4.17 < 6.0 Search vendor "Linux" for product "Linux Kernel" and version " >= 4.17 < 6.0"		en		Affected