Vulnerability Details : CVE-2023-6679
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.
Vulnerability category: Memory CorruptionDenial of service
Products affected by CVE-2023-6679
- cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2023-6679
0.06%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 16 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2023-6679
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.5
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
1.8
|
3.6
|
NIST | |
|
4.4
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H |
0.8
|
3.6
|
Red Hat, Inc. | |
|
5.5
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
1.8
|
3.6
|
Red Hat, Inc. | 2024-02-06 |
|
4.4
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H |
N/A
|
N/A
|
RedHat-CVE-2023-6679 |
CWE ids for CVE-2023-6679
-
The product dereferences a pointer that it expects to be valid but is NULL.Assigned by:
- nvd@nist.gov (Primary)
- secalert@redhat.com (Secondary)
References for CVE-2023-6679
-
https://bugzilla.redhat.com/show_bug.cgi?id=2253986
2253986 – (CVE-2023-6679) CVE-2023-6679 kernel: NULL pointer dereference in dpll_pin_parent_pin_set() in drivers/dpll/dpll_netlink.cIssue Tracking;Third Party Advisory
-
https://lore.kernel.org/netdev/20231211083758.1082853-1-jiri@resnulli.us/
[patch net] dpll: sanitize possible null pointer dereference in dpll_pin_parent_pin_set() - Jiri PirkoMailing List;Patch;Vendor Advisory
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LBVHM4LGMFIHBN4UBESYRFMYX3WUICV5/
[SECURITY] Fedora 38 Update: kernel-headers-6.7.3-100.fc38 - package-announce - Fedora Mailing-Lists
-
https://access.redhat.com/errata/RHSA-2024:0439
RHSA-2024:0439 - Security Advisory - Red Hat Customer Portal
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/7LSPIOMIJYTLZB6QKPQVVAYSUETUWKPF/
[SECURITY] Fedora 39 Update: kernel-6.7.3-200.fc39 - package-announce - Fedora Mailing-Lists
-
https://access.redhat.com/errata/RHSA-2024:0461
RHSA-2024:0461 - Security Advisory - Red Hat Customer Portal
-
https://access.redhat.com/security/cve/CVE-2023-6679
CVE-2023-6679- Red Hat Customer PortalThird Party Advisory
-
https://access.redhat.com/errata/RHSA-2024:0448
RHSA-2024:0448 - Security Advisory - Red Hat Customer Portal
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