CVE-2023-1380

Enterprise Linux vulnerability

CVSS

7.1

EPSS

16.6%

EPSS pct

97th

Exploited

No known

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.

Affected vendor

Redhat

Affected product

Enterprise Linux

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

Weakness type (CWE)

CWE-125 — Out-of-bounds Read

Published

2023-03-27

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable with local access, low attack complexity, requiring low privileges, no user interaction. Successful exploitation leads to high impact to confidentiality, high impact to availability.

Its EPSS score of 16.6% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 97% of all scored CVEs.

Check your external exposure to CVE-2023-1380

Confirm whether Redhat Enterprise Linux is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2023-1380.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2023-1380

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