Not rated
CVE-2021-4023 A flaw was found in the io-workqueue implementation in the Linux kernel versions prior to 5.15-rc1
Description
A flaw was found in the io-workqueue implementation in the Linux kernel versions prior to 5.15-rc1. The kernel can panic when an improper cancellation operation triggers the submission of new io-uring operations during a shortage of free space. This flaw allows a local user with permissions to execute io-uring requests to possibly crash the system.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| kernel | Versions not published |
Other CVEs of kernel
The 279 CVEs of kernel →
CVE-2024-1312
A use-after-free flaw was found in the Linux kernel's Memory Management subsystem when a user wins two races at the same…
5.1
Medium
CVE-2023-6200
A race condition was found in the Linux Kernel
7.5
High
CVE-2023-6560
An out-of-bounds memory access flaw was found in the io_uring SQ/CQ rings functionality in the Linux kernel
5.5
Medium
CVE-2023-5972
A null pointer dereference flaw was found in the nft_inner.c functionality of netfilter in the Linux kernel
7.0
High