CVE-2021-4197
Vulnerability from cvelistv5
Published
2022-03-23 19:46
Modified
2024-08-03 17:16
Severity ?
Summary
An unprivileged write to the file handler flaw in the Linux kernel's control groups and namespaces subsystem was found in the way users have access to some less privileged process that are controlled by cgroups and have higher privileged parent process. It is actually both for cgroup2 and cgroup1 versions of control groups. A local user could use this flaw to crash the system or escalate their privileges on the system.
References
secalert@redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=2035652Issue Tracking, Third Party Advisory
secalert@redhat.comhttps://lore.kernel.org/lkml/20211209214707.805617-1-tj%40kernel.org/T/
secalert@redhat.comhttps://security.netapp.com/advisory/ntap-20220602-0006/Third Party Advisory
secalert@redhat.comhttps://www.debian.org/security/2022/dsa-5127Third Party Advisory
secalert@redhat.comhttps://www.debian.org/security/2022/dsa-5173Third Party Advisory
secalert@redhat.comhttps://www.oracle.com/security-alerts/cpujul2022.htmlThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=2035652Issue Tracking, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lore.kernel.org/lkml/20211209214707.805617-1-tj%40kernel.org/T/
af854a3a-2127-422b-91ae-364da2661108https://security.netapp.com/advisory/ntap-20220602-0006/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.debian.org/security/2022/dsa-5127Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.debian.org/security/2022/dsa-5173Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.oracle.com/security-alerts/cpujul2022.htmlThird Party Advisory
Impacted products
Vendor Product Version
Show details on NVD website

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