CVE-2020-36779i2c: stm32f7: fix reference leak when pm_runtime_get_sync fails
- 5.5MediumCVSS base score
- 0.22%Exploitation in 30 daysEPSS · top 87% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
In the Linux kernel, the following vulnerability has been resolved: i2c: stm32f7: fix reference leak when pm_runtime_get_sync fails The PM reference count is not expected to be incremented on return in these stm32f7_i2c_xx serious functions. However, pm_runtime_get_sync will increment the PM reference count even failed. Forgetting to putting operation will result in a reference leak here. Replace it with pm_runtime_resume_and_get to keep usage counter balanced.
Timeline
ID reserved
By Linux
- 2 days later
· 2 days later
Published
- 2 years later
· 2 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Analyzed | 3.1 | Medium5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 0.22% · top 87% of all CVEs (14 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.5.
Affected products
- affected ea6dd25deeb5b797a145be7f860e3085e7d104c3 – < c323b270a52a26aa8038a4d1fd9a850904a41166
- affected ea6dd25deeb5b797a145be7f860e3085e7d104c3 – < d791b90f5c5e5aa8ccf9e33386c16bd2b7e333a4
- affected ea6dd25deeb5b797a145be7f860e3085e7d104c3 – < c7ea772c9fcf711ed566814b92eecaffc0e2bfd0
- affected ea6dd25deeb5b797a145be7f860e3085e7d104c3 – < 2c662660ce2bd3b09dae21a9a9ac9395e1e6c00b
- affected 5.6
- unaffected < 5.6
- unaffected 5.10.37 – ≤ 5.10.*
- unaffected 5.11.21 – ≤ 5.11.*
- unaffected 5.12.4 – ≤ 5.12.*
- unaffected 5.13 – ≤ *
References
References4
- https://git.kernel.org/stable/c/c323b270a52a26aa8038a4d1fd9a850904a41166 (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/d791b90f5c5e5aa8ccf9e33386c16bd2b7e333a4 (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/c7ea772c9fcf711ed566814b92eecaffc0e2bfd0 (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/2c662660ce2bd3b09dae21a9a9ac9395e1e6c00b (opens in a new tab)x_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2020-24220 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2020-36779)Record last updated .