CVE-2021-4083

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.

Link	Resource
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=054aa8d439b9	Patch Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2029923	Issue Tracking Patch
https://security.netapp.com/advisory/ntap-20220217-0005/	Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/03/msg00012.html	Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/03/msg00011.html	Mailing List Third Party Advisory
https://www.debian.org/security/2022/dsa-5096	Third Party Advisory
https://www.oracle.com/security-alerts/cpujul2022.html	Patch Third Party Advisory

Configuration 1

cpe:2.3:o:linux:linux_kernel:5.16:rc2:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:5.16:rc3:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:5.16:rc1:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* cpe:2.3:a:netapp:solidfire:-:*:*:*:*:*:*:* cpe:2.3:a:netapp:hci_management_node:-:*:*:*:*:*:*:* cpe:2.3:a:oracle:communications_cloud_native_core_binding_support_function:22.1.3:*:*:*:*:*:*:* cpe:2.3:a:oracle:communications_cloud_native_core_policy:22.2.0:*:*:*:*:*:*:* cpe:2.3:a:oracle:communications_cloud_native_core_network_exposure_function:22.1.1:*:*:*:*:*:*:*

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Published : 2022-01-18 05:15

Updated : 2023-02-24 03:11

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NVD link : CVE-2021-4083

Mitre link : CVE-2021-4083

Linux

Linux Kernel

CWE-416