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CVE-2022-48820

phy: stm32: fix a refcount leak in stm32_usbphyc_pll_enable()

HIGH
7.1
CVSS Score
Published: July 16, 2024 at 11:44 AM UTC
Updated: June 17, 2026 at 05:16 AM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
HIGH7.1
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

Description

In the Linux kernel, the following vulnerability has been resolved: phy: stm32: fix a refcount leak in stm32_usbphyc_pll_enable() This error path needs to decrement "usbphyc->n_pll_cons.counter" before returning.

Affected

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

Linux Kernel· Linux
95%
5.12 ≤ v < 5.15.245.12 ≤ v < 5.16.105.12 ≤ v < 5.175.16 ≤ v < 5.16.105.17 rc15.17 rc25.17 rc35b1af71280abd82efbe28cd28d553363dfde0a34
Vendor states this is fixed in 0ad1a88fa3eb0ded7798f52b79bc33f75fc9a6d2 (fixed)
Vendor states this is fixed in 94b16ca86ab688ed6fad4548f70137f93cf1f0a9 (fixed)
Vendor states this is fixed in cfc826c88a79e22ba5d8001556eb2c7efd8a01b6 (fixed)
Vendor states this is fixed in 5.12 (unaffected)
Vendor states this is fixed in 5.15.24 (unaffected)
Vendor states this is fixed in 5.16.10 (unaffected)
Vendor states this is fixed in 5.17 (unaffected)

References (3)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/0ad1a88fa3eb0ded7798f52b79bc33f75fc9a6d2
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/94b16ca86ab688ed6fad4548f70137f93cf1f0a9
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/cfc826c88a79e22ba5d8001556eb2c7efd8a01b6

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

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

CVSS

7.1HIGH[email protected]
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
NVD-CWE-Other

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