CVE-2022-50023

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

MEDIUM
5.5
CVSS Score
Published: June 18, 2025 at 11:01 AM UTC
Updated: June 17, 2026 at 05:22 AM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.2%

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 5.15.634.17 ≤ v < 5.15.634.17 ≤ v < 5.19.44.17 ≤ v < 6.05.16 ≤ v < 5.19.41fe20f1b84548bbcf48b6659ea171cd46618ea3a4.17
Vendor states this is fixed in 3d05aeebbde8c69593d8aa512b7c08b8f0ad25ba (fixed)
Vendor states this is fixed in 54aa6c49361b79f7f6b15fc63dfe9ea52c70bb03 (fixed)
Vendor states this is fixed in 820f5ce999d2f99961e88c16d65cd26764df0590 (fixed)
Vendor states this is fixed in 4.17 (unaffected)
Vendor states this is fixed in 5.15.63 (unaffected)
Vendor states this is fixed in 5.19.4 (unaffected)
Vendor states this is fixed in 6.0 (unaffected)

References (3)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/3d05aeebbde8c69593d8aa512b7c08b8f0ad25ba
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/54aa6c49361b79f7f6b15fc63dfe9ea52c70bb03
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/820f5ce999d2f99961e88c16d65cd26764df0590

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
NVD-CWE-noinfo

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