PT-2024-11394 · Linux+2 · Linux Kernel+2

Published 2021-09-22 · Updated 2024-06-25 · CVE-2021-47398

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 The issue concerns a kernel pointer leak in the RDMA/hfi1 component of the Linux kernel. Pointers should be printed with %p or %px rather than cast to 'unsigned long long' and printed with %llx. To address this, the format specifier should be changed from %llx to %p to print the secured pointer.

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

BDU:2025-14379

CVE-2021-47398

OPENSUSE-SU-2024_2189-1

SUSE-SU-2024:2008-1

SUSE-SU-2024:2011-1

SUSE-SU-2024:2019-1

SUSE-SU-2024:2189-1

SUSE-SU-2024:2190-1

Affected Products

Astra Linux

Linux Kernel

Suse

References · 1244

• https://osv.dev/vulnerability/SUSE-SU-2024:2019-1 · Vendor Advisory
• https://git.kernel.org/stable/c/714bfabe5f2901d96902e271d7217601fe4703e5 · Patch
• https://osv.dev/vulnerability/SUSE-SU-2024:2190-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-47398 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2021-47398 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2021-47398 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2024:2008-1 · Vendor Advisory
• https://git.kernel.org/stable/c/7d5cfafe8b4006a75b55c2f1fdfdb363f9a5cc98 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2021-47398 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2021-47398 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-47398 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2024:2189-1 · Vendor Advisory
• https://bdu.fstec.ru/vul/2025-14379 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2024:2011-1 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2021-47398 · Vendor Advisory