CVE-2023-6679
Kernel: null pointer dereference in dpll_pin_parent_pin_set() in drivers/dpll/dpll_netlink.c
CVSS Score
5.5
EPSS Score
0.0%
EPSS Percentile
0th
A null pointer dereference vulnerability was found in dpll_pin_parent_pin_set() in drivers/dpll/dpll_netlink.c in the Digital Phase Locked Loop (DPLL) subsystem in the Linux kernel. This issue could be exploited to trigger a denial of service.
| CWE | CWE-476 |
| Vendor | red hat |
| Product | red hat enterprise linux 9 |
| Published | Dec 11, 2023 |
| Last Updated | Nov 21, 2025 |
Stay Ahead of the Next One
Get instant alerts for red hat red hat enterprise linux 9
Be the first to know when new medium vulnerabilities affecting red hat red hat enterprise linux 9 are published — delivered to Slack, Telegram or Discord.
Get Free Alerts →
Free · No credit card · 60 sec setup
CVSS v3 Breakdown
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Affected Versions
Red Hat / Red Hat Enterprise Linux 9
All versions affected Red Hat / Red Hat Enterprise Linux 9
All versions affected Red Hat / Red Hat Enterprise Linux 9.2 Extended Update Support
All versions affected Red Hat / Red Hat Enterprise Linux 9.2 Extended Update Support
All versions affected Red Hat / Red Hat Enterprise Linux 6
All versions affected Red Hat / Red Hat Enterprise Linux 7
All versions affected Red Hat / Red Hat Enterprise Linux 7
All versions affected Red Hat / Red Hat Enterprise Linux 8
All versions affected Red Hat / Red Hat Enterprise Linux 8
All versions affected Red Hat / Red Hat Enterprise Linux 9
All versions affected References
access.redhat.com: https://access.redhat.com/errata/RHSA-2024:0439 access.redhat.com: https://access.redhat.com/errata/RHSA-2024:0448 access.redhat.com: https://access.redhat.com/errata/RHSA-2024:0461 access.redhat.com: https://access.redhat.com/security/cve/CVE-2023-6679 bugzilla.redhat.com: https://bugzilla.redhat.com/show_bug.cgi?id=2253986 lore.kernel.org: https://lore.kernel.org/netdev/[email protected]/ lists.fedoraproject.org: https://lists.fedoraproject.org/archives/list/[email protected]/message/7LSPIOMIJYTLZB6QKPQVVAYSUETUWKPF/ lists.fedoraproject.org: https://lists.fedoraproject.org/archives/list/[email protected]/message/LBVHM4LGMFIHBN4UBESYRFMYX3WUICV5/
Credits
Red Hat would like to thank Xingyuan Mo ((IceSword Lab)) for reporting this issue.