UBUNTU-CVE-2021-47325

🗓️ 21 May 2024 15:15:00Reported by GoogleType

osv🔗 osv.dev👁 2 Views

Linux kernel arm SMMU refcount leak fixed in iova to phys error paths by jumping to out to release smmu reference.

Reporter	Title	Published	Views	Family All 20
Tenable Nessus	Amazon Linux 2 : kernel (ALASKERNEL-5.10-2022-004)	2 May 202200:00	–	nessus
Tenable Nessus	Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.4-2022-006 (ALASKERNEL-5.4-2022-006)	2 May 202200:00	–	nessus
Tenable Nessus	Unity Linux 20.1070e Security Update: kernel (UTSA-2025-986647)	7 Oct 202500:00	–	nessus
Tenable Nessus	Unity Linux 20.1070a Security Update: kernel (UTSA-2025-989122)	5 Nov 202500:00	–	nessus
Tenable Nessus	Linux Distros Unpatched Vulnerability : CVE-2021-47325	5 Mar 202500:00	–	nessus
Amazon	Important: kernel	28 Jan 202200:00	–	amazon
Amazon	Important: kernel	28 Jan 202200:00	–	amazon
AstraLinux	Astra Linux – Vulnerability in Linux, Linux 5.10	20 May 202605:53	–	astralinux
BDU FSTEC	Vulnerability of the arm_smmu_iova_to_phys_hard() function in the driver/iommu/arm-smmu.c file – This is a Linux kernel IOMMU support driver that allows attackers to compromise the confidentiality and accessibility of protected information.	23 Jun 202500:00	–	bdu_fstec
CNNVD	Linux kernel 安全漏洞	21 May 202400:00	–	cnnvd

Source	Link
ubuntu	www.ubuntu.com/security/CVE-2021-47325
cve	www.cve.org/CVERecord
git	www.git.kernel.org/linus/7c8f176d6a3fa18aa0f8875da6f7c672ed2a8554
git	www.git.kernel.org/stable/c/b11220803ad14a2a880cc06d8e01fe2548cc85b0
git	www.git.kernel.org/stable/c/43d1aaa1965f9b58035196dac49b1e1e6c9c25eb
git	www.git.kernel.org/stable/c/0f0c5ea09139777d90729d408b807021f2ea6492
git	www.git.kernel.org/stable/c/5f9741a9a91f25c89e04b408cd61e3ab050ce24b
git	www.git.kernel.org/stable/c/7c8f176d6a3fa18aa0f8875da6f7c672ed2a8554

04 Jul 2026 19:20Current

5.7Medium risk

Vulners AI Score5.7

CVSS 3.15.5

EPSS0.00246