Medium severity · published Dec 11, 2023
CVE-2023-6679
Kernel: null pointer dereference in dpll_pin_parent_pin_set() in drivers/dpll/dpll_netlink.c
5.5
CVSS
0.3%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 24% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
KE
Kernel · Linux
All versions, or not specified · source: NVD
RH
Red Hat Enterprise Linux 9 · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat Enterprise Linux 9.2 Extended Update Support · Red Hat
All versions, or not specified · source: vendor
EL
Enterprise Linux · Redhat
9.0 · source: NVD
FE
Fedora · Fedoraproject
38 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-6679
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-6679
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
Third Party Advisory
https://access.redhat.com/security/cve/CVE-2023-6679
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=2253986
Mailing List
https://lore.kernel.org/netdev/20231211083758.1082853-1-jiri@resnulli.us/
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