CVE-2023-2430 — Improper Resource Locking in Kernel
Severity
5.5MEDIUMNVD
OSV7.8
EPSS
0.0%
top 98.19%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedJul 23
Description
A vulnerability was found due to missing lock for IOPOLL flaw in io_cqring_event_overflow() in io_uring.c in Linux Kernel. This flaw allows a local attacker with user privilege to trigger a Denial of Service threat.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6
Affected Packages5 packages
Patches
🔴Vulnerability Details
5OSV▶
CVE-2023-2430: A vulnerability was found due to missing lock for IOPOLL flaw in io_cqring_event_overflow() in io_uring↗2023-07-23
GHSA▶
GHSA-3xvm-4g57-gvj6: A vulnerability was found due to missing lock for IOPOLL flaw in io_cqring_event_overflow() in io_uring↗2023-07-23
OSV▶
linux, linux-allwinner, linux-allwinner-5.19, linux-aws, linux-aws-5.19, linux-azure, linux-gcp, linux-gcp-5.19, linux-hwe-5.19, linux-ibm, linux-kvm, linux-lowlatency, linux-oracle, linux-raspi, linu↗2023-06-29
📋Vendor Advisories
6Microsoft▶
A vulnerability was found due to missing lock for IOPOLL flaw in io_cqring_event_overflow() in io_uring.c in Linux Kernel. This flaw allows a local attacker with user privilege to trigger a Denial of ↗2023-07-11
Red Hat▶
kernel: missing lock in io_uring/msg_ring.c for IOPOLL in io_uring cause denial of service↗2023-01-19