CVE-2022-49676

memory: samsung: exynos5422-dmc: Fix refcount leak in of_get_dram_timings

MEDIUM
5.5
CVSS Score
Published: February 26, 2025 at 02:24 AM UTC
Updated: June 17, 2026 at 05:18 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: memory: samsung: exynos5422-dmc: Fix refcount leak in of_get_dram_timings of_parse_phandle() returns a node pointer with refcount incremented, we should use of_node_put() on it when not need anymore. This function doesn't call of_node_put() in some error paths. To unify the structure, Add put_node label and goto it on errors.

Affected

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

5.11 ≤ v < 5.15.515.16 ≤ v < 5.18.85.5 ≤ v < 5.10.1275.5 ≤ v < 5.15.515.5 ≤ v < 5.18.85.5 ≤ v < 5.195.19 rc15.19 rc25.19 rc36e7674c3c6df565ab47d02b4f2e608e3477cdf86
Vendor states this is fixed in 1332661e09304b7b8e84e5edc11811ba08d12abe (fixed)
Vendor states this is fixed in 889aad2203e09eed2071ca8985c25e9d6aea5735 (fixed)
Vendor states this is fixed in bb2a481778c60f912c363e271ae46b55ff8132db (fixed)
Vendor states this is fixed in cde4480b5ab06195b9164184b0c02ced71e601b4 (fixed)
Vendor states this is fixed in 5.10.127 (unaffected)
Vendor states this is fixed in 5.15.51 (unaffected)
Vendor states this is fixed in 5.18.8 (unaffected)
Vendor states this is fixed in 5.19 (unaffected)
Vendor states this is fixed in 5.5 (unaffected)

References (4)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/1332661e09304b7b8e84e5edc11811ba08d12abe
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/889aad2203e09eed2071ca8985c25e9d6aea5735
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/bb2a481778c60f912c363e271ae46b55ff8132db
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/cde4480b5ab06195b9164184b0c02ced71e601b4

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

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

CVSS

5.5MEDIUMCISA-ADP
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
NVD-CWE-Other

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