PT-2024-11428 · Linux+8 · Linux Kernel+8

Kent Overstreet + 1 · Published 2021-02-12 · Updated 2026-05-26 · CVE-2021-47432

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 is related to integer overflows in the radix tree code, specifically in the peek() function in lib/generic-radix-tree.c. This occurred when new inode numbers were spread throughout most of the 64-bit inode space, triggering corner case bugs. The problem is associated with the handling of inode numbers in the Linux kernel.

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

DoS

Integer Overflow

Weakness Enumeration

CWE-190

Related Identifiers

ALSA-2024:7000

ALSA-2024:7001

AZL-59441

BDU:2025-14227

CESA-2024_7000

CESA-2024_7001

CVE-2021-47432

INFSA-2024_7000

INFSA-2024_7001

INFSA-2024_9315

OESA-2024-1894

OESA-2024-1896

OPENSUSE-SU-2024_2372-1

OPENSUSE-SU-2024_2394-1

RHSA-2024:7000

RHSA-2024:7001

RHSA-2024:9315

RHSA-2024_7000

RHSA-2024_7001

RHSA-2024_9315

RHSA-2025:2270

RLSA-2024:7001

SUSE-SU-2024:2372-1

SUSE-SU-2024:2394-1

SUSE-SU-2024:2571-1

SUSE-SU-2024:2896-1

SUSE-SU-2024:2939-1

SUSE-SU-2024:2973-1

SUSE-SU-2024_2571-1

SUSE-SU-2024_2896-1

SUSE-SU-2025:20008-1

SUSE-SU-2025:20028-1

Affected Products

Almalinux

Astra Linux

Centos

Debian

Linux Kernel

Red Hat

Red Os

Rocky Linux

Suse

References · 3042

• https://nvd.nist.gov/vuln/detail/CVE-2021-47432 · Security Note
• https://cve.org/CVERecord?id=CVE-2021-47432 · Security Note
• https://osv.dev/vulnerability/ALSA-2024:7001 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2024:2939-1 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2021-47432 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2024-41009 · Security Note
• https://linux.oracle.com/errata/ELSA-2024-9315.html · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-47432 · Vendor Advisory
• https://osv.dev/vulnerability/ALSA-2024:7000 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2024-40983 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2024-36939 · Security Note
• https://osv.dev/vulnerability/ROOT-OS-DEBIAN-11-CVE-2021-47432 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2024-40905 · Security Note
• https://errata.almalinux.org/8/ALSA-2024-7001.html · Vendor Advisory
• https://git.kernel.org/stable/c/784d01f9bbc282abb0c5ade5beb98a87f50343ac · Patch