CVE-2023-1380
Kernel: a USB-accessible slab-out-of-bounds read in brcmfmac
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · March 27, 2023
Updated · September 23, 2026
Description
A slab-out-of-bound read problem was found in brcmf_get_assoc_ies in drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c in the Linux Kernel. This issue could occur when assoc_info->req_len data is bigger than the size of the buffer, defined as WL_EXTRA_BUF_MAX, leading to a denial of service.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
This flaw can be mitigated by preventing the affected brcmfmac kernel module from loading during the boot time, ensure the module is added into the blacklist file.
Refer:
How do I blacklist a kernel module to prevent it from loading automatically?
https://access.redhat.com/solutions/41278
CVSS / CWE
CVSS 3.1 · 7.1CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
CWE-125 · Out-of-bounds Read