CVE-2023-6679: Kernel: null pointer dereference in dpll_pin_parent_pin_set() in drivers/dpll/dpll_netlink.c
First published: Mon Dec 11 2023(Updated: )
A null pointer dereference vulnerability was found in dpll_pin_parent_pin_set() in drivers/dpll/dpll_netlink.c in Digital Phase Locked Loop (DPLL) subsystem in the Linux kernel, which could be exploited to trigger denial of service. Refer: <a href="https://lore.kernel.org/netdev/20231211083758.1082853-1-jiri@resnulli.us/">https://lore.kernel.org/netdev/20231211083758.1082853-1-jiri@resnulli.us/</a>
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Linux kernel | ||
| Fedoraproject Fedora | =38 | |
| Redhat Enterprise Linux | =9.0 | |
| IBM Security Guardium | <=12.0 |
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Reference Links
- https://lore.kernel.org/netdev/20231211083758.1082853-1-jiri@resnulli.us/
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2253987
- https://access.redhat.com/errata/RHSA-2024:0461
- https://access.redhat.com/errata/RHSA-2024:0439
- https://access.redhat.com/errata/RHSA-2024:0448
- https://bugzilla.redhat.com/show_bug.cgi?id=2253986
- https://exchange.xforce.ibmcloud.com/vulnerabilities/274774
- https://www.ibm.com/support/pages/node/7152469 (Advisory)
- https://access.redhat.com/security/cve/CVE-2023-6679
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