CVEvulnerability
CVE-2018-1065
4.7 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2018-03-02
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.0 ([email protected])
- 4.7 MEDIUM — CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
- CVSS 2.0 ([email protected])
- 4.7 MEDIUM — AV:L/AC:M/Au:N/C:N/I:N/A:C
- Weaknesses
- CWE-476
Description
The netfilter subsystem in the Linux kernel through 4.15.7 mishandles the case of a rule blob that contains a jump but lacks a user-defined chain, which allows local users to cause a denial of service (NULL pointer dereference) by leveraging the CAP_NET_RAW or CAP_NET_ADMIN capability, related to arpt_do_table in net/ipv4/netfilter/arp_tables.c, ipt_do_table in net/ipv4/netfilter/ip_tables.c, and ip6t_do_table in net/ipv6/netfilter/ip6_tables.c.
Affected configurations
• linux linux kernel (<= 4.15.7)
Related
Weakness · CWE (1)
- CWE-476 NULL Pointer Dereference weakness
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=57ebd808a97d7c5b1e1afb937c2db22beba3c1f8 Patch, Vendor Advisory
- http://lists.openwall.net/netdev/2018/01/27/46 Third Party Advisory
- http://patchwork.ozlabs.org/patch/870355/ Patch, Third Party Advisory
- http://www.securitytracker.com/id/1040446 Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2018:2948 access.redhat.com
- https://bugzilla.redhat.com/show_bug.cgi?id=1547824 Issue Tracking, Third Party Advisory
- https://github.com/torvalds/linux/commit/57ebd808a97d7c5b1e1afb937c2db22beba3c1f8 Patch, Third Party Advisory
- https://usn.ubuntu.com/3654-1/ usn.ubuntu.com
- https://usn.ubuntu.com/3654-2/ usn.ubuntu.com
- https://usn.ubuntu.com/3656-1/ usn.ubuntu.com
- https://www.debian.org/security/2018/dsa-4188 www.debian.org
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=57ebd808a97d7c5b1e1afb937c2db22beba3c1f8 Patch, Vendor Advisory
- http://lists.openwall.net/netdev/2018/01/27/46 Third Party Advisory
- http://patchwork.ozlabs.org/patch/870355/ Patch, Third Party Advisory
- http://www.securitytracker.com/id/1040446 Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2018:2948 access.redhat.com
- https://bugzilla.redhat.com/show_bug.cgi?id=1547824 Issue Tracking, Third Party Advisory
- https://github.com/torvalds/linux/commit/57ebd808a97d7c5b1e1afb937c2db22beba3c1f8 Patch, Third Party Advisory
- https://usn.ubuntu.com/3654-1/ usn.ubuntu.com
- https://usn.ubuntu.com/3654-2/ usn.ubuntu.com
- https://usn.ubuntu.com/3656-1/ usn.ubuntu.com
- https://www.debian.org/security/2018/dsa-4188 www.debian.org