CVE-2023-52645: pmdomain: mediatek: fix race conditions with genpd
First published: Wed Apr 17 2024(Updated: )
In the Linux kernel, the following vulnerability has been resolved: pmdomain: mediatek: fix race conditions with genpd If the power domains are registered first with genpd and *after that* the driver attempts to power them on in the probe sequence, then it is possible that a race condition occurs if genpd tries to power them on in the same time. The same is valid for powering them off before unregistering them from genpd. Attempt to fix race conditions by first removing the domains from genpd and *after that* powering down domains. Also first power up the domains and *after that* register them to genpd.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Linux kernel | >=5.11<5.15.150 | |
| Linux Linux kernel | >=5.16<6.1.80 | |
| Linux Linux kernel | >=6.2<6.6.18 | |
| Linux Linux kernel | >=6.7<6.7.6 | |
| debian/linux | 5.10.223-1 5.10.226-1 6.1.115-1 6.1.119-1 6.12.5-1 6.12.6-1 |
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Reference Links
- https://git.kernel.org/stable/c/339ddc983bc1622341d95f244c361cda3da3a4ff
- https://git.kernel.org/stable/c/3cd1d92ee1dbf3e8f988767eb75f26207397792b
- https://git.kernel.org/stable/c/475426ad1ae0bfdfd8f160ed9750903799392438
- https://git.kernel.org/stable/c/c41336f4d69057cbf88fed47951379b384540df5
- https://git.kernel.org/stable/c/f83b9abee9faa4868a6fac4669b86f4c215dae25
- https://launchpad.net/bugs/cve/CVE-2023-52645
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-52645
- https://nvd.nist.gov/vuln/detail/CVE-2023-52645
- https://security-tracker.debian.org/tracker/CVE-2023-52645
- https://ubuntu.com/security/CVE-2023-52645
- https://git.kernel.org/linus/c41336f4d69057cbf88fed47951379b384540df5
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