CVE-2024-47686: ep93xx: clock: Fix off by one in ep93xx_div_recalc_rate()
First published: Mon Oct 21 2024(Updated: )
In the Linux kernel, the following vulnerability has been resolved: ep93xx: clock: Fix off by one in ep93xx_div_recalc_rate() The psc->div[] array has psc->num_div elements. These values come from when we call clk_hw_register_div(). It's adc_divisors and ARRAY_SIZE(adc_divisors)) and so on. So this condition needs to be >= instead of > to prevent an out of bounds read.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Kernel | >=5.16<6.1.113 | |
| Linux Kernel | >=6.2<6.6.54 | |
| Linux Kernel | >=6.7<6.10.13 | |
| Linux Kernel | >=6.11<6.11.2 |
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Reference Links
- https://git.kernel.org/stable/c/7a5bd2fb92388c51d267f6ce57c40f1cca8af1e0
- https://git.kernel.org/stable/c/66e78ade976dbd9bea09166aa8d66afc0963cde4
- https://git.kernel.org/stable/c/27f493e141823db052586010c1532b70b164507c
- https://git.kernel.org/stable/c/ae59eaf36a1ad396e9f657ec9b8b52da6206ed5f
- https://git.kernel.org/stable/c/c7f06284a6427475e3df742215535ec3f6cd9662
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-47686
- https://nvd.nist.gov/vuln/detail/CVE-2024-47686
- https://launchpad.net/bugs/cve/CVE-2024-47686
- https://security-tracker.debian.org/tracker/CVE-2024-47686
- https://ubuntu.com/security/CVE-2024-47686
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