CVE-2023-1380 Denial of service in Kernel

What is CVE-2023-1380?

CVE-2023-1380 is a high-severity denial of service vulnerability in Canonical Ubuntu Linux, published on 27 Mar 2023. It can only be exploited from the same machine or local network, with no action from the victim.

Official 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.

Weakness: CWE-125

Which versions are affected by CVE-2023-1380?

It affects 9 products.

Products include Canonical Ubuntu Linux, Debian Debian Linux, Linux kernel, Netapp H300s Firmware, Netapp H410c Firmware, Netapp H410s Firmware and 3 more.

How do I fix CVE-2023-1380?

Apply the vendor's patch.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2023-1380 being exploited?

There is no known exploitation of CVE-2023-1380 in the wild and no public exploit code.

Other vulnerabilities in Canonical Ubuntu Linux

• CVE-2020-11651 SaltStack Salt Authentication Bypass Exploited Critical 9.8
• CVE-2020-7247 OpenSMTPD Remote Code Execution Exploited Critical 9.8
• CVE-2019-16928 Exim Out-of-bounds Write Exploited Critical 9.8
• CVE-2018-6789 Exim Buffer Overflow Exploited Critical 9.8
• CVE-2015-2590 Oracle Java SE and Java SE Embedded Remote Code Execution Exploited Critical 9.8

All Canonical Ubuntu Linux vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2023-1380, GHSA-r255-vm29-9xg5, UBUNTU-CVE-2023-1380.