Vulnerability in Linux Kernel
CVE-2023-2156
A flaw was found in the networking subsystem of the Linux kernel within the handling of the RPL protocol. This issue results from the lack of proper handling of user-supplied data, which can lead to an assertion failure. This may allow an unauthenticated remote attacker to create a denial of service condition on the system.
EPSS: 0.061 (92.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Linux Linux_kernel
- Debian Debian_linux — versions 10.0
- Fedoraproject Fedora — versions 38
- Redhat Enterprise_linux — versions 9.0
- N/a Linux Kernel (Rpl Protocol) — versions Reproducible on the latest mainline.
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secalert@redhat.com (VDB Entry, Third Party Advisory)
- secalert@redhat.com (Third Party Advisory, Issue Tracking)
- secalert@redhat.com (mailing-list, Mailing List)
- secalert@redhat.com (mailing-list, Mailing List)
- secalert@redhat.com (mailing-list, Mailing List)
- secalert@redhat.com (mailing-list, Mailing List)
- secalert@redhat.com (Mailing List, Third Party Advisory)
- secalert@redhat.com (vendor-advisory, VDB Entry, Third Party Advisory)
- secalert@redhat.com (vendor-advisory, VDB Entry, Third Party Advisory)
- secalert@redhat.com (mailing-list, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2023-2156?
- CVE-2023-2156 is a high-severity vulnerability in Linux Kernel, classified under Reachable Assertion. CVSS score: 7.5/10. Published 2023-05-09.
- How severe is CVE-2023-2156?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2023-2156 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.