CVE-2022-50179

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Source
https://nvd.nist.gov/vuln/detail/CVE-2022-50179
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-50179.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2022-50179
Related
Published
2025-06-18T11:15:48Z
Modified
2025-06-18T16:48:59.184083Z
Downstream
Summary
[none]
Details

In the Linux kernel, the following vulnerability has been resolved:

ath9k: fix use-after-free in ath9khifusbrxcb

Syzbot reported use-after-free Read in ath9khifusbrxcb() [0]. The problem was in incorrect htchandle->drvpriv initialization.

Probable call trace which can trigger use-after-free:

ath9khtcprobedevice() /* htchandle->drvpriv = priv; */ ath9khtcwaitfortarget() <--- Failed ieee80211free_hw() <--- priv pointer is freed

<IRQ> ... ath9khifusbrxcb() ath9khifusbrxstream() RXSTATINC() <--- htchandle->drvpriv access

In order to not add fancy protection for drvpriv we can move htchandle->drvpriv initialization at the end of the ath9khtcprobedevice() and add helper macro to make all _STAT_ macros NULL safe, since syzbot has reported related NULL deref in that macros [1]

References

Affected packages

Debian:11 / linux

Package

Name
linux
Purl
pkg:deb/debian/linux?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
5.10.140-1

Affected versions

5.*

5.10.46-4
5.10.46-5
5.10.70-1~bpo10+1
5.10.70-1
5.10.84-1
5.10.92-1~bpo10+1
5.10.92-1
5.10.92-2
5.10.103-1~bpo10+1
5.10.103-1
5.10.106-1
5.10.113-1
5.10.120-1~bpo10+1
5.10.120-1
5.10.127-1
5.10.127-2~bpo10+1
5.10.127-2
5.10.136-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:12 / linux

Package

Name
linux
Purl
pkg:deb/debian/linux?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
6.0.2-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:13 / linux

Package

Name
linux
Purl
pkg:deb/debian/linux?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
6.0.2-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}