CVE-2021-47432
high
CVSS v3
—
VIR risk
8.0
Description
In the Linux kernel, the following vulnerability has been resolved: lib/generic-radix-tree.c: Don't overflow in peek() 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.
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No vendor mitigations ingested yet for this CVE. The mitigation-content worker queues fetches as references arrive — check back in a few minutes, or see the references list below.
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| rhel | 9 | fixed | |
| rocky | 8 | fixed | |
| sles | affected | | |
| debian | bookworm | fixed | 6.1.64-1 |
| debian | bullseye | affected | |
| debian | forky | fixed | 6.5.13-1 |
| debian | sid | fixed | 6.5.13-1 |
| debian | trixie | fixed | 6.5.13-1 |
References
- https://access.redhat.com/errata/RHSA-2024:9315
- https://errata.rockylinux.org/RLSA-2024:7000
- https://errata.rockylinux.org/RLSA-2024:7001
- https://www.suse.com/security/cve/CVE-2021-47432.html
- https://security-tracker.debian.org/tracker/CVE-2021-47432
- https://access.redhat.com/errata/RHSA-2024:7000
- https://bugzilla.redhat.com/2258012
- https://bugzilla.redhat.com/2258013
- https://bugzilla.redhat.com/2260038
- https://bugzilla.redhat.com/2265799
- https://bugzilla.redhat.com/2265838
- https://bugzilla.redhat.com/2266358
- https://bugzilla.redhat.com/2266750
- https://bugzilla.redhat.com/2267036
- https://bugzilla.redhat.com/2267041
- https://bugzilla.redhat.com/2267795
- https://bugzilla.redhat.com/2267916
- https://bugzilla.redhat.com/2267925
- https://bugzilla.redhat.com/2268295
- https://bugzilla.redhat.com/2270103
- https://bugzilla.redhat.com/2271648
- https://bugzilla.redhat.com/2271796
- https://bugzilla.redhat.com/2272793
- https://bugzilla.redhat.com/2273141
- https://bugzilla.redhat.com/2273148
💬 Discuss CVE-2021-47432 on VIR Community →
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.