Bug 2134517 (CVE-2022-42722) - CVE-2022-42722 Kernel: Denial of service in beacon protection for P2P-device
Summary: CVE-2022-42722 Kernel: Denial of service in beacon protection for P2P-device
Keywords:
Status: NEW
Alias: CVE-2022-42722
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2134580 2134581 2134582 2134583 2134579
Blocks: 2133534
TreeView+ depends on / blocked
 
Reported: 2022-10-13 14:14 UTC by Rohit Keshri
Modified: 2022-12-31 23:36 UTC (History)
54 users (show)

Fixed In Version:
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Doc Text:
A flaw was found in P2P-Device in wifi in ieee80211_rx_h_decrypt in net/mac80211/rx.c in the Linux kernel, leading to a denial of service.
Clone Of:
Environment:
Last Closed:


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Description Rohit Keshri 2022-10-13 14:14:19 UTC
If beacon protection is active but the beacon cannot be decrypted or is otherwise malformed, we call the cfg80211 API to report this to userspace, but that uses a netdev pointer, which isn't present for P2P-Device.

Comment 2 Rohit Keshri 2022-10-13 16:54:47 UTC
Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 2134579]

Comment 7 mcleanross9378242@gmail.com 2022-11-02 22:47:48 UTC
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