VDB
UBUNTU-CVE-2023-2430
UBUNTU-CVE-2023-2430
PUBLISHED
CVSS 5.5 MEDIUM
Record from OSV · Published May 8, 2023
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.
Fixed versions
Upgrade to a fixed version or later. Language registries are listed first, then Linux distributions, then vendor products.
| Package | Ecosystem | Fixed in |
|---|---|---|
| linux-oem-6.1 | Ubuntu:22.04:LTS | 6.1.0-1015.15 |
| linux-aws-5.19 | Ubuntu:22.04:LTS | 5.19.0-1028.29~22.04.1 |
| linux-riscv-5.19 | Ubuntu:22.04:LTS | 5.19.0-1021.23~22.04.1 |
| linux-lowlatency-hwe-5.19 | Ubuntu:22.04:LTS | 5.19.0-1028.29~22.04.1 |
| linux-allwinner-5.19 | Ubuntu:22.04:LTS | 5.19.0-1015.15~22.04.1 |
| linux-hwe-5.19 | Ubuntu:22.04:LTS | 5.19.0-46.47~22.04.1 |
| linux-gcp-5.19 | Ubuntu:22.04:LTS | 5.19.0-1027.29~22.04.1 |
| linux-starfive-5.19 | Ubuntu:22.04:LTS | 5.19.0-1020.22~22.04.1 |
| linux-oem-6.0 | Ubuntu:22.04:LTS | 6.0.0-1019.19 |
Risk scores
CVSS 3.1
5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:20.04:LTS | linux-riscv-5.11 | 5.11.0-1015.16~20.04.1, 5.11.0-1031.35, 5.11.0-1030.34 |
| Ubuntu:20.04:LTS | linux-intel-5.13 | 0, 5.13.0-1007.7, 5.13.0-1008.8 |
| Ubuntu:22.04:LTS | linux-oem-6.1 | 6.1.0-1013.13, 6.1.0-1014.14, 6.1.0-1012.12 |
| Ubuntu:18.04:LTS | linux-azure-edge | 5.0.0-1012.12~18.04.2, 4.18.0-1006.6~18.04.1, 4.18.0-1008.8~18.04.1 |
| Ubuntu:20.04:LTS | linux-oracle-5.13 | 5.13.0-1021.26~20.04.1, 5.13.0-1025.30~20.04.1, 5.13.0-1027.32~20.04.1 |
| Ubuntu:18.04:LTS | linux-gke-4.15 | 4.15.0-1063.66, 4.15.0-1059.62, 4.15.0-1058.61 |
| Ubuntu:18.04:LTS | linux-hwe-edge | 5.3.0-24.26~18.04.2, 5.3.0-23.25~18.04.2, 5.3.0-23.25~18.04.1 |
| Ubuntu:18.04:LTS | linux-azure-5.3 | 5.3.0-1010.11~18.04.1, 5.3.0-1009.10~18.04.1, 5.3.0-1008.9~18.04.1 |
| Ubuntu:22.04:LTS | linux-azure-5.19 | 5.19.0-1025.28~22.04.1, 5.19.0-1021.22~22.04.1, 5.19.0-1020.21~22.04.1 |
| Ubuntu:22.04:LTS | linux-aws-5.19 | 5.19.0-1025.26~22.04.1, 5.19.0-1024.25~22.04.1, 5.19.0-1026.27~22.04.1 |
| Ubuntu:20.04:LTS | linux-azure-5.8 | 0, 5.8.0-1043.46~20.04.1, 5.8.0-1042.45~20.04.1 |
| Ubuntu:22.04:LTS | linux-azure-fde-5.19 | 5.19.0-1026.29~22.04.1.1, 0, 5.19.0-1027.30~22.04.2.1 |
| Ubuntu:20.04:LTS | linux-riscv | 5.4.0-34.38, 5.4.0-33.37, 5.4.0-31.35 |
| Ubuntu:20.04:LTS | linux-hwe-5.8 | 5.8.0-50.56~20.04.1, 0, 5.8.0-23.24~20.04.1 |
| Ubuntu:20.04:LTS | linux-riscv-5.8 | 5.8.0-29.31~20.04.1, 5.8.0-14.16~20.04.1, 0 |
| Ubuntu:20.04:LTS | linux-aws-5.13 | 5.13.0-1023.25~20.04.1, 5.13.0-1025.27~20.04.1, 5.13.0-1028.31~20.04.1 |
| Ubuntu:20.04:LTS | linux-oem-5.13 | 5.13.0-1026.32, 5.13.0-1028.35, 5.13.0-1029.36 |
| Ubuntu:18.04:LTS | linux-gcp | 4.15.0-1001.1, 5.0.0-1034.35, 5.0.0-1033.34 |
| Ubuntu:20.04:LTS | linux-oracle-5.8 | 5.8.0-1034.35~20.04.2, 5.8.0-1033.34~20.04.1, 5.8.0-1031.32~20.04.2 |
| Ubuntu:22.04:LTS | linux-riscv-5.19 | 5.19.0-1019.21~22.04.1, 5.19.0-1020.22~22.04.1, 0 |
…and 32 more
Timeline
- May 8, 2023 CVE Published
- Feb 4, 2026 CVE Updated
- Oct 31, 2026 Distribution Patch (3 in total, the first dated here)
- Oct 31, 2026 Security Advisory (3 in total, the first dated here)
Query this with the API
The same record, from the CLI:
vulnetix vdb vuln UBUNTU-CVE-2023-2430
vulnetix vdb fixes UBUNTU-CVE-2023-2430
Or with curl, using the org id and key from your account page:
curl -s -H "Authorization: ApiKey ${VULNETIX_ORG_ID}:${VULNETIX_API_KEY}" \
"https://api.vdb.vulnetix.com/v2/vuln/UBUNTU-CVE-2023-2430/fixes/registry"
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References
- https://ubuntu.com/security/CVE-2023-2430 report
- https://git.kernel.org/linus/e12d7a46f65ae4b7d58a5e0c1cbfa825cf8d830d report
- https://groups.google.com/g/syzkaller/c/T04q4HMUCdA/m/qVaOqv2RAAAJ?pli=1 report
- https://lore.kernel.org/io-uring/Y8krlYa52%2F0YGqkg@ip-172-31-85-199.ec2.internal/ report
- https://ubuntu.com/security/notices/USN-6192-1 advisory
- https://ubuntu.com/security/notices/USN-6194-1 advisory
- https://ubuntu.com/security/notices/USN-6235-1 advisory
- https://www.cve.org/CVERecord?id=CVE-2023-2430 report