CVE-2023-1838
Summary
| CVE | CVE-2023-1838 |
|---|---|
| State | PUBLISHED |
| Assigner | redhat |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2023-04-05 19:15:07 UTC |
| Updated | 2026-10-08 22:17:22 UTC |
| Description | A use-after-free flaw was found in vhost_net_set_backend in drivers/vhost/net.c in virtio network subcomponent in the Linux kernel due to a double fget. This flaw could allow a local attacker to crash the system, and could even lead to a kernel information leak problem. |
Risk And Classification
Primary CVSS: v3.1 7.1 HIGH from [email protected]
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
Problem Types: CWE-416 | CWE-416 CWE-416
CVSS v3.1 Breakdown
Attack Vector
LocalAttack Complexity
LowPrivileges Required
LowUser Interaction
NoneScope
UnchangedConfidentiality
HighIntegrity
NoneAvailability
HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/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
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| [PATCH] vhost_net: fix double fget() | af854a3a-2127-422b-91ae-364da2661108 | lore.kernel.org | Third Party Advisory |
| CVE-2023-1838 Linux Kernel Vulnerability in NetApp Products | NetApp Product Security | af854a3a-2127-422b-91ae-364da2661108 | security.netapp.com | Third Party Advisory, VDB Entry |
| [PATCH] vhost_net: fix double fget() | MITRE | lore.kernel.org | |
| 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
- 161372 Oracle Enterprise Linux Security Update for kernel (ELSA-2024-12169)
- 161402 Oracle Enterprise Linux Security Update for kernel (ELSA-2024-0897)
- 181709 Debian Security Update for linux (CVE-2023-1838)
- 242789 Red Hat Update for kernel (RHSA-2024:0575)
- 242855 Red Hat Update for kernel (RHSA-2024:0412)
- 242939 Red Hat Update for kernel (RHSA-2024:0897)
- 242983 Red Hat Update for kernel-rt (RHSA-2024:0881)
- 355565 Amazon Linux Security Advisory for kernel : ALAS2KERNEL-5.15-2023-023
- 378473 Alibaba Cloud Linux Security Update for cloud-kernel (ALINUX2-SA-2023:0021)
- 672935 EulerOS Security Update for kernel (EulerOS-SA-2023-1824)
- 672952 EulerOS Security Update for kernel (EulerOS-SA-2023-1806)
- 673074 EulerOS Security Update for kernel (EulerOS-SA-2023-2193)
- 673182 EulerOS Security Update for kernel (EulerOS-SA-2023-2335)
- 673208 EulerOS Security Update for kernel (EulerOS-SA-2023-2315)
- 673393 EulerOS Security Update for kernel (EulerOS-SA-2023-2647)
- 674113 EulerOS Security Update for kernel (EulerOS-SA-2023-2689)
- 753981 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2023:2146-1)
- 753982 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2023:2148-1)
- 755851 SUSE Enterprise Linux Security Update for the linux kernel (SUSE-SU-2023:2646-1)
- 906812 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (26043-1)
- 906858 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (26032-1)
- 941584 AlmaLinux Security Update for kernel (ALSA-2024:0897)