UBUNTU-CVE-2023-2176
Advisory lineage Upstream: 1 Downstream: 2
Upstream
Downstream
Published: 20 Apr 2023, 21:15
Last modified:04 Feb 2026, 03:52
Vulnerability Summary
Overall Risk (default)
medium
31/100 CVSS Score
7.8 HIGH
3.1 (osv_ubuntu)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected
Timeline
20 Apr 2023, 21:15
Published
Vulnerability first disclosed
04 Feb 2026, 03:52
Last Modified
Vulnerability information updated
Description
A vulnerability was found in compare_netdev_and_ip in drivers/infiniband/core/cma.c in RDMA in the Linux Kernel. The improper cleanup results in out-of-boundary read, where a local user can utilize this problem to crash the system or escalation of privilege.
CVSS Metrics
- v3.1•HIGH•Score: 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected Systems
- ubuntu•linux-aws-5.0
all
- ubuntu•linux-aws-5.11
all
- ubuntu•linux-aws-5.13
all
- ubuntu•linux-aws-5.3
all
- ubuntu•linux-aws-5.8
all
- ubuntu•linux-azure
all
- ubuntu•linux-azure-5.11
all
- ubuntu•linux-azure-5.13
all
- ubuntu•linux-azure-5.19
all
- ubuntu•linux-azure-5.3
all
- ubuntu•linux-azure-5.8
all
- ubuntu•linux-azure-edge
all
- ubuntu•linux-azure-fde-5.19
all
- ubuntu•linux-gcp
all
- ubuntu•linux-gcp-5.11
all
- ubuntu•linux-gcp-5.13
all
- ubuntu•linux-gcp-5.3
all
- ubuntu•linux-gcp-5.8
all
- ubuntu•linux-gke-4.15
all
- ubuntu•linux-gke-5.4
all
- ubuntu•linux-gkeop-5.4
all
- ubuntu•linux-hwe
all
- ubuntu•linux-hwe-5.11
all
- ubuntu•linux-hwe-5.13
all
- ubuntu•linux-hwe-5.8
all
- ubuntu•linux-hwe-edge
all
- ubuntu•linux-intel-5.13
all
- ubuntu•linux-intel-iot-realtime
all
- ubuntu•linux-nvidia-6.2
< 6.2.0-1009.9
- ubuntu•linux-oem
all
- ubuntu•linux-oem-5.10
all
- ubuntu•linux-oem-5.13
all
- ubuntu•linux-oem-5.14
all
- ubuntu•linux-oem-5.6
all
- ubuntu•linux-oem-6.0
< 6.0.0-1019.19
- ubuntu•linux-oem-6.1
< 6.1.0-1015.15
- ubuntu•linux-oracle-5.0
all
- ubuntu•linux-oracle-5.11
all
- ubuntu•linux-oracle-5.13
all
- ubuntu•linux-oracle-5.3
all
- ubuntu•linux-oracle-5.8
all
- ubuntu•linux-raspi-realtime
all
- ubuntu•linux-raspi2
all
- ubuntu•linux-realtime
all
- ubuntu•linux-riscv
all | all
- ubuntu•linux-riscv-5.11
all
- ubuntu•linux-riscv-5.8
all
References (10)
- https://ubuntu.com/security/CVE-2023-2176
- https://lkml.org/lkml/2022/12/9/178
- https://www.spinics.net/lists/linux-rdma/msg114749.html
- https://patchwork.kernel.org/project/linux-rdma/patch/3d0e9a2fd62bc10ba02fed1c7c48a48638952320.1672819273.git.leonro@nvidia.com/
- https://git.kernel.org/linus/8d037973d48c026224ab285e6a06985ccac6f7bf
- https://ubuntu.com/security/notices/USN-6194-1
- https://ubuntu.com/security/notices/USN-6224-1
- https://ubuntu.com/security/notices/USN-6228-1
- https://ubuntu.com/security/notices/USN-6235-1
- https://www.cve.org/CVERecord?id=CVE-2023-2176