CVE-2023-53173 tty: pcn_uart: fix memory leak with using debugfs_lookup()

🗓️ 15 Sep 2025 14:04:07Reported by GoogleType

osv

osv🔗 osv.dev👁 5 Views

Linux kernel tty pcn_uart fix memory leak by using debugfs_lookup_and_remove to avoid missing dput.

Reporter	Title	Published	Views	Family All 20
AstraLinux	Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15	19 Jun 202611:10	–	astralinux
Circl	CVE-2023-53173	3 Dec 202514:14	–	circl
CNNVD	Linux kernel 安全漏洞	15 Sep 202500:00	–	cnnvd
CVE	CVE-2023-53173	15 Sep 202514:04	–	cve
Cvelist	CVE-2023-53173 tty: pcn_uart: fix memory leak with using debugfs_lookup()	15 Sep 202514:04	–	cvelist
Debian CVE	CVE-2023-53173	15 Sep 202514:04	–	debiancve
EUVD	EUVD-2023-59803	3 Oct 202520:07	–	euvd
NVD	CVE-2023-53173	15 Sep 202514:15	–	nvd
OSV	BELL-CVE-2023-53173	16 Sep 202506:04	–	osv
OSV	DEBIAN-CVE-2023-53173	15 Sep 202514:15	–	osv

Source	Link
git	www.git.kernel.org/stable/c/04a189c720aa2b6091442113ce9b9bc93552dff8
git	www.git.kernel.org/stable/c/139769c4bd8273b5e3f85ea474aa37018fe7e436
git	www.git.kernel.org/stable/c/4459d1e7bd0421b3b6fcd745773d8823f71615ef
git	www.git.kernel.org/stable/c/cf042964c2fa72950bbbf25b2cdd732b873e89db
github	www.github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53173.json
nvd	www.nvd.nist.gov/vuln/detail/CVE-2023-53173
git	www.git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

02 Apr 2026 09:43Current

7.4High risk

Vulners AI Score7.4

CVSS 3.15.5

EPSS0.00145

linux kernel pcn uart memory leak debugfs lookup debugfs removal