CVE-2019-19462

CVSS V2 Medium 4.9 CVSS V3 Medium 5.5
Description
relay_open in kernel/relay.c in the Linux kernel through 5.4.1 allows local users to cause a denial of service (such as relay blockage) by triggering a NULL alloc_percpu result.
Overview
  • CVE ID
  • CVE-2019-19462
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2019-11-30T01:15:10
  • Last Modified Date
  • 2021-01-29T16:32:40
Weakness Enumerations
CWE URL
CWE-476 http://cwe.mitre.org/data/definitions/476.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 1 OR 5.4.1
cpe:2.3:a:netapp:active_iq_unified_manager:*:*:*:*:*:vmware_vsphere:*:* 1 OR 9.5
cpe:2.3:a:netapp:hci_management_node:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:netapp:solidfire:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:netapp:hci_compute_node:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:netapp:hci_storage_node:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:* 1 OR
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* 1 OR
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* 1 OR
cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:* 1 OR
cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:L/AC:L/Au:N/C:N/I:N/A:C
  • Access Vector
  • LOCAL
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • COMPLETE
  • Base Score
  • 4.9
  • Severity
  • MEDIUM
  • Exploitability Score
  • 3.9
  • Impact Score
  • 6.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
  • Attack Vector
  • LOCAL
  • Attack Compatibility
  • LOW
  • Privileges Required
  • LOW
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • HIGH
  • Base Score
  • 5.5
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 1.8
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://syzkaller-ppc64.appspot.com/bug?id=b05b4d005191cc375cdf848c3d4d980308d50531 Patch Third Party Advisory
https://syzkaller.appspot.com/bug?id=f4d1cb4330bd3ddf4a628332b4285407b2eedd7b Third Party Advisory
https://lore.kernel.org/lkml/20191129013745.7168-1-dja@axtens.net/ Mailing List Patch Vendor Advisory
https://syzkaller.appspot.com/bug?id=e4265490d26d6c01cd9bc79dc915ef0a1bf15046 Third Party Advisory
https://syzkaller-ppc64.appspot.com/bug?id=1c09906c83a8ea811a9e318c2a4f8e243becc6f8 Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/06/msg00012.html Mailing List Third Party Advisory
https://www.debian.org/security/2020/dsa-4699 Third Party Advisory
https://www.debian.org/security/2020/dsa-4698 Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00022.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00008.html Mailing List Third Party Advisory
https://usn.ubuntu.com/4414-1/ Third Party Advisory
https://usn.ubuntu.com/4425-1/ Third Party Advisory
https://usn.ubuntu.com/4439-1/ Third Party Advisory
https://usn.ubuntu.com/4440-1/ Third Party Advisory
https://security.netapp.com/advisory/ntap-20210129-0004/ Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2019-19462
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-19462
History
Created Old Value New Value Data Type Notes
2022-05-10 07:25:33 Added to TrackCVE
2022-12-04 07:13:53 2019-11-30T01:15Z 2019-11-30T01:15:10 CVE Published Date updated
2022-12-04 07:13:53 2021-01-29T16:32:40 CVE Modified Date updated
2022-12-04 07:13:53 Analyzed Vulnerability Status updated