Bug 2158381 (CVE-2022-47520) - CVE-2022-47520 kernel: an out-of-bounds read in drivers/net/wireless/microchip/wilc1000/hif.c
Summary: CVE-2022-47520 kernel: an out-of-bounds read in drivers/net/wireless/microchi...
Keywords:
Status: CLOSED NOTABUG
Alias: CVE-2022-47520
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:
Blocks: 2158398
TreeView+ depends on / blocked
 
Reported: 2023-01-05 09:16 UTC by Marian Rehak
Modified: 2023-08-06 10:50 UTC (History)
39 users (show)

Fixed In Version: kernel 6.0.11
Doc Type: If docs needed, set a value
Doc Text:
An out-of-bounds read flaw was found in the Linux kernel’s Atmel WILC1000 802.11 SoC driver. This flaw allows a local to crash or potentially escalate their privileges on the system.
Clone Of:
Environment:
Last Closed: 2023-01-08 09:24:45 UTC
Embargoed:

Attachments (Terms of Use)

Description Marian Rehak 2023-01-05 09:16:36 UTC 
Missing offset validation in drivers/net/wireless/microchip/wilc1000/hif.c in the WILC1000 wireless driver can trigger an out-of-bounds read when parsing a Robust Security Network (RSN) information element from a Netlink packet.

Reference:

https://github.com/torvalds/linux/commit/cd21d99e595ec1d8721e1058dcdd4f1f7de1d793
Comment 1 Jan Pazdziora 2023-07-29 07:47:04 UTC 
Hello,

could we have a brief summary here and in the CVE page https://access.redhat.com/security/cve/CVE-2022-47520 why all RHEL versions are considered Not affected?

Thank you, Jan
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