Bug 2064232 (CVE-2022-26490) - CVE-2022-26490 kernel: potential buffer overflows in EVT_TRANSACTION in st21nfca
Summary: CVE-2022-26490 kernel: potential buffer overflows in EVT_TRANSACTION in st21nfca
Keywords:
Status: CLOSED NOTABUG
Alias: CVE-2022-26490
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: 2064233
Blocks: 2064234
TreeView+ depends on / blocked
 
Reported: 2022-03-15 11:29 UTC by Marian Rehak
Modified: 2022-03-21 14:12 UTC (History)
49 users (show)

Fixed In Version:
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Doc Text:
A buffer overflow flaw was found in the Linux kernel’s NFC protocol functionality. This flaw allows a local user to crash or escalate their privileges on the system.
Clone Of:
Environment:
Last Closed: 2022-03-15 21:01:43 UTC
Embargoed:

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Description Marian Rehak 2022-03-15 11:29:40 UTC 
st21nfca_connectivity_event_received in drivers/nfc/st21nfca/se.c in the Linux kernel through 5.16.12 has EVT_TRANSACTION buffer overflows because of untrusted length parameters.

Reference:

https://github.com/torvalds/linux/commit/4fbcc1a4cb20fe26ad0225679c536c80f1648221
Comment 1 Marian Rehak 2022-03-15 11:30:09 UTC 
Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 2064233]
Comment 3 Product Security DevOps Team 2022-03-15 21:01:39 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-2022-26490
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