CVE-2017-18509
Vulnerability from cvelistv5
Published
2019-08-13 13:17
Modified
2024-08-05 21:28
Severity ?
Summary
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.
References
cve@mitre.orghttp://packetstormsecurity.com/files/154059/Slackware-Security-Advisory-Slackware-14.2-kernel-Updates.htmlThird Party Advisory, VDB Entry
cve@mitre.orghttps://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=99253eb750fda6a644d5188fb26c43bad8d5a745Patch, Vendor Advisory
cve@mitre.orghttps://github.com/torvalds/linux/commit/99253eb750fda6a644d5188fb26c43bad8d5a745Patch, Third Party Advisory
cve@mitre.orghttps://lists.debian.org/debian-lts-announce/2019/08/msg00016.htmlMailing List, Third Party Advisory
cve@mitre.orghttps://lists.debian.org/debian-lts-announce/2019/08/msg00017.htmlMailing List, Third Party Advisory
cve@mitre.orghttps://lists.openwall.net/netdev/2017/12/04/40Mailing List, Third Party Advisory
cve@mitre.orghttps://pulsesecurity.co.nz/advisories/linux-kernel-4.9-inetcsklistenstop-gpfExploit, Third Party Advisory
cve@mitre.orghttps://salsa.debian.org/kernel-team/linux/commit/baefcdc2f29923e7325ce4e1a72c3ff0a9800f32Third Party Advisory
cve@mitre.orghttps://seclists.org/bugtraq/2019/Aug/26Mailing List, Third Party Advisory
cve@mitre.orghttps://support.f5.com/csp/article/K41582535Third Party Advisory
cve@mitre.orghttps://support.f5.com/csp/article/K41582535?utm_source=f5support&amp%3Butm_medium=RSS
cve@mitre.orghttps://usn.ubuntu.com/4145-1/Third Party Advisory
cve@mitre.orghttps://www.debian.org/security/2019/dsa-4497Third Party Advisory
Impacted products
n/an/a
Show details on NVD website

To clipboard 

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}


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  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.