Description

The coredump implementation in the Linux kernel before 5.0.10 does not use locking or other mechanisms to prevent vma layout or vma flags changes while it runs, which allows local users to obtain sensitive information, cause a denial of service, or possibly have unspecified other impact by triggering a race condition with mmget_not_zero or get_task_mm calls. This is related to fs/userfaultfd.c, mm/mmap.c, fs/proc/task_mmu.c, and drivers/infiniband/core/uverbs_main.c.

Metrics

CVSS 3.1 7.0/10CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-667

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00014.htmlThird Party Advisory, VDB Entry
http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00025.htmlThird Party Advisory, VDB Entry
http://packetstormsecurity.com/files/152663/Linux-Missing-Lockdown.htmlExploit, Third Party Advisory, VDB Entry
http://packetstormsecurity.com/files/153702/Slackware-Security-Advisory-Slackware-14.2-kernel-Updates.htmlThird Party Advisory, VDB Entry
http://www.openwall.com/lists/oss-security/2019/04/29/1Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2019/04/29/2Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2019/04/30/1Mailing List, Third Party Advisory
http://www.securityfocus.com/bid/108113Third Party Advisory, VDB Entry
https://access.redhat.com/errata/RHSA-2019:2029Third Party Advisory, VDB Entry
https://access.redhat.com/errata/RHSA-2019:2043Third Party Advisory, VDB Entry
https://access.redhat.com/errata/RHSA-2019:3309Third Party Advisory, VDB Entry
https://access.redhat.com/errata/RHSA-2019:3517Third Party Advisory, VDB Entry
https://access.redhat.com/errata/RHSA-2020:0100Third Party Advisory, VDB Entry
https://access.redhat.com/errata/RHSA-2020:0103Third Party Advisory, VDB Entry
https://access.redhat.com/errata/RHSA-2020:0179Third Party Advisory, VDB Entry
https://access.redhat.com/errata/RHSA-2020:0543Third Party Advisory, VDB Entry
https://bugs.chromium.org/p/project-zero/issues/detail?id=1790Exploit, Mailing List, Third Party Advisory
https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.114Mailing List, Vendor Advisory
https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.37Mailing List, Vendor Advisory
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.0.10Mailing List, Vendor Advisory
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=04f5866e41fb70690e28397487d8bd8eea7d712aMailing List, Patch, Vendor Advisory
https://github.com/torvalds/linux/commit/04f5866e41fb70690e28397487d8bd8eea7d712aPatch, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2019/05/msg00041.htmlExploit
https://lists.debian.org/debian-lts-announce/2019/05/msg00042.htmlThird Party Advisory
https://lists.debian.org/debian-lts-announce/2019/06/msg00011.htmlBroken Link
https://seclists.org/bugtraq/2019/Jul/33Mailing List, Third Party Advisory
https://seclists.org/bugtraq/2019/Jun/26Mailing List, Third Party Advisory
https://security.netapp.com/advisory/ntap-20190517-0002/Third Party Advisory
https://security.netapp.com/advisory/ntap-20200608-0001/Third Party Advisory, VDB Entry
https://support.f5.com/csp/article/K51674118Third Party Advisory
https://support.f5.com/csp/article/K51674118?utm_source=f5support&amp%3Butm_medium=RSSThird Party Advisory
https://usn.ubuntu.com/4069-1/Third Party Advisory
https://usn.ubuntu.com/4069-2/Third Party Advisory, VDB Entry
https://usn.ubuntu.com/4095-1/Third Party Advisory, VDB Entry
https://usn.ubuntu.com/4115-1/Third Party Advisory, VDB Entry
https://usn.ubuntu.com/4118-1/Third Party Advisory, VDB Entry
https://www.debian.org/security/2019/dsa-4465Third Party Advisory
https://www.exploit-db.com/exploits/46781/Exploit, Third Party Advisory, VDB Entry
https://www.oracle.com/security-alerts/cpuApr2021.htmlThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00014.htmlThird Party Advisory, VDB Entry
http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00025.htmlThird Party Advisory, VDB Entry
http://packetstormsecurity.com/files/152663/Linux-Missing-Lockdown.htmlExploit, Third Party Advisory, VDB Entry
http://packetstormsecurity.com/files/153702/Slackware-Security-Advisory-Slackware-14.2-kernel-Updates.htmlThird Party Advisory, VDB Entry
http://www.openwall.com/lists/oss-security/2019/04/29/1Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2019/04/29/2Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2019/04/30/1Mailing List, Third Party Advisory
http://www.securityfocus.com/bid/108113Third Party Advisory, VDB Entry
https://access.redhat.com/errata/RHSA-2019:2029Third Party Advisory, VDB Entry
https://access.redhat.com/errata/RHSA-2019:2043Third Party Advisory, VDB Entry
https://access.redhat.com/errata/RHSA-2019:3309Third Party Advisory, VDB Entry
https://access.redhat.com/errata/RHSA-2019:3517Third Party Advisory, VDB Entry
https://access.redhat.com/errata/RHSA-2020:0100Third Party Advisory, VDB Entry
https://access.redhat.com/errata/RHSA-2020:0103Third Party Advisory, VDB Entry
https://access.redhat.com/errata/RHSA-2020:0179Third Party Advisory, VDB Entry
https://access.redhat.com/errata/RHSA-2020:0543Third Party Advisory, VDB Entry
https://bugs.chromium.org/p/project-zero/issues/detail?id=1790Exploit, Mailing List, Third Party Advisory
https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.114Mailing List, Vendor Advisory
https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.37Mailing List, Vendor Advisory
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.0.10Mailing List, Vendor Advisory
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=04f5866e41fb70690e28397487d8bd8eea7d712aMailing List, Patch, Vendor Advisory

Timeline

Published: Apr 29, 2019
Last modified: Jun 17, 2026
NVD status: Modified

CVE-2019-11599