Bug 2239712 (CVE-2020-36766) - CVE-2020-36766 kernel: memory leak in drivers/media/cec/core/cec-api.c
Summary: CVE-2020-36766 kernel: memory leak in drivers/media/cec/core/cec-api.c
Keywords:
Status: NEW
Alias: CVE-2020-36766
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
: 2239820 (view as bug list)
Depends On: 2239715
Blocks: 2239714
TreeView+ depends on / blocked
 
Reported: 2023-09-19 19:01 UTC by Zack Miele
Modified: 2024-10-12 08:28 UTC (History)
48 users (show)

Fixed In Version: kernel 5.8.6
Clone Of:
Environment:
Last Closed:
Embargoed:

Attachments (Terms of Use)

Description Zack Miele 2023-09-19 19:01:45 UTC 
An issue was discovered in the Linux kernel before 5.8.6. drivers/media/cec/core/cec-api.c leaks one byte of kernel memory on specific hardware to unprivileged users, because of directly assigning log_addrs with a hole in the struct.

https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.8.6
https://github.com/torvalds/linux/commit/6c42227c3467549ddc65efe99c869021d2f4a570
Comment 5 Rohit Keshri 2023-09-25 12:21:05 UTC 
*** Bug 2239820 has been marked as a duplicate of this bug. ***
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