CVE-2019-19807

CVSS V2 High 7.2 CVSS V3 High 7.8
Description
In the Linux kernel before 5.3.11, sound/core/timer.c has a use-after-free caused by erroneous code refactoring, aka CID-e7af6307a8a5. This is related to snd_timer_open and snd_timer_close_locked. The timeri variable was originally intended to be for a newly created timer instance, but was used for a different purpose after refactoring.
Overview
  • CVE ID
  • CVE-2019-19807
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2019-12-15T23:15:11
  • Last Modified Date
  • 2023-01-17T21:31:24
Weakness Enumerations
CWE URL
CWE-416 http://cwe.mitre.org/data/definitions/416.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 1 OR 5.3.11
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:19.10:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:L/AC:L/Au:N/C:C/I:C/A:C
  • Access Vector
  • LOCAL
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • COMPLETE
  • Integrity Impact
  • COMPLETE
  • Availability Impact
  • COMPLETE
  • Base Score
  • 7.2
  • Severity
  • HIGH
  • Exploitability Score
  • 3.9
  • Impact Score
  • 10
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • Attack Vector
  • LOCAL
  • Attack Compatibility
  • LOW
  • Privileges Required
  • LOW
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 7.8
  • Base Severity
  • HIGH
  • Exploitability Score
  • 1.8
  • Impact Score
  • 5.9
References
Reference URL Reference Tags
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.3.11 Release Notes Vendor Advisory
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=e7af6307a8a54f0b873960b32b6a644f2d0fbd97 Exploit Patch Vendor Advisory
https://github.com/torvalds/linux/commit/e7af6307a8a54f0b873960b32b6a644f2d0fbd97 Patch Third Party Advisory
https://security.netapp.com/advisory/ntap-20200103-0001/ Third Party Advisory
https://usn.ubuntu.com/4227-1/ Third Party Advisory
https://usn.ubuntu.com/4225-1/ Third Party Advisory
https://usn.ubuntu.com/4227-2/ Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2019-19807
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-19807
History
Created Old Value New Value Data Type Notes
2022-05-10 16:52:01 Added to TrackCVE
2022-12-04 07:54:53 2019-12-15T23:15Z 2019-12-15T23:15:11 CVE Published Date updated
2022-12-04 07:54:53 2020-01-30T16:50:45 CVE Modified Date updated
2022-12-04 07:54:53 Undergoing Analysis Vulnerability Status updated
2023-01-17 22:12:36 2023-01-17T21:31:24 CVE Modified Date updated
2023-01-17 22:12:36 Undergoing Analysis Analyzed Vulnerability Status updated