Unrated severityNVD Advisory· Published May 21, 2024· Updated Dec 18, 2025

lib/generic-radix-tree.c: Don't overflow in peek()

CVE-2021-47432

Description

In the Linux kernel, the following vulnerability has been resolved:

When we started spreading new inode numbers throughout most of the 64 bit inode space, that triggered some corner case bugs, in particular some integer overflows related to the radix tree code. Oops.

Affected products

133

Linux/Kernelllm-fuzzy2 versions
(expand)+ 1 more
- (no CPE)
- (no CPE)range: 5.1
osv-coords131 versions
pkg:rpm/almalinux/bpftool pkg:rpm/almalinux/kernel pkg:rpm/almalinux/kernel-abi-stablelists pkg:rpm/almalinux/kernel-core pkg:rpm/almalinux/kernel-cross-headers pkg:rpm/almalinux/kernel-debug pkg:rpm/almalinux/kernel-debug-core pkg:rpm/almalinux/kernel-debug-devel pkg:rpm/almalinux/kernel-debug-modules pkg:rpm/almalinux/kernel-debug-modules-extra pkg:rpm/almalinux/kernel-devel pkg:rpm/almalinux/kernel-doc pkg:rpm/almalinux/kernel-headers pkg:rpm/almalinux/kernel-modules pkg:rpm/almalinux/kernel-modules-extra pkg:rpm/almalinux/kernel-rt pkg:rpm/almalinux/kernel-rt-core pkg:rpm/almalinux/kernel-rt-debug pkg:rpm/almalinux/kernel-rt-debug-core pkg:rpm/almalinux/kernel-rt-debug-devel pkg:rpm/almalinux/kernel-rt-debug-kvm pkg:rpm/almalinux/kernel-rt-debug-modules pkg:rpm/almalinux/kernel-rt-debug-modules-extra pkg:rpm/almalinux/kernel-rt-devel pkg:rpm/almalinux/kernel-rt-kvm pkg:rpm/almalinux/kernel-rt-modules pkg:rpm/almalinux/kernel-rt-modules-extra pkg:rpm/almalinux/kernel-tools pkg:rpm/almalinux/kernel-tools-libs pkg:rpm/almalinux/kernel-tools-libs-devel pkg:rpm/almalinux/kernel-zfcpdump pkg:rpm/almalinux/kernel-zfcpdump-core pkg:rpm/almalinux/kernel-zfcpdump-devel pkg:rpm/almalinux/kernel-zfcpdump-modules pkg:rpm/almalinux/kernel-zfcpdump-modules-extra pkg:rpm/almalinux/perf pkg:rpm/almalinux/python3-perf pkg:rpm/opensuse/dtb-aarch64&distro=openSUSE%20Leap%2015.5 pkg:rpm/opensuse/dtb-aarch64&distro=openSUSE%20Leap%2015.6 pkg:rpm/opensuse/kernel-64kb&distro=openSUSE%20Leap%2015.5 pkg:rpm/opensuse/kernel-64kb&distro=openSUSE%20Leap%2015.6 pkg:rpm/opensuse/kernel-azure&distro=openSUSE%20Leap%2015.5 pkg:rpm/opensuse/kernel-azure&distro=openSUSE%20Leap%2015.6 pkg:rpm/opensuse/kernel-debug&distro=openSUSE%20Leap%2015.5 pkg:rpm/opensuse/kernel-debug&distro=openSUSE%20Leap%2015.6 pkg:rpm/opensuse/kernel-default-base&distro=openSUSE%20Leap%2015.5 pkg:rpm/opensuse/kernel-default-base&distro=openSUSE%20Leap%2015.6 pkg:rpm/opensuse/kernel-default-base&distro=openSUSE%20Leap%20Micro%205.5 pkg:rpm/opensuse/kernel-default&distro=openSUSE%20Leap%2015.5 pkg:rpm/opensuse/kernel-default&distro=openSUSE%20Leap%2015.6 pkg:rpm/opensuse/kernel-default&distro=openSUSE%20Leap%20Micro%205.5 pkg:rpm/opensuse/kernel-docs&distro=openSUSE%20Leap%2015.5 pkg:rpm/opensuse/kernel-docs&distro=openSUSE%20Leap%2015.6 pkg:rpm/opensuse/kernel-kvmsmall&distro=openSUSE%20Leap%2015.5 pkg:rpm/opensuse/kernel-kvmsmall&distro=openSUSE%20Leap%2015.6 pkg:rpm/opensuse/kernel-obs-build&distro=openSUSE%20Leap%2015.5 pkg:rpm/opensuse/kernel-obs-build&distro=openSUSE%20Leap%2015.6 pkg:rpm/opensuse/kernel-obs-qa&distro=openSUSE%20Leap%2015.5 pkg:rpm/opensuse/kernel-obs-qa&distro=openSUSE%20Leap%2015.6 pkg:rpm/opensuse/kernel-rt_debug&distro=openSUSE%20Leap%2015.5 pkg:rpm/opensuse/kernel-rt_debug&distro=openSUSE%20Leap%2015.6 pkg:rpm/opensuse/kernel-rt&distro=openSUSE%20Leap%2015.5 pkg:rpm/opensuse/kernel-rt&distro=openSUSE%20Leap%2015.6 pkg:rpm/opensuse/kernel-source-azure&distro=openSUSE%20Leap%2015.5 pkg:rpm/opensuse/kernel-source-azure&distro=openSUSE%20Leap%2015.6 pkg:rpm/opensuse/kernel-source&distro=openSUSE%20Leap%2015.5 pkg:rpm/opensuse/kernel-source&distro=openSUSE%20Leap%2015.6 pkg:rpm/opensuse/kernel-source-rt&distro=openSUSE%20Leap%2015.5 pkg:rpm/opensuse/kernel-source-rt&distro=openSUSE%20Leap%2015.6 pkg:rpm/opensuse/kernel-syms-azure&distro=openSUSE%20Leap%2015.5 pkg:rpm/opensuse/kernel-syms-azure&distro=openSUSE%20Leap%2015.6 pkg:rpm/opensuse/kernel-syms&distro=openSUSE%20Leap%2015.5 pkg:rpm/opensuse/kernel-syms&distro=openSUSE%20Leap%2015.6 pkg:rpm/opensuse/kernel-syms-rt&distro=openSUSE%20Leap%2015.5 pkg:rpm/opensuse/kernel-syms-rt&distro=openSUSE%20Leap%2015.6 pkg:rpm/opensuse/kernel-zfcpdump&distro=openSUSE%20Leap%2015.5 pkg:rpm/opensuse/kernel-zfcpdump&distro=openSUSE%20Leap%2015.6 pkg:rpm/suse/kernel-64kb&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP5 pkg:rpm/suse/kernel-64kb&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP6 pkg:rpm/suse/kernel-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP5 pkg:rpm/suse/kernel-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP6 pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20Micro%205.5 pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP5 pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP6 pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Micro%206.0 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2015%20SP5 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2015%20SP6 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP5 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP6 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Micro%205.5 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP5 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP6 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Legacy%2015%20SP5 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Legacy%2015%20SP6 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP5 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP6 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Micro%206.0 pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP5 pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP6 pkg:rpm/suse/kernel-kvmsmall&distro=SUSE%20Linux%20Micro%206.0 pkg:rpm/suse/kernel-livepatch-SLE15-SP5-RT_Update_17&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP5 pkg:rpm/suse/kernel-livepatch-SLE15-SP5_Update_17&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP5 pkg:rpm/suse/kernel-livepatch-SLE15-SP6-RT_Update_1&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP6 pkg:rpm/suse/kernel-livepatch-SLE15-SP6_Update_2&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP6 pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP5 pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP6 pkg:rpm/suse/kernel-rt_debug&distro=SUSE%20Real%20Time%20Module%2015%20SP5 pkg:rpm/suse/kernel-rt_debug&distro=SUSE%20Real%20Time%20Module%2015%20SP6 pkg:rpm/suse/kernel-rt&distro=SUSE%20Linux%20Enterprise%20Micro%205.5 pkg:rpm/suse/kernel-rt&distro=SUSE%20Linux%20Micro%206.0 pkg:rpm/suse/kernel-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP5 pkg:rpm/suse/kernel-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP6 pkg:rpm/suse/kernel-source-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP5 pkg:rpm/suse/kernel-source-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP6 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP5 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP6 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP5 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP6 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Micro%206.0 pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Linux%20Enterprise%20Micro%205.5 pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Linux%20Micro%206.0 pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP5 pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP6 pkg:rpm/suse/kernel-syms-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP5 pkg:rpm/suse/kernel-syms-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP6 pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP5 pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP6 pkg:rpm/suse/kernel-syms-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP5 pkg:rpm/suse/kernel-syms-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP6 pkg:rpm/suse/kernel-zfcpdump&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP5 pkg:rpm/suse/kernel-zfcpdump&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP6
< 4.18.0-553.22.1.el8_10+ 130 more
- (no CPE)range: < 4.18.0-553.22.1.el8_10
- (no CPE)range: < 4.18.0-553.22.1.el8_10
- (no CPE)range: < 4.18.0-553.22.1.el8_10
- (no CPE)range: < 4.18.0-553.22.1.el8_10
- (no CPE)range: < 4.18.0-553.22.1.el8_10
- (no CPE)range: < 4.18.0-553.22.1.el8_10
- (no CPE)range: < 4.18.0-553.22.1.el8_10
- (no CPE)range: < 4.18.0-553.22.1.el8_10
- (no CPE)range: < 4.18.0-553.22.1.el8_10
- (no CPE)range: < 4.18.0-553.22.1.el8_10
- (no CPE)range: < 4.18.0-553.22.1.el8_10
- (no CPE)range: < 4.18.0-553.22.1.el8_10
- (no CPE)range: < 4.18.0-553.22.1.el8_10
- (no CPE)range: < 4.18.0-553.22.1.el8_10
- (no CPE)range: < 4.18.0-553.22.1.el8_10
- (no CPE)range: < 4.18.0-553.22.1.rt7.363.el8_10
- (no CPE)range: < 4.18.0-553.22.1.rt7.363.el8_10
- (no CPE)range: < 4.18.0-553.22.1.rt7.363.el8_10
- (no CPE)range: < 4.18.0-553.22.1.rt7.363.el8_10
- (no CPE)range: < 4.18.0-553.22.1.rt7.363.el8_10
- (no CPE)range: < 4.18.0-553.22.1.rt7.363.el8_10
- (no CPE)range: < 4.18.0-553.22.1.rt7.363.el8_10
- (no CPE)range: < 4.18.0-553.22.1.rt7.363.el8_10
- (no CPE)range: < 4.18.0-553.22.1.rt7.363.el8_10
- (no CPE)range: < 4.18.0-553.22.1.rt7.363.el8_10
- (no CPE)range: < 4.18.0-553.22.1.rt7.363.el8_10
- (no CPE)range: < 4.18.0-553.22.1.rt7.363.el8_10
- (no CPE)range: < 4.18.0-553.22.1.el8_10
- (no CPE)range: < 4.18.0-553.22.1.el8_10
- (no CPE)range: < 4.18.0-553.22.1.el8_10
- (no CPE)range: < 4.18.0-553.22.1.el8_10
- (no CPE)range: < 4.18.0-553.22.1.el8_10
- (no CPE)range: < 4.18.0-553.22.1.el8_10
- (no CPE)range: < 4.18.0-553.22.1.el8_10
- (no CPE)range: < 4.18.0-553.22.1.el8_10
- (no CPE)range: < 4.18.0-553.22.1.el8_10
- (no CPE)range: < 4.18.0-553.22.1.el8_10
- (no CPE)range: < 5.14.21-150500.55.73.1
- (no CPE)range: < 6.4.0-150600.23.14.1
- (no CPE)range: < 5.14.21-150500.55.73.1
- (no CPE)range: < 6.4.0-150600.23.14.1
- (no CPE)range: < 5.14.21-150500.33.60.1
- (no CPE)range: < 6.4.0-150600.8.8.2
- (no CPE)range: < 5.14.21-150500.55.73.1
- (no CPE)range: < 6.4.0-150600.23.14.2
- (no CPE)range: < 5.14.21-150500.55.73.1.150500.6.33.8
- (no CPE)range: < 6.4.0-150600.23.14.2.150600.12.4.3
- (no CPE)range: < 5.14.21-150500.55.73.1.150500.6.33.8
- (no CPE)range: < 5.14.21-150500.55.73.1
- (no CPE)range: < 6.4.0-150600.23.14.2
- (no CPE)range: < 5.14.21-150500.55.73.1
- (no CPE)range: < 5.14.21-150500.55.73.2
- (no CPE)range: < 6.4.0-150600.23.14.2
- (no CPE)range: < 5.14.21-150500.55.73.1
- (no CPE)range: < 6.4.0-150600.23.14.2
- (no CPE)range: < 5.14.21-150500.55.73.1
- (no CPE)range: < 6.4.0-150600.23.14.2
- (no CPE)range: < 5.14.21-150500.55.73.1
- (no CPE)range: < 6.4.0-150600.23.14.2
- (no CPE)range: < 5.14.21-150500.13.61.1
- (no CPE)range: < 6.4.0-150600.10.5.1
- (no CPE)range: < 5.14.21-150500.13.61.1
- (no CPE)range: < 6.4.0-150600.10.5.1
- (no CPE)range: < 5.14.21-150500.33.60.1
- (no CPE)range: < 6.4.0-150600.8.8.2
- (no CPE)range: < 5.14.21-150500.55.73.1
- (no CPE)range: < 6.4.0-150600.23.14.2
- (no CPE)range: < 5.14.21-150500.13.61.1
- (no CPE)range: < 6.4.0-150600.10.5.1
- (no CPE)range: < 5.14.21-150500.33.60.1
- (no CPE)range: < 6.4.0-150600.8.8.1
- (no CPE)range: < 5.14.21-150500.55.73.1
- (no CPE)range: < 6.4.0-150600.23.14.2
- (no CPE)range: < 5.14.21-150500.13.61.1
- (no CPE)range: < 6.4.0-150600.10.5.1
- (no CPE)range: < 5.14.21-150500.55.73.1
- (no CPE)range: < 6.4.0-150600.23.14.2
- (no CPE)range: < 5.14.21-150500.55.73.1
- (no CPE)range: < 6.4.0-150600.23.14.1
- (no CPE)range: < 5.14.21-150500.33.60.1
- (no CPE)range: < 6.4.0-150600.8.8.2
- (no CPE)range: < 5.14.21-150500.55.73.1.150500.6.33.8
- (no CPE)range: < 5.14.21-150500.55.73.1.150500.6.33.8
- (no CPE)range: < 6.4.0-150600.23.14.2.150600.12.4.3
- (no CPE)range: < 6.4.0-17.1.1.51
- (no CPE)range: < 5.14.21-150500.55.73.1
- (no CPE)range: < 6.4.0-150600.23.14.2
- (no CPE)range: < 5.14.21-150500.55.73.1
- (no CPE)range: < 6.4.0-150600.23.14.2
- (no CPE)range: < 5.14.21-150500.55.73.1
- (no CPE)range: < 5.14.21-150500.55.73.1
- (no CPE)range: < 6.4.0-150600.23.14.2
- (no CPE)range: < 5.14.21-150500.55.73.1
- (no CPE)range: < 6.4.0-150600.23.14.2
- (no CPE)range: < 5.14.21-150500.55.73.1
- (no CPE)range: < 6.4.0-150600.23.14.2
- (no CPE)range: < 6.4.0-18.1
- (no CPE)range: < 5.14.21-150500.55.73.2
- (no CPE)range: < 6.4.0-150600.23.14.2
- (no CPE)range: < 6.4.0-18.1
- (no CPE)range: < 1-150500.11.3.1
- (no CPE)range: < 1-150500.11.3.1
- (no CPE)range: < 1-150600.1.5.1
- (no CPE)range: < 1-150600.13.3.2
- (no CPE)range: < 5.14.21-150500.55.73.1
- (no CPE)range: < 6.4.0-150600.23.14.2
- (no CPE)range: < 5.14.21-150500.13.61.1
- (no CPE)range: < 6.4.0-150600.10.5.1
- (no CPE)range: < 5.14.21-150500.13.61.1
- (no CPE)range: < 6.4.0-9.1
- (no CPE)range: < 5.14.21-150500.13.61.1
- (no CPE)range: < 6.4.0-150600.10.5.1
- (no CPE)range: < 5.14.21-150500.33.60.1
- (no CPE)range: < 6.4.0-150600.8.8.2
- (no CPE)range: < 5.14.21-150500.55.73.1
- (no CPE)range: < 6.4.0-150600.23.14.2
- (no CPE)range: < 5.14.21-150500.55.73.1
- (no CPE)range: < 6.4.0-150600.23.14.2
- (no CPE)range: < 6.4.0-18.1
- (no CPE)range: < 5.14.21-150500.13.61.1
- (no CPE)range: < 6.4.0-9.1
- (no CPE)range: < 5.14.21-150500.13.61.1
- (no CPE)range: < 6.4.0-150600.10.5.1
- (no CPE)range: < 5.14.21-150500.33.60.1
- (no CPE)range: < 6.4.0-150600.8.8.1
- (no CPE)range: < 5.14.21-150500.55.73.1
- (no CPE)range: < 6.4.0-150600.23.14.2
- (no CPE)range: < 5.14.21-150500.13.61.1
- (no CPE)range: < 6.4.0-150600.10.5.1
- (no CPE)range: < 5.14.21-150500.55.73.1
- (no CPE)range: < 6.4.0-150600.23.14.2

cvss	0.000
epss	0.000
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000

lib/generic-radix-tree.c: Don't overflow in peek()

Description

Affected products

Patches

Vulnerability mechanics

References

News mentions