Bug 2320277 (CVE-2024-47714) - CVE-2024-47714 kernel: wifi: mt76: mt7996: use hweight16 to get correct tx antenna
Summary: CVE-2024-47714 kernel: wifi: mt76: mt7996: use hweight16 to get correct tx an...
Keywords:
Status: NEW
Alias: CVE-2024-47714
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On: 2320333
Blocks:
TreeView+ depends on / blocked
 
Reported: 2024-10-21 13:07 UTC by OSIDB Bzimport
Modified: 2024-10-21 20:34 UTC (History)
4 users (show)

Fixed In Version:
Clone Of:
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Last Closed:
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Description OSIDB Bzimport 2024-10-21 13:07:42 UTC 
In the Linux kernel, the following vulnerability has been resolved:

wifi: mt76: mt7996: use hweight16 to get correct tx antenna

The chainmask is u16 so using hweight8 cannot get correct tx_ant.
Without this patch, the tx_ant of band 2 would be -1 and lead to the
following issue:
BUG: KASAN: stack-out-of-bounds in mt7996_mcu_add_sta+0x12e0/0x16e0 [mt7996e]
Comment 1 Robb Gatica 2024-10-21 14:55:55 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2024102119-CVE-2024-47714-f88b@gregkh/T
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