CVEvulnerability
CVE-2018-14646
5.5 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2018-11-26
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.0 ([email protected])
- 5.5 MEDIUM — CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- CVSS 3.0 ([email protected])
- 5.5 MEDIUM — CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- CVSS 2.0 ([email protected])
- 4.9 MEDIUM — AV:L/AC:L/Au:N/C:N/I:N/A:C
- Weaknesses
- CWE-476
Description
The Linux kernel before 4.15-rc8 was found to be vulnerable to a NULL pointer dereference bug in the __netlink_ns_capable() function in the net/netlink/af_netlink.c file. A local attacker could exploit this when a net namespace with a netnsid is assigned to cause a kernel panic and a denial of service.
Affected configurations
• linux linux kernel (<= 4.14)
• linux linux kernel 4.15
• redhat enterprise linux desktop 7.0
• redhat enterprise linux server 7.0
• redhat enterprise linux server aus 7.6
• redhat enterprise linux server eus 7.5
• redhat enterprise linux server eus 7.6
• redhat enterprise linux server tus 7.6
• redhat enterprise linux workstation 7.0
Related
Weakness · CWE (1)
- CWE-476 NULL Pointer Dereference weakness
References
- https://access.redhat.com/errata/RHSA-2018:3651 Vendor Advisory
- https://access.redhat.com/errata/RHSA-2018:3666 Vendor Advisory
- https://access.redhat.com/errata/RHSA-2018:3843 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14646 Issue Tracking, Patch, Vendor Advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f428fe4a04cc339166c8bbd489789760de3a0cee Patch, Third Party Advisory
- https://marc.info/?l=linux-netdev&m=151500466401174&w=2 Patch, Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:3651 Vendor Advisory
- https://access.redhat.com/errata/RHSA-2018:3666 Vendor Advisory
- https://access.redhat.com/errata/RHSA-2018:3843 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14646 Issue Tracking, Patch, Vendor Advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f428fe4a04cc339166c8bbd489789760de3a0cee Patch, Third Party Advisory
- https://marc.info/?l=linux-netdev&m=151500466401174&w=2 Patch, Third Party Advisory