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CVE-2022-48723
spi: uniphier: fix reference count leak in uniphier_spi_probe()
Medium5.5EPSS 0.22%
- Published
- Updated
- Reserved
- Assigned by
- Linux
Description
In the Linux kernel, the following vulnerability has been resolved: spi: uniphier: fix reference count leak in uniphier_spi_probe() The issue happens in several error paths in uniphier_spi_probe(). When either dma_get_slave_caps() or devm_spi_register_master() returns an error code, the function forgets to decrease the refcount of both `dma_rx` and `dma_tx` objects, which may lead to refcount leaks. Fix it by decrementing the reference count of specific objects in those error paths.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 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 (6 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.5.
Affected products
- affected 28d1dddc59f6b7fc085093e7c1e978b33f0caf4c – < e895e067d73e154b1ebc84a124e00831e311d9b0
- affected 28d1dddc59f6b7fc085093e7c1e978b33f0caf4c – < dd00b4f8f768d81c3788a8ac88fdb3d745e55ea3
- affected 28d1dddc59f6b7fc085093e7c1e978b33f0caf4c – < 447c3d4046d7b54052d07d8b27e15e6edea5662c
- affected 28d1dddc59f6b7fc085093e7c1e978b33f0caf4c – < 37c2c83ca4f1ef4b6908181ac98e18360af89b42
- affected 5.6
- unaffected < 5.6
- unaffected 5.10.99 – ≤ 5.10.*
- unaffected 5.15.22 – ≤ 5.15.*
- unaffected 5.16.8 – ≤ 5.16.*
- unaffected 5.17 – ≤ *
References (4)
- https://git.kernel.org/stable/c/e895e067d73e154b1ebc84a124e00831e311d9b0 (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/dd00b4f8f768d81c3788a8ac88fdb3d745e55ea3 (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/447c3d4046d7b54052d07d8b27e15e6edea5662c (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/37c2c83ca4f1ef4b6908181ac98e18360af89b42 (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)
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[](https://trackcve.app/cve/CVE-2022-48723)Record last updated .