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The brcm80211 component in the Linux kernel through 6.5...

Moderate severity Unreviewed Published Nov 3, 2023 to the GitHub Advisory Database • Updated Jun 27, 2024

Package

No package listed— Suggest a package

Affected versions

Unknown

Patched versions

Unknown

Description

The brcm80211 component in the Linux kernel through 6.5.10 has a brcmf_cfg80211_detach use-after-free in the device unplugging (disconnect the USB by hotplug) code. For physically proximate attackers with local access, this "could be exploited in a real world scenario." This is related to brcmf_cfg80211_escan_timeout_worker in drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c.

References

Published by the National Vulnerability Database Nov 3, 2023
Published to the GitHub Advisory Database Nov 3, 2023
Last updated Jun 27, 2024

Severity

Moderate
4.3
/ 10

CVSS base metrics

Attack vector
Physical
Attack complexity
Low
Privileges required
Low
User interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weaknesses

CVE ID

CVE-2023-47233

GHSA ID

GHSA-mwhp-8ffr-hvvg

Source code

No known source code

Dependabot alerts are not supported on this advisory because it does not have a package from a supported ecosystem with an affected and fixed version.

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