CVE-2020-36778
i2c: xiic: fix reference leak when pm_runtime_get_sync fails
- Published
- Updated
- Reserved
- Assigned by
- Linux
Description
In the Linux kernel, the following vulnerability has been resolved: i2c: xiic: fix reference leak when pm_runtime_get_sync fails The PM reference count is not expected to be incremented on return in xiic_xfer and xiic_i2c_remove. 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 (7 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 10b17004a74c384c6f410af355b0d6d7a168f613 – < c977426db644ba476938125597947979e8aba725
- affected 10b17004a74c384c6f410af355b0d6d7a168f613 – < e2ba996577eaea423694dc69ae43d56f1410a22b
- affected 10b17004a74c384c6f410af355b0d6d7a168f613 – < a42ac16e6573f19c78f556ea292f5b534fcc4514
- affected 10b17004a74c384c6f410af355b0d6d7a168f613 – < a85c5c7a3aa8041777ff691400b4046e56149fd3
- 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 (4)
- https://git.kernel.org/stable/c/c977426db644ba476938125597947979e8aba725 (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/e2ba996577eaea423694dc69ae43d56f1410a22b (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/a42ac16e6573f19c78f556ea292f5b534fcc4514 (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/a85c5c7a3aa8041777ff691400b4046e56149fd3 (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)
- 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://trackcve.app/cve/CVE-2020-36778)Record last updated .