CVE-2023-46862
Summary
| CVE | CVE-2023-46862 |
|---|---|
| State | PUBLISHED |
| Assigner | mitre |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2023-10-29 04:15:11 UTC |
| Updated | 2026-10-15 01:17:10 UTC |
| Description | An issue was discovered in the Linux kernel through 6.5.9. During a race with SQ thread exit, an io_uring/fdinfo.c io_uring_show_fdinfo NULL pointer dereference can occur. |
Risk And Classification
Primary CVSS: v3.1 4.7 MEDIUM from [email protected]
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
Problem Types: CWE-476 | n/a
CVSS v3.1 Breakdown
Attack Vector
LocalAttack Complexity
HighPrivileges Required
LowUser Interaction
NoneScope
UnchangedConfidentiality
NoneIntegrity
NoneAvailability
HighCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Operating System | Linux | Linux Kernel | All | All | All | All |
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Na | N/a | affected n/a | Not specified |
| ADP | Siemens | SIMATIC S7-1500 CPU 1518-4 PN/DP MFP | affected V3.1.0 V3.1.5 custom | Not specified |
| ADP | Siemens | SIMATIC S7-1500 CPU 1518-4 PN/DP MFP | affected V3.1.0 V3.1.5 custom | Not specified |
| ADP | Siemens | SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP | affected V3.1.0 V3.1.5 custom | Not specified |
| ADP | Siemens | SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP | affected V3.1.0 V3.1.5 custom | Not specified |
| ADP | Siemens | SIPLUS S7-1500 CPU 1518-4 PN/DP MFP | affected V3.1.0 V3.1.5 custom | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| cert-portal.siemens.com/productcert/html/ssa-398330.html | 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e | cert-portal.siemens.com | |
| 218032 – NULL pointer dereference vulnerability in io_uring_show_fdinfo. | af854a3a-2127-422b-91ae-364da2661108 | bugzilla.kernel.org | Issue Tracking, Patch, Third Party Advisory |
| lists.debian.org/debian-lts-announce/2024/01/msg00005.html | af854a3a-2127-422b-91ae-364da2661108 | lists.debian.org | |
| io_uring/fdinfo: lock SQ thread while retrieving thread cpu/pid · torvalds/linux@7644b1a · GitHub | af854a3a-2127-422b-91ae-364da2661108 | github.com | Patch |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
Legacy QID Mappings
- 199975 Ubuntu Security Notification for Linux kernel (OEM) Vulnerabilities (USN-6533-1)
- 200099 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-6624-1)
- 200132 Ubuntu Security Notification for Linux kernel (Azure) Vulnerabilities (USN-6652-1)
- 200179 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-6686-1)
- 200191 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-6686-2)
- 200206 Ubuntu Security Notification for Linux kernel (Oracle) Vulnerabilities (USN-6686-3)
- 200208 Ubuntu Security Notification for Linux kernel (KVM) Vulnerabilities (USN-6686-4)
- 200214 Ubuntu Security Notification for Linux kernel (AWS) Vulnerabilities (USN-6705-1)
- 200231 Ubuntu Security Notification for Linux kernel (Intel IoTG) Vulnerabilities (USN-6686-5)
- 356908 Amazon Linux Security Advisory for kernel : ALAS2023-2023-430
- 357055 Amazon Linux Security Advisory for kernel : ALAS2KERNEL-5.10-2024-047
- 357057 Amazon Linux Security Advisory for kernel : ALAS2KERNEL-5.15-2024-035
- 6000419 Debian Security Update for linux (DSA 5594-1)
- 6000428 Debian Security Update for linux-5.10 (DLA 3711-1)
- 6140250 AWS Bottlerocket Security Update for kernel (GHSA-48f3-q58c-pxv5)
- 673657 EulerOS Security Update for kernel (EulerOS-SA-2024-1122)
- 674024 EulerOS Security Update for kernel (EulerOS-SA-2024-1107)
- 907874 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (31816-1)