Bug 2010852 (CVE-2020-3702) - CVE-2020-3702 kernel: ath9k: information disclosure via specifically timed and handcrafted traffic
Summary: CVE-2020-3702 kernel: ath9k: information disclosure via specifically timed an...
Keywords:
Status: NEW
Alias: CVE-2020-3702
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Nobody
QA Contact:
URL:
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Depends On: 2010859 2012649 2012650
Blocks: 2010456
TreeView+ depends on / blocked
 
Reported: 2021-10-05 14:02 UTC by Guilherme de Almeida Suckevicz
Modified: 2023-09-19 14:13 UTC (History)
40 users (show)

Fixed In Version: kernel v5.6
Doc Type: If docs needed, set a value
Doc Text:
A flaw was found in the Linux kernel's implementation of wireless drivers using the Atheros chipsets. An attacker within wireless range could send crafted traffic leading to information disclosure.
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Description Guilherme de Almeida Suckevicz 2021-10-05 14:02:51 UTC 
'Specifically timed and handcrafted traffic can cause internal errors in a WLAN device that lead to improper layer 2 Wi-Fi encryption with a consequent possibility of information disclosure over the air for a discrete set of traffic' in certain Atherons based chipsets.  THis could allow an attacker to infer previous keys


References:
https://www.qualcomm.com/company/product-security/bulletins/august-2020-bulletin
https://www.arista.com/en/support/advisories-notices/security-advisories/11998-security-advisory-58
https://lore.kernel.org/linux-wireless/CABvG-CVvPF++0vuGzCrBj8+s=Bcx1GwWfiW1_Somu_GVncTAcQ@mail.gmail.com/
https://lore.kernel.org/stable/20210818084859.vcs4vs3yd6zetmyt@pali/t/#mf8b430d4f19f1b939a29b6c5098fdc514fd1a928
Comment 1 Guilherme de Almeida Suckevicz 2021-10-05 14:04:10 UTC 
Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 2010859]
Comment 2 Justin M. Forbes 2021-10-06 16:48:06 UTC 
This was fixed for Fedora with the 5.12.x kernel rebases.
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