CVE-2021-47051
N/A
N/A
Summary
In the Linux kernel, the following vulnerability has been resolved:
spi: fsl-lpspi: Fix PM reference leak in lpspi_prepare_xfer_hardware()
pm_runtime_get_sync will increment pm usage counter even it failed. Forgetting to putting operation will result in reference leak here. Fix it by replacing it with pm_runtime_resume_and_get to keep usage counter balanced.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | 944c01a889d97dc08e1b71f4ed868f4023fd6034 < 4a01ad002d2e03c399af536562693752af7c81b1 | affected |
| Linux | Linux | 944c01a889d97dc08e1b71f4ed868f4023fd6034 < ce02e58ddf8658a4c3bed2296f32a5873b3f7cce | affected |
| Linux | Linux | 944c01a889d97dc08e1b71f4ed868f4023fd6034 < b8207bfc539cd07d15e753ff2d179c5b61c673b1 | affected |
| Linux | Linux | 944c01a889d97dc08e1b71f4ed868f4023fd6034 < 6a2b5cee0d31ab6cc51030c441135b0e31217282 | affected |
| Linux | Linux | 944c01a889d97dc08e1b71f4ed868f4023fd6034 < a03675497970a93fcf25d81d9d92a59c2d7377a7 | affected |
| Linux | Linux | 5.2 | affected |
| Linux | Linux | 0 < 5.2 | unaffected |
| Linux | Linux | 5.4.119 <= 5.4.* | unaffected |
| Linux | Linux | 5.10.37 <= 5.10.* | unaffected |
| Linux | Linux | 5.11.21 <= 5.11.* | unaffected |
| Linux | Linux | 5.12.4 <= 5.12.* | unaffected |
| Linux | Linux | 5.13 <= * | unaffected |
Weaknesses
ADP Enrichment
CVE Program Container
Additional References
- https://git.kernel.org/stable/c/4a01ad002d2e03c399af536562693752af7c81b1
- https://git.kernel.org/stable/c/ce02e58ddf8658a4c3bed2296f32a5873b3f7cce
- https://git.kernel.org/stable/c/b8207bfc539cd07d15e753ff2d179c5b61c673b1
- https://git.kernel.org/stable/c/6a2b5cee0d31ab6cc51030c441135b0e31217282
- https://git.kernel.org/stable/c/a03675497970a93fcf25d81d9d92a59c2d7377a7
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: partial
References
- https://git.kernel.org/stable/c/4a01ad002d2e03c399af536562693752af7c81b1
- https://git.kernel.org/stable/c/ce02e58ddf8658a4c3bed2296f32a5873b3f7cce
- https://git.kernel.org/stable/c/b8207bfc539cd07d15e753ff2d179c5b61c673b1
- https://git.kernel.org/stable/c/6a2b5cee0d31ab6cc51030c441135b0e31217282
- https://git.kernel.org/stable/c/a03675497970a93fcf25d81d9d92a59c2d7377a7
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