PT-2025-7971 · Linux+1 · Linux Kernel+1

Christophe Jaillet · Published 2025-02-26 · Updated 2025-04-11 · CVE-2021-47660

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 memory leak issue has been identified in the Linux kernel, specifically in the fs/ntfs3 module. The problem occurs in the error handling path of the log replay() function, where resources such as log, ra, and log->one page buf are not properly freed, leading to memory leaks. This issue is resolved by ensuring that all error handling paths free the necessary resources before returning.

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

Memory Leak

Weakness Enumeration

CWE-401

Related Identifiers

CVE-2021-47660

OESA-2025-1409

OESA-2025-1410

Affected Products

Astra Linux

Linux Kernel

References · 39

• https://nvd.nist.gov/vuln/detail/CVE-2022-49553 · Security Note
• https://git.kernel.org/stable/c/e589f9b7078e1c0191613cd736f598e81d2390de · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2022-49513 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2025-21881 · Security Note
• https://osv.dev/vulnerability/CVE-2021-47660 · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-47660 · Vendor Advisory
• https://git.kernel.org/stable/c/2c97519ed6b4239594c58ddacf3d0d576cf070cc · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2025-21722 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2025-21863 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2021-47660 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2024-57951 · Security Note
• https://osv.dev/vulnerability/OESA-2025-1410 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-21791 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2025-21718 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2025-21726 · Security Note