CVE-2023-3106
Last modified
CVE-2023-3106 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. A NULL pointer dereference vulnerability was found in netlink_dump. This issue can occur when the Netlink socket receives the message(sendmsg) for the XFRM_MSG_GETSA, XFRM_MSG_GETPOLICY type message, and the DUMP flag is set and can cause a denial of service or possibly another unspecified impact. EPSS estimates a 0.28% chance of exploitation in the next 30 days.
Description
A NULL pointer dereference vulnerability was found in netlink_dump. This issue can occur when the Netlink socket receives the message(sendmsg) for the XFRM_MSG_GETSA, XFRM_MSG_GETPOLICY type message, and the DUMP flag is set and can cause a denial of service or possibly another unspecified impact. Due to the nature of the flaw, privilege escalation cannot be fully ruled out, although it is unlikely.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Linux | Linux Kernel | >= 3.15, < 3.16.39 | — |
| Linux | Linux Kernel | >= 3.17, < 4.4.223 | — |
| Linux | Linux Kernel | >= 4.5, < 4.7.10 | — |
| Linux | Linux Kernel | 4.8 | Rc1 |
| Fedoraproject | Fedora | 38 | — |
References
- https://access.redhat.com/security/cve/CVE-2023-3106Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2221501Issue Tracking, Patch, Third Party Advisory
- https://access.redhat.com/security/cve/CVE-2023-3106Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2221501Issue Tracking, Patch, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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