Vulnerability · Published Jul 23, 2023 · Assigned by redhat
CVE-2023-2430
Medium 5.5
In plain English
A medium-severity security flaw in kernel. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 5% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)5.5Medium
Exploit odds (30 days)0.2%top 95.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | linux | 6.1.52-1 | DEBIAN-CVE-2023-2430 |
| Debian:12 | linux | 6.1.52-1 | DSA-5492-1 |
| Debian:13 | linux | 6.3.7-1 | DEBIAN-CVE-2023-2430 |
| Debian:14 | linux | 6.3.7-1 | DEBIAN-CVE-2023-2430 |
| Ubuntu:22.04:LTS | linux-allwinner-5.19 | 5.19.0-1015.15~22.04.1 | USN-6192-1 |
| Ubuntu:22.04:LTS | linux-allwinner-5.19 | 5.19.0-1015.15~22.04.1 | UBUNTU-CVE-2023-2430 |
| Ubuntu:22.04:LTS | linux-aws-5.19 | 5.19.0-1028.29~22.04.1 | USN-6192-1 |
| Ubuntu:22.04:LTS | linux-aws-5.19 | 5.19.0-1028.29~22.04.1 | UBUNTU-CVE-2023-2430 |
| Ubuntu:22.04:LTS | linux-azure-5.19 | no fix listed | UBUNTU-CVE-2023-2430 |
| Ubuntu:22.04:LTS | linux-azure-fde-5.19 | no fix listed | UBUNTU-CVE-2023-2430 |
| Ubuntu:22.04:LTS | linux-gcp-5.19 | 5.19.0-1027.29~22.04.1 | USN-6192-1 |
| Ubuntu:22.04:LTS | linux-gcp-5.19 | 5.19.0-1027.29~22.04.1 | UBUNTU-CVE-2023-2430 |
| Ubuntu:22.04:LTS | linux-hwe-5.19 | 5.19.0-46.47~22.04.1 | UBUNTU-CVE-2023-2430 |
| Ubuntu:22.04:LTS | linux-hwe-5.19 | 5.19.0-46.47~22.04.1 | USN-6192-1 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-5.19 | 5.19.0-1028.29~22.04.1 | UBUNTU-CVE-2023-2430 |
| Ubuntu:22.04:LTS | linux-oem-6.0 | 6.0.0-1019.19 | USN-6235-1 |
| Ubuntu:22.04:LTS | linux-oem-6.0 | 6.0.0-1019.19 | UBUNTU-CVE-2023-2430 |
| Ubuntu:22.04:LTS | linux-oem-6.1 | 6.1.0-1015.15 | USN-6194-1 |
| Ubuntu:22.04:LTS | linux-oem-6.1 | 6.1.0-1015.15 | UBUNTU-CVE-2023-2430 |
| Ubuntu:22.04:LTS | linux-riscv | no fix listed | UBUNTU-CVE-2023-2430 |
| Ubuntu:22.04:LTS | linux-riscv-5.19 | 5.19.0-1021.23~22.04.1 | UBUNTU-CVE-2023-2430 |
| Ubuntu:22.04:LTS | linux-starfive-5.19 | 5.19.0-1020.22~22.04.1 | USN-6192-1 |
| Ubuntu:22.04:LTS | linux-starfive-5.19 | 5.19.0-1020.22~22.04.1 | UBUNTU-CVE-2023-2430 |
Affected products (as reported)
Weakness: CWE-413 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H