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This CVE record has been updated after NVD enrichment efforts were completed. Enrichment data supplied by the NVD may require amendment due to these changes.
Description
An issue was discovered in net/ipv6/ip6mr.c in the Linux kernel before 4.11. By setting a specific socket option, an attacker can control a pointer in kernel land and cause an inet_csk_listen_stop general protection fault, or potentially execute arbitrary code under certain circumstances. The issue can be triggered as root (e.g., inside a default LXC container or with the CAP_NET_ADMIN capability) or after namespace unsharing. This occurs because sk_type and protocol are not checked in the appropriate part of the ip6_mroute_* functions. NOTE: this affects Linux distributions that use 4.9.x longterm kernels before 4.9.187.
Metrics
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OR
*cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (excluding) 4.11
OR
*cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (excluding) 3.16.72
*cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 3.17 up to (excluding) 4.4.187
*cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.5 up to (excluding) 4.9.187
*cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.10 up to (excluding) 4.11
Modified Analysis by NIST11/09/2020 4:46:49 PM
Action
Type
Old Value
New Value
Added
CVSS V3.1
NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Removed
CVSS V3
NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Changed
CPE Configuration
OR
*cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
*cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
*cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
OR
*cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
*cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
*cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
*cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
Changed
Reference Type
https://salsa.debian.org/kernel-team/linux/commit/baefcdc2f29923e7325ce4e1a72c3ff0a9800f32 Patch, Third Party Advisory
https://salsa.debian.org/kernel-team/linux/commit/baefcdc2f29923e7325ce4e1a72c3ff0a9800f32 Third Party Advisory
Changed
Reference Type
https://support.f5.com/csp/article/K41582535 No Types Assigned
https://support.f5.com/csp/article/K41582535 Third Party Advisory
Changed
Reference Type
https://support.f5.com/csp/article/K41582535?utm_source=f5support&utm_medium=RSS No Types Assigned
https://support.f5.com/csp/article/K41582535?utm_source=f5support&utm_medium=RSS Third Party Advisory
Changed
Reference Type
https://usn.ubuntu.com/4145-1/ No Types Assigned
https://usn.ubuntu.com/4145-1/ Third Party Advisory
https://github.com/torvalds/linux/commit/99253eb750fda6a644d5188fb26c43bad8d5a745 No Types Assigned
https://github.com/torvalds/linux/commit/99253eb750fda6a644d5188fb26c43bad8d5a745 Patch, Third Party Advisory
Changed
Reference Type
https://lists.debian.org/debian-lts-announce/2019/08/msg00016.html No Types Assigned
https://lists.debian.org/debian-lts-announce/2019/08/msg00016.html Mailing List, Third Party Advisory
Changed
Reference Type
https://lists.debian.org/debian-lts-announce/2019/08/msg00017.html No Types Assigned
https://lists.debian.org/debian-lts-announce/2019/08/msg00017.html Mailing List, Third Party Advisory
Changed
Reference Type
https://lists.openwall.net/netdev/2017/12/04/40 No Types Assigned
https://lists.openwall.net/netdev/2017/12/04/40 Mailing List, Third Party Advisory
Changed
Reference Type
https://pulsesecurity.co.nz/advisories/linux-kernel-4.9-inetcsklistenstop-gpf No Types Assigned
https://pulsesecurity.co.nz/advisories/linux-kernel-4.9-inetcsklistenstop-gpf Exploit, Third Party Advisory
Changed
Reference Type
https://salsa.debian.org/kernel-team/linux/commit/baefcdc2f29923e7325ce4e1a72c3ff0a9800f32 No Types Assigned
https://salsa.debian.org/kernel-team/linux/commit/baefcdc2f29923e7325ce4e1a72c3ff0a9800f32 Patch, Third Party Advisory
Changed
Reference Type
https://seclists.org/bugtraq/2019/Aug/26 No Types Assigned
https://seclists.org/bugtraq/2019/Aug/26 Mailing List, Third Party Advisory
Changed
Reference Type
https://www.debian.org/security/2019/dsa-4497 No Types Assigned
https://www.debian.org/security/2019/dsa-4497 Third Party Advisory
CVE Modified by MITRE8/19/2019 12:15:10 AM
Action
Type
Old Value
New Value
Changed
Description
An issue was discovered in net/ipv6/ip6mr.c in the Linux kernel before 4.11. By setting a specific socket option, an attacker can control a pointer in kernel land and cause an inet_csk_listen_stop general protection fault, or potentially execute arbitrary code under certain circumstances. The issue can be triggered as root (e.g., inside a default LXC container or with the CAP_NET_ADMIN capability) or after namespace unsharing. This occurs because sk_type and protocol are not checked in the appropriate part of the ip6_mroute_* functions. NOTE: this affects Linux distributions that use 4.9.x longterm kernels.
An issue was discovered in net/ipv6/ip6mr.c in the Linux kernel before 4.11. By setting a specific socket option, an attacker can control a pointer in kernel land and cause an inet_csk_listen_stop general protection fault, or potentially execute arbitrary code under certain circumstances. The issue can be triggered as root (e.g., inside a default LXC container or with the CAP_NET_ADMIN capability) or after namespace unsharing. This occurs because sk_type and protocol are not checked in the appropriate part of the ip6_mroute_* functions. NOTE: this affects Linux distributions that use 4.9.x longterm kernels before 4.9.187.
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