PT-2024-11224 · Linux+2 · Linux Kernel+2

Lu Baolu + 1 · Published 2021-05-27 · Updated 2025-03-17 · CVE-2021-47177

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)

Description A sysfs leak in the alloc iommu() function has been resolved. The iommu device sysfs add() function is called before, and it has to be cleaned on subsequent errors.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Memory Leak

Weakness Enumeration

CWE-460

CWE-401

Related Identifiers

BDU:2025-13713

CVE-2021-47177

OPENSUSE-SU-2024_1489-1

SUSE-SU-2024:1454-1

SUSE-SU-2024:1465-1

SUSE-SU-2024:1489-1

SUSE-SU-2024:1643-1

SUSE-SU-2024:1646-1

SUSE-SU-2024:1870-1

Affected Products

Astra Linux

Linux Kernel

Suse

References · 617

• https://osv.dev/vulnerability/SUSE-SU-2024:1646-1 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2021-47177 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2021-47177 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2024:1454-1 · Vendor Advisory
• https://git.kernel.org/stable/c/0ee74d5a48635c848c20f152d0d488bf84641304 · Patch
• https://osv.dev/vulnerability/SUSE-SU-2024:1489-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2024:1643-1 · Vendor Advisory
• https://git.kernel.org/stable/c/f01134321d04f47c718bb41b799bcdeda27873d2 · Patch
• https://git.kernel.org/stable/c/2ec5e9bb6b0560c90d315559c28a99723c80b996 · Patch
• https://osv.dev/vulnerability/CVE-2021-47177 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-47177 · Security Note
• https://cve.org/CVERecord?id=CVE-2021-47177 · Security Note
• https://ubuntu.com/security/CVE-2021-47177 · Vendor Advisory
• https://git.kernel.org/stable/c/22da9f4978381a99f1abaeaf6c9b83be6ab5ddd8 · Patch
• https://bdu.fstec.ru/vul/2025-13713 · Security Note