CVE-2022-48656

dmaengine: ti: k3-udma-private: Fix refcount leak bug in of_xudma_dev_get()

MEDIUM
5.5
CVSS Score
Published: April 28, 2024 at 01:01 PM UTC
Updated: June 17, 2026 at 05:15 AM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

Description

In the Linux kernel, the following vulnerability has been resolved: dmaengine: ti: k3-udma-private: Fix refcount leak bug in of_xudma_dev_get() We should call of_node_put() for the reference returned by of_parse_phandle() in fail path or when it is not used anymore. Here we only need to move the of_node_put() before the check.

Affected

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

5.11.0 ≤ v < 5.15.715.16.0 ≤ v < 5.19.125.6 ≤ v < 5.10.1465.6 ≤ v < 5.15.715.6 ≤ v < 5.19.125.6 ≤ v < 6.05.6.0 ≤ v < 5.10.1465.6d702419134133db1eab2067dc6ea5723467fd917
Vendor states this is fixed in a17df55bf6d536712da6902a83db82b82e67d5a2 (fixed)
Vendor states this is fixed in aa11dae059a439af82bae541b134f8f53ac177b5 (fixed)
Vendor states this is fixed in dd5a6c5a08752b613e83ad2cb5133e72a64b876d (fixed)
Vendor states this is fixed in f9fdb0b86f087c2b7f6c6168dd0985a3c1eda87e (fixed)
Vendor states this is fixed in 5.10.146 (unaffected)
Vendor states this is fixed in 5.15.71 (unaffected)
Vendor states this is fixed in 5.19.12 (unaffected)
Vendor states this is fixed in 5.6 (unaffected)
Vendor states this is fixed in 6.0 (unaffected)

References (4)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/a17df55bf6d536712da6902a83db82b82e67d5a2
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/aa11dae059a439af82bae541b134f8f53ac177b5
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/dd5a6c5a08752b613e83ad2cb5133e72a64b876d
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/f9fdb0b86f087c2b7f6c6168dd0985a3c1eda87e

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

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

Quick Info

StatusMODIFIED
CWE
CWE-401

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