Bug 2266748 (CVE-2020-36776) - CVE-2020-36776 kernel: thermal/drivers/cpufreq_cooling: Fix slab OOB issue
Summary: CVE-2020-36776 kernel: thermal/drivers/cpufreq_cooling: Fix slab OOB issue
Keywords:
Status: NEW
Alias: CVE-2020-36776
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2266749
Blocks: 2267043
TreeView+ depends on / blocked
 
Reported: 2024-02-28 21:35 UTC by Mauro Matteo Cascella
Modified: 2024-05-06 13:22 UTC (History)
50 users (show)

Fixed In Version: kernel 5.10.36, kernel 5.11.20, kernel 5.12.3, kernel 5.13
Doc Type: If docs needed, set a value
Doc Text:
A flaw was found in the Linux kernel. The cpu_power_to_freq function in the drivers/thermal/cpufreq_cooling.c file can trigger an out-of-bounds read vulnerability when the power value cannot be found in the EM table. This issue can result in a denial of service.
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Description Mauro Matteo Cascella 2024-02-28 21:35:25 UTC 
In the Linux kernel, the following vulnerability has been resolved:

thermal/drivers/cpufreq_cooling: Fix slab OOB issue

The Linux kernel CVE team has assigned CVE-2020-36776 to this issue.

Upstream advisory:
https://lore.kernel.org/linux-cve-announce/20240227184057.2368370-1-gregkh@linuxfoundation.org/T/#u
Comment 1 Mauro Matteo Cascella 2024-02-28 21:35:59 UTC 
Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 2266749]
Comment 5 Justin M. Forbes 2024-03-01 22:43:43 UTC 
This was fixed for Fedora with the 5.11.20 stable kernel updates.
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