Fiche vulnérabilité
CVE-2021-4083 : faille élevée linux linux kernel (CVSS 7.0)
Description
A read-after-free memory flaw was found in the Linux kernel's garbage collection for Unix domain socket file handlers in the way users call close() and fget() simultaneously and can potentially trigger a race condition. This flaw allows a local user to crash the system or escalate their privileges on the system. This flaw affects Linux kernel versions prior to 5.16-rc4.
En bref
- Sévérité
- Élevée (CVSS 7.0)
- Vecteur CVSS
- CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
- Exploitation active
- Non signalée par la CISA
- Publication
- 18 janv. 2022
- Dernière mise à jour
- 17 juin 2026
Produits concernés
- linux linux kernel
- netapp h410c firmware
- netapp h300s firmware
- netapp h500s firmware
- netapp h700s firmware
- netapp h300e firmware
- netapp h500e firmware
- netapp h700e firmware
- netapp h410s firmware
- debian debian linux
- netapp hci management node
- netapp solidfire
- oracle communications cloud native core binding support function
- oracle communications cloud native core network exposure function
- oracle communications cloud native core policy
Références
- Fiche CVE-2021-4083 sur le NVD (NIST)
- bugzilla.redhat.com/show_bug.cgi
- git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux…
- lists.debian.org/debian-lts-announce/2022/03/msg00011.html
- lists.debian.org/debian-lts-announce/2022/03/msg00012.html
- security.netapp.com/advisory/ntap-20220217-0005/
- debian.org/security/2022/dsa-5096
- oracle.com/security-alerts/cpujul2022.html