Bug 2158373 (CVE-2022-47518) - CVE-2022-47518 kernel: a heap-based buffer overflow in drivers/net/wireless/microchip/wilc1000/cfg80211.c
Summary: CVE-2022-47518 kernel: a heap-based buffer overflow in drivers/net/wireless/m...
Keywords:
Status: CLOSED NOTABUG
Alias: CVE-2022-47518
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks: 2158374
TreeView+ depends on / blocked
 
Reported: 2023-01-05 09:01 UTC by Marian Rehak
Modified: 2023-08-06 10:38 UTC (History)
39 users (show)

Fixed In Version: kernel 6.0.11
Doc Type: If docs needed, set a value
Doc Text:
A heap-based buffer overflow flaw was found in the Linux kernel’s Atmel WILC1000 802.11 SoC driver. This flaw allows a local user to crash or potentially escalate their privileges on the system.
Clone Of:
Environment:
Last Closed: 2023-01-08 12:34:47 UTC
Embargoed:

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Description Marian Rehak 2023-01-05 09:01:02 UTC 
Missing validation of the number of channels in drivers/net/wireless/microchip/wilc1000/cfg80211.c in the WILC1000 wireless driver can trigger a heap-based buffer overflow when copying the list of operating channels from Wi-Fi management frames.

Reference:

https://github.com/torvalds/linux/commit/0cdfa9e6f0915e3d243e2393bfa8a22e12d553b0
Comment 1 Product Security DevOps Team 2023-01-08 12:34:44 UTC 
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):

https://access.redhat.com/security/cve/cve-2022-47518
Comment 2 Jan Pazdziora 2023-07-29 07:44:21 UTC 
Hello,

could we have a brief summary here and in the CVE page https://access.redhat.com/security/cve/CVE-2022-47518 why all RHEL versions are considered Not affected?

Thank you, Jan
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