CVE-2022-50024

dmaengine: dw-axi-dmac: do not print NULL LLI during error

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: do not print NULL LLI during error During debugging we have seen an issue where axi_chan_dump_lli() is passed a NULL LLI pointer which ends up causing an OOPS due to trying to get fields from it. Simply print NULL LLI and exit to avoid this.

Affected

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

v < 5.15.635.12 ≤ v < 5.15.635.12 ≤ v < 5.19.45.12 ≤ v < 6.05.16 ≤ v < 5.19.45.12ef6fb2d6f1abd56cc067c694253ea362159b5ac3
Vendor states this is fixed in 86cb0defe0e275453bc39e856bb523eb425a6537 (fixed)
Vendor states this is fixed in ad764df73ae5eada265fffc0408404703cbb2b8d (fixed)
Vendor states this is fixed in af76e6fdcf92f1a742b788d0dba5edd194267bf9 (fixed)
Vendor states this is fixed in 5.12 (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/86cb0defe0e275453bc39e856bb523eb425a6537
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/ad764df73ae5eada265fffc0408404703cbb2b8d
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/af76e6fdcf92f1a742b788d0dba5edd194267bf9

CVSS

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

Quick Info

StatusANALYZED
CWE
CWE-476

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