cve-2017-15129
Vulnerability from cvelistv5
Published
2018-01-09 19:00
Modified
2024-08-05 19:50
Severity ?
Summary
A use-after-free vulnerability was found in network namespaces code affecting the Linux kernel before 4.14.11. The function get_net_ns_by_id() in net/core/net_namespace.c does not check for the net::count value after it has found a peer network in netns_ids idr, which could lead to double free and memory corruption. This vulnerability could allow an unprivileged local user to induce kernel memory corruption on the system, leading to a crash. Due to the nature of the flaw, privilege escalation cannot be fully ruled out, although it is thought to be unlikely.
References
secalert@redhat.comhttp://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=21b5944350052d2583e82dd59b19a9ba94a007f0Patch
secalert@redhat.comhttp://seclists.org/oss-sec/2018/q1/7Mailing List, Third Party Advisory
secalert@redhat.comhttp://www.securityfocus.com/bid/102485Broken Link
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2018:0654Third Party Advisory
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2018:0676Third Party Advisory
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2018:1062Third Party Advisory
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2019:1946Third Party Advisory
secalert@redhat.comhttps://access.redhat.com/security/cve/CVE-2017-15129Third Party Advisory
secalert@redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=1531174Issue Tracking, Patch, Third Party Advisory
secalert@redhat.comhttps://github.com/torvalds/linux/commit/21b5944350052d2583e82dd59b19a9ba94a007f0Patch
secalert@redhat.comhttps://marc.info/?l=linux-netdev&m=151370451121029&w=2Mailing List, Patch, Third Party Advisory
secalert@redhat.comhttps://marc.info/?t=151370468900001&r=1&w=2Mailing List, Third Party Advisory
secalert@redhat.comhttps://usn.ubuntu.com/3617-1/Third Party Advisory
secalert@redhat.comhttps://usn.ubuntu.com/3617-2/Third Party Advisory
secalert@redhat.comhttps://usn.ubuntu.com/3617-3/Third Party Advisory
secalert@redhat.comhttps://usn.ubuntu.com/3619-1/Third Party Advisory
secalert@redhat.comhttps://usn.ubuntu.com/3619-2/Third Party Advisory
secalert@redhat.comhttps://usn.ubuntu.com/3632-1/Third Party Advisory
secalert@redhat.comhttps://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.11Release Notes
af854a3a-2127-422b-91ae-364da2661108http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=21b5944350052d2583e82dd59b19a9ba94a007f0Patch
af854a3a-2127-422b-91ae-364da2661108http://seclists.org/oss-sec/2018/q1/7Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/102485Broken Link
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2018:0654Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2018:0676Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2018:1062Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2019:1946Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/security/cve/CVE-2017-15129Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=1531174Issue Tracking, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/torvalds/linux/commit/21b5944350052d2583e82dd59b19a9ba94a007f0Patch
af854a3a-2127-422b-91ae-364da2661108https://marc.info/?l=linux-netdev&m=151370451121029&w=2Mailing List, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://marc.info/?t=151370468900001&r=1&w=2Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/3617-1/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/3617-2/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/3617-3/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/3619-1/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/3619-2/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/3632-1/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.11Release Notes
Impacted products
Vendor Product Version
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Due to the nature of the flaw, privilege escalation cannot be fully ruled out, although it is thought to be unlikely.\"},{\"lang\":\"es\",\"value\":\"Se ha descubierto una vulnerabilidad en los nombres de espacio de red que afecta al kernel de Linux en versiones anteriores a la 4.14.11. La funci\u00f3n get_net_ns_by_id() en net/core/net_namespace.c no verifica el valor net::count una vez que ha encontrado una red peer en el ids netns_ids, lo que podr\u00eda conducir a una doble liberaci\u00f3n (double free) y a una corrupci\u00f3n de memoria. Esta vulnerabilidad podr\u00eda permitir que un usuario local sin privilegios provoque una corrupci\u00f3n de memoria en el sistema, desembocando en un cierre inesperado. Debido a la naturaleza del error, no puede descartarse totalmente el escalado de privilegios, aunque se cree que es 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  }
}


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  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
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