CVE-2023-53840 usb: early: xhci-dbc: Fix a potential out-of-bound memory access

🗓️ 09 Dec 2025 01:29:56Reported by GoogleType

osv

osv🔗 osv.dev👁 2 Views

Fixed potential out-of-bounds memory access in usb early xhci-dbc by reserving a buffer byte.

Reporter	Title	Published	Views	Family All 314
Tenable Nessus	Amazon Linux 2023 : bpftool, kernel, kernel-devel (ALAS2023-2023-138)	23 Mar 202300:00	–	nessus
Tenable Nessus	Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.15-2023-015 (ALASKERNEL-5.15-2023-015)	22 Mar 202300:00	–	nessus
Tenable Nessus	EulerOS 2.0 SP13 : kernel (EulerOS-SA-2026-1244)	10 Mar 202600:00	–	nessus
Tenable Nessus	EulerOS 2.0 SP13 : kernel (EulerOS-SA-2026-1280)	10 Mar 202600:00	–	nessus
Tenable Nessus	EulerOS 2.0 SP12 : kernel (EulerOS-SA-2026-1366)	16 Mar 202600:00	–	nessus
Tenable Nessus	EulerOS 2.0 SP12 : kernel (EulerOS-SA-2026-1397)	16 Mar 202600:00	–	nessus
Tenable Nessus	EulerOS Virtualization 2.12.1 : kernel (EulerOS-SA-2026-1433)	17 Mar 202600:00	–	nessus
Tenable Nessus	EulerOS Virtualization 2.12.0 : kernel (EulerOS-SA-2026-1490)	17 Mar 202600:00	–	nessus
Tenable Nessus	EulerOS Virtualization 2.13.1 : kernel (EulerOS-SA-2026-2132)	6 Jun 202600:00	–	nessus
Tenable Nessus	EulerOS Virtualization 2.13.0 : kernel (EulerOS-SA-2026-2171)	6 Jun 202600:00	–	nessus

Source	Link
git	www.git.kernel.org/stable/c/351c8d8650d1ccc006255fa01f98b6c6496a02e5
git	www.git.kernel.org/stable/c/a4a97ab3db5c081eb6e7dba91306adefb461e0bd
git	www.git.kernel.org/stable/c/df7c8aba7309f4dc55df94e06b67f576c0f52406
git	www.git.kernel.org/stable/c/e8fb0f13e45cf361fd06593d3cb2d89915cd3bd0
github	www.github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53840.json
nvd	www.nvd.nist.gov/vuln/detail/CVE-2023-53840
git	www.git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

02 Apr 2026 09:45Current

6.3Medium risk

Vulners AI Score6.3

EPSS0.00206

out of bounds memory access buffer byte universal serial bus memory safety