Buffer overflow in Linux Kernel
CVE-2023-6560
An out-of-bounds memory access flaw was found in the io_uring SQ/CQ rings functionality in the Linux kernel. This issue could allow a local user to crash the system.
EPSS: 0.003 (20.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Linux Linux_kernel — versions 6.7
- Fedora
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux 9
- N/a Kernel — versions 6.7-rc5
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secalert@redhat.com
- secalert@redhat.com (x_refsource_REDHAT, Third Party Advisory, vdb-entry)
- secalert@redhat.com (x_refsource_REDHAT, issue-tracking, Issue Tracking)
- secalert@redhat.com
- secalert@redhat.com
- secalert@redhat.com (Patch, Mailing List)
Frequently asked questions
- What is CVE-2023-6560?
- CVE-2023-6560 is a medium-severity vulnerability in Linux Kernel, classified under CWE-823. CVSS score: 5.5/10. Published 2023-12-09.
- How severe is CVE-2023-6560?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2023-6560 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.