7.8
HIGH
CVE-2019-11487
Linux Kernel FUSE Reference Count Overflow Use-After-Free Vulnerability
Description

The Linux kernel before 5.1-rc5 allows page->_refcount reference count overflow, with resultant use-after-free issues, if about 140 GiB of RAM exists. This is related to fs/fuse/dev.c, fs/pipe.c, fs/splice.c, include/linux/mm.h, include/linux/pipe_fs_i.h, kernel/trace/trace.c, mm/gup.c, and mm/hugetlb.c. It can occur with FUSE requests.

INFO

Published Date :

April 23, 2019, 10:29 p.m.

Last Modified :

Feb. 24, 2023, 6:43 p.m.

Source :

[email protected]

Remotely Exploitable :

No

Impact Score :

5.9

Exploitability Score :

1.8
Public PoC/Exploit Available at Github

CVE-2019-11487 has a 1 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2019-11487 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Linux linux_kernel
1 Canonical ubuntu_linux
1 Debian debian_linux
: Total Affected Vendor : 3 | Products : 3
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2019-11487.

URL Resource
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00039.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00040.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00048.html Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2019/04/29/1 Mailing List Third Party Advisory
http://www.securityfocus.com/bid/108054 Third Party Advisory VDB Entry
https://access.redhat.com/errata/RHSA-2019:2703 Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:2741 Third Party Advisory
https://access.redhat.com/errata/RHSA-2020:0174 Third Party Advisory
https://bugs.chromium.org/p/project-zero/issues/detail?id=1752 Mitigation Exploit Third Party Advisory
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=15fab63e1e57be9fdb5eec1bbc5916e9825e9acb Patch Vendor Advisory
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=6b3a707736301c2128ca85ce85fb13f60b5e350a Patch Vendor Advisory
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=88b1a17dfc3ed7728316478fae0f5ad508f50397 Patch Vendor Advisory
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=8fde12ca79aff9b5ba951fce1a2641901b8d8e64 Patch Vendor Advisory
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f958d7b528b1b40c44cfda5eabe2d82760d868c3 Patch Vendor Advisory
https://github.com/torvalds/linux/commit/15fab63e1e57be9fdb5eec1bbc5916e9825e9acb Patch Third Party Advisory
https://github.com/torvalds/linux/commit/6b3a707736301c2128ca85ce85fb13f60b5e350a Patch Third Party Advisory
https://github.com/torvalds/linux/commit/88b1a17dfc3ed7728316478fae0f5ad508f50397 Patch Third Party Advisory
https://github.com/torvalds/linux/commit/8fde12ca79aff9b5ba951fce1a2641901b8d8e64 Patch Third Party Advisory
https://github.com/torvalds/linux/commit/f958d7b528b1b40c44cfda5eabe2d82760d868c3 Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2019/09/msg00014.html Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2019/09/msg00015.html Mailing List Third Party Advisory
https://lwn.net/Articles/786044/ Exploit Third Party Advisory
https://security.netapp.com/advisory/ntap-20190517-0005/ Third Party Advisory
https://support.f5.com/csp/article/K14255532 Third Party Advisory
https://usn.ubuntu.com/4069-1/ Third Party Advisory
https://usn.ubuntu.com/4069-2/ Third Party Advisory
https://usn.ubuntu.com/4115-1/ Third Party Advisory
https://usn.ubuntu.com/4118-1/ Third Party Advisory
https://usn.ubuntu.com/4145-1/ Third Party Advisory
https://www.oracle.com/security-alerts/cpuApr2021.html Third Party Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

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vincent-deng/veracode-container-security-finding-parser

Map Vulnerabilities into Different Layers of the Container Image

Python

Updated: 1 year, 9 months ago
1 stars 0 fork 0 watcher
Born at : Oct. 5, 2022, 12:07 p.m. This repo has been linked 1276 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2019-11487 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2019-11487 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Modified Analysis by [email protected]

    Feb. 24, 2023

    Action Type Old Value New Value
    Removed CVSS V3 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00039.html No Types Assigned http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00039.html Mailing List, Third Party Advisory
    Changed Reference Type http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00040.html No Types Assigned http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00040.html Mailing List, Third Party Advisory
    Changed Reference Type http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00048.html No Types Assigned http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00048.html Mailing List, Third Party Advisory
    Changed Reference Type http://www.openwall.com/lists/oss-security/2019/04/29/1 Third Party Advisory http://www.openwall.com/lists/oss-security/2019/04/29/1 Mailing List, Third Party Advisory
    Changed Reference Type http://www.securityfocus.com/bid/108054 Third Party Advisory http://www.securityfocus.com/bid/108054 Third Party Advisory, VDB Entry
    Changed Reference Type https://access.redhat.com/errata/RHSA-2019:2703 No Types Assigned https://access.redhat.com/errata/RHSA-2019:2703 Third Party Advisory
    Changed Reference Type https://access.redhat.com/errata/RHSA-2019:2741 No Types Assigned https://access.redhat.com/errata/RHSA-2019:2741 Third Party Advisory
    Changed Reference Type https://access.redhat.com/errata/RHSA-2020:0174 No Types Assigned https://access.redhat.com/errata/RHSA-2020:0174 Third Party Advisory
    Changed Reference Type https://lists.debian.org/debian-lts-announce/2019/09/msg00014.html No Types Assigned https://lists.debian.org/debian-lts-announce/2019/09/msg00014.html Mailing List, Third Party Advisory
    Changed Reference Type https://lists.debian.org/debian-lts-announce/2019/09/msg00015.html No Types Assigned https://lists.debian.org/debian-lts-announce/2019/09/msg00015.html Mailing List, Third Party Advisory
    Changed Reference Type https://security.netapp.com/advisory/ntap-20190517-0005/ No Types Assigned https://security.netapp.com/advisory/ntap-20190517-0005/ Third Party Advisory
    Changed Reference Type https://support.f5.com/csp/article/K14255532 No Types Assigned https://support.f5.com/csp/article/K14255532 Third Party Advisory
    Changed Reference Type https://usn.ubuntu.com/4069-1/ No Types Assigned https://usn.ubuntu.com/4069-1/ Third Party Advisory
    Changed Reference Type https://usn.ubuntu.com/4069-2/ No Types Assigned https://usn.ubuntu.com/4069-2/ Third Party Advisory
    Changed Reference Type https://usn.ubuntu.com/4115-1/ No Types Assigned https://usn.ubuntu.com/4115-1/ Third Party Advisory
    Changed Reference Type https://usn.ubuntu.com/4118-1/ No Types Assigned https://usn.ubuntu.com/4118-1/ Third Party Advisory
    Changed Reference Type https://usn.ubuntu.com/4145-1/ No Types Assigned https://usn.ubuntu.com/4145-1/ Third Party Advisory
    Changed Reference Type https://www.oracle.com/security-alerts/cpuApr2021.html No Types Assigned https://www.oracle.com/security-alerts/cpuApr2021.html Third Party Advisory
    Changed CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:5.1:rc1:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:5.1:rc2:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:5.1:rc3:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:5.1:rc4:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (including) 5.1 OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (excluding) 4.4.216 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.5 up to (excluding) 4.9.181 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.10 up to (excluding) 4.14.116 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.15 up to (excluding) 4.19.39 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.20 up to (excluding) 5.0.12 *cpe:2.3:o:linux:linux_kernel:5.1:rc1:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:5.1:rc2:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:5.1:rc3:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:5.1:rc4:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:19.04:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Jun. 14, 2021

    Action Type Old Value New Value
    Added Reference https://www.oracle.com/security-alerts/cpuApr2021.html [No Types Assigned]
  • CVE Modified by [email protected]

    Jan. 21, 2020

    Action Type Old Value New Value
    Added Reference https://access.redhat.com/errata/RHSA-2020:0174 [No Types Assigned]
  • CVE Modified by [email protected]

    Oct. 01, 2019

    Action Type Old Value New Value
    Added Reference https://usn.ubuntu.com/4145-1/ [No Types Assigned]
  • CVE Modified by [email protected]

    Sep. 15, 2019

    Action Type Old Value New Value
    Added Reference https://lists.debian.org/debian-lts-announce/2019/09/msg00015.html [No Types Assigned]
  • CVE Modified by [email protected]

    Sep. 14, 2019

    Action Type Old Value New Value
    Added Reference https://lists.debian.org/debian-lts-announce/2019/09/msg00014.html [No Types Assigned]
  • CVE Modified by [email protected]

    Sep. 11, 2019

    Action Type Old Value New Value
    Added Reference https://access.redhat.com/errata/RHSA-2019:2741 [No Types Assigned]
  • CVE Modified by [email protected]

    Sep. 10, 2019

    Action Type Old Value New Value
    Added Reference https://access.redhat.com/errata/RHSA-2019:2703 [No Types Assigned]
  • CVE Modified by [email protected]

    Sep. 03, 2019

    Action Type Old Value New Value
    Added Reference https://usn.ubuntu.com/4115-1/ [No Types Assigned]
    Added Reference https://usn.ubuntu.com/4118-1/ [No Types Assigned]
  • CVE Modified by [email protected]

    Aug. 01, 2019

    Action Type Old Value New Value
    Added Reference https://usn.ubuntu.com/4069-2/ [No Types Assigned]
  • CVE Modified by [email protected]

    Jul. 23, 2019

    Action Type Old Value New Value
    Added Reference https://usn.ubuntu.com/4069-1/ [No Types Assigned]
  • CVE Modified by [email protected]

    Jun. 28, 2019

    Action Type Old Value New Value
    Added Reference https://support.f5.com/csp/article/K14255532 [No Types Assigned]
  • CVE Modified by [email protected]

    Jun. 19, 2019

    Action Type Old Value New Value
    Added Reference http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00048.html [No Types Assigned]
  • CVE Modified by [email protected]

    Jun. 18, 2019

    Action Type Old Value New Value
    Added Reference http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00040.html [No Types Assigned]
  • CVE Modified by [email protected]

    Jun. 18, 2019

    Action Type Old Value New Value
    Added Reference http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00039.html [No Types Assigned]
  • CVE Modified by [email protected]

    May. 17, 2019

    Action Type Old Value New Value
    Added Reference https://security.netapp.com/advisory/ntap-20190517-0005/ [No Types Assigned]
  • Initial Analysis by [email protected]

    Apr. 30, 2019

    Action Type Old Value New Value
    Added CVSS V2 (AV:L/AC:L/Au:N/C:C/I:C/A:C)
    Added CVSS V3 AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type http://www.openwall.com/lists/oss-security/2019/04/29/1 No Types Assigned http://www.openwall.com/lists/oss-security/2019/04/29/1 Third Party Advisory
    Changed Reference Type https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=15fab63e1e57be9fdb5eec1bbc5916e9825e9acb No Types Assigned https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=15fab63e1e57be9fdb5eec1bbc5916e9825e9acb Patch, Vendor Advisory
    Changed Reference Type https://github.com/torvalds/linux/commit/88b1a17dfc3ed7728316478fae0f5ad508f50397 No Types Assigned https://github.com/torvalds/linux/commit/88b1a17dfc3ed7728316478fae0f5ad508f50397 Patch, Third Party Advisory
    Changed Reference Type https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f958d7b528b1b40c44cfda5eabe2d82760d868c3 No Types Assigned https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f958d7b528b1b40c44cfda5eabe2d82760d868c3 Patch, Vendor Advisory
    Changed Reference Type https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=88b1a17dfc3ed7728316478fae0f5ad508f50397 No Types Assigned https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=88b1a17dfc3ed7728316478fae0f5ad508f50397 Patch, Vendor Advisory
    Changed Reference Type http://www.securityfocus.com/bid/108054 No Types Assigned http://www.securityfocus.com/bid/108054 Third Party Advisory
    Changed Reference Type https://github.com/torvalds/linux/commit/6b3a707736301c2128ca85ce85fb13f60b5e350a No Types Assigned https://github.com/torvalds/linux/commit/6b3a707736301c2128ca85ce85fb13f60b5e350a Patch, Third Party Advisory
    Changed Reference Type https://bugs.chromium.org/p/project-zero/issues/detail?id=1752 No Types Assigned https://bugs.chromium.org/p/project-zero/issues/detail?id=1752 Exploit, Mitigation, Third Party Advisory
    Changed Reference Type https://github.com/torvalds/linux/commit/f958d7b528b1b40c44cfda5eabe2d82760d868c3 No Types Assigned https://github.com/torvalds/linux/commit/f958d7b528b1b40c44cfda5eabe2d82760d868c3 Patch, Third Party Advisory
    Changed Reference Type https://github.com/torvalds/linux/commit/15fab63e1e57be9fdb5eec1bbc5916e9825e9acb No Types Assigned https://github.com/torvalds/linux/commit/15fab63e1e57be9fdb5eec1bbc5916e9825e9acb Patch, Third Party Advisory
    Changed Reference Type https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=6b3a707736301c2128ca85ce85fb13f60b5e350a No Types Assigned https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=6b3a707736301c2128ca85ce85fb13f60b5e350a Patch, Vendor Advisory
    Changed Reference Type https://github.com/torvalds/linux/commit/8fde12ca79aff9b5ba951fce1a2641901b8d8e64 No Types Assigned https://github.com/torvalds/linux/commit/8fde12ca79aff9b5ba951fce1a2641901b8d8e64 Patch, Third Party Advisory
    Changed Reference Type https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=8fde12ca79aff9b5ba951fce1a2641901b8d8e64 No Types Assigned https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=8fde12ca79aff9b5ba951fce1a2641901b8d8e64 Patch, Vendor Advisory
    Changed Reference Type https://lwn.net/Articles/786044/ No Types Assigned https://lwn.net/Articles/786044/ Exploit, Third Party Advisory
    Added CWE CWE-416
    Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (including) 5.1 *cpe:2.3:o:linux:linux_kernel:5.1:rc1:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:5.1:rc2:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:5.1:rc3:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:5.1:rc4:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Apr. 29, 2019

    Action Type Old Value New Value
    Added Reference http://www.openwall.com/lists/oss-security/2019/04/29/1 [No Types Assigned]
  • CVE Modified by [email protected]

    Apr. 24, 2019

    Action Type Old Value New Value
    Added Reference http://www.securityfocus.com/bid/108054 [No Types Assigned]
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2019-11487 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2019-11487 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.16 }} 0.05%

score

0.51894

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
: