CVE-2022-48820: phy: stm32: fix a refcount leak in stm32_usbphyc_pll_enable()
Vulnerability summary
CVE-2022-48820 is a high (CVSS 7.1) vulnerability in linux. EPSS estimates a 0.28% chance of exploitation in the next 30 days, higher than 20.6% of scored vulnerabilities.
Not severe (CVSS 7.1, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 5 · Related 5Timeline
- 16-07-2024PublishedVulnerability first disclosed.
- 11-05-2026Last modifiedVulnerability information updated.
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.
CVSS metrics
3 scores · 3 sources · 1 version- OSV · UbuntuEcosystem advisory · calculated7.1HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
- OSV · DebianEcosystem advisory · calculated7.1HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
EPSS trend
Probability
0.28%
Chance of exploitation in the next 30 days
Percentile
21%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.28% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu69 products
- linux-allwinner-5.19All versions (No fix recorded)
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
- linux-aws-5.13All versions (No fix recorded)
- linux-aws-5.19All versions (No fix recorded)
Linux2 products
- linux≥ 5b1af71280abd82efbe28cd28d553363dfde0a34, < 94b16ca86ab688ed6fad4548f70137f93cf1f0a9 | ≥ 5b1af71280abd82efbe28cd28d553363dfde0a34, < 0ad1a88fa3eb0ded7798f52b79bc33f75fc9a6d2 | ≥ 5b1af71280abd82efbe28cd28d553363dfde0a34, < cfc826c88a79e22ba5d8001556eb2c7efd8a01b6 | 5.12
- linux_kernel≥ 5.12, < 5.15.24 | ≥ 5.16, < 5.16.10 | 5.17:rc1 | 5.17:rc2 | 5.17:rc3
Debian1 product
- linux< 5.16.10-1
3 vendors · 72 products
