NULL pointer dereference in Linux Kernel
CVE-2023-6915
A Null pointer dereference problem was found in ida_free in lib/idr.c in the Linux Kernel. This issue may allow an attacker using this library to cause a denial of service problem due to a missing check at a function return.
EPSS: 0.003 (17.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.2 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Linux Linux_kernel — versions 6.7
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8 — versions 0:4.18.0-553.rt7.342.el8_10, 0:4.18.0-553.el8_10
- Red Hat Enterprise Linux 9 — versions 0:5.14.0-427.13.1.el9_4
- Redhat Enterprise_linux — versions 8.0, 9.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory)
- secalert@redhat.com (x_refsource_REDHAT, Third Party Advisory, vdb-entry)
- secalert@redhat.com (x_refsource_REDHAT, issue-tracking, Issue Tracking)
- secalert@redhat.com (Patch)
- af854a3a-2127-422b-91ae-364da2661108
Frequently asked questions
- What is CVE-2023-6915?
- CVE-2023-6915 is a medium-severity vulnerability in Linux Kernel, classified under NULL Pointer Dereference. CVSS score: 6.2/10. Published 2024-01-15.
- How severe is CVE-2023-6915?
- Medium severity. CVSS v3 base score is 6.2 out of 10.
- Is CVE-2023-6915 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.