Vulnerability Name:

CVE-2019-12379 (CCN-161702)

Assigned:2019-05-24
Published:2019-05-24
Updated:2020-08-24
Summary:** DISPUTED ** An issue was discovered in con_insert_unipair in drivers/tty/vt/consolemap.c in the Linux kernel through 5.1.5. There is a memory leak in a certain case of an ENOMEM outcome of kmalloc.
Note: This id is disputed as not being an issue.
CVSS v3 Severity:5.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)
4.8 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
6.2 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
5.4 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
CVSS v2 Severity:4.9 Medium (CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:N/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
4.9 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:N/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
Vulnerability Type:CWE-401
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2019-12379

Source: BID
Type: Third Party Advisory, VDB Entry
108478

Source: XF
Type: UNKNOWN
linux-kernel-cve201912379-dos(161702)

Source: CCN
Type: Linux Kernel GIT Repository
consolemap: Fix a memory leaking bug in drivers/tty/vt/consolemap.c

Source: MISC
Type: Mailing List, Patch, Vendor Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty.git/commit/?h=tty-next&id=84ecc2f6eb1cb12e6d44818f94fa49b50f06e6ac

Source: MISC
Type: UNKNOWN
https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty.git/commit/?h=tty-testing&id=15b3cd8ef46ad1b100e0d3c7e38774f330726820

Source: FEDORA
Type: UNKNOWN
FEDORA-2019-f40bd7826f

Source: FEDORA
Type: UNKNOWN
FEDORA-2019-7ec378191e

Source: CONFIRM
Type: UNKNOWN
https://security.netapp.com/advisory/ntap-20190710-0002/

Vulnerable Configuration:Configuration 1:
  • cpe:/o:linux:linux_kernel:*:*:*:*:*:*:*:* (Version <= 5.1.5)

    • Configuration CCN 1:
  • cpe:/o:linux:linux_kernel:5.1.5:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.cosmic:def:2019123790000000
    V
    		CVE-2019-12379 on Ubuntu 18.10 (cosmic) - low.
    2019-05-27
    oval:com.ubuntu.bionic:def:2019123790000000
    V
    		CVE-2019-12379 on Ubuntu 18.04 LTS (bionic) - low.
    2019-05-27
    oval:com.ubuntu.xenial:def:2019123790000000
    V
    		CVE-2019-12379 on Ubuntu 16.04 LTS (xenial) - low.
    2019-05-27
    oval:com.ubuntu.disco:def:2019123790000000
    V
    		CVE-2019-12379 on Ubuntu 19.04 (disco) - low.
    2019-05-27
    BACK
    linux linux kernel *
    linux linux kernel 5.1.5