Vulnerability Name:

CVE-2019-19378 (CCN-172353)

Assigned:2019-11-28
Published:2019-11-28
Updated:2020-01-03
Summary:In the Linux kernel 5.0.21, mounting a crafted btrfs filesystem image can lead to slab-out-of-bounds write access in index_rbio_pages in fs/btrfs/raid56.c.
CVSS v3 Severity:7.8 High (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
6.9 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:U/RC:R)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
8.4 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
7.4 High (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:U/RC:R)
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): High
Integrity (I): High
Availibility (A): High
CVSS v2 Severity:6.8 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
7.2 High (CCN CVSS v2 Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Type:CWE-787
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2019-19378

Source: XF
Type: UNKNOWN
linux-kernel-cve201919378-code-exec(172353)

Source: CCN
Type: GITHub Web site
CVE-2019-19378

Source: MISC
Type: Exploit, Third Party Advisory
https://github.com/bobfuzzer/CVE/tree/master/CVE-2019-19378

Source: CONFIRM
Type: UNKNOWN
https://security.netapp.com/advisory/ntap-20200103-0001/

Source: CCN
Type: IBM Security Bulletin 6370521 (Netezza Host Management)
Publicly disclosed vulnerabilities from Kernel affect IBM Netezza Host Management

Source: CCN
Type: Linux kernel Web site
The Linux Kernel Archives

Vulnerable Configuration:Configuration 1:
  • cpe:/o:linux:linux_kernel:5.0.21:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/o:linux:linux_kernel:5.0.21:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.disco:def:2019193780000000
    V
    		CVE-2019-19378 on Ubuntu 19.04 (disco) - medium.
    2019-12-02
    oval:com.ubuntu.bionic:def:2019193780000000
    V
    		CVE-2019-19378 on Ubuntu 18.04 LTS (bionic) - medium.
    2019-12-02
    oval:com.ubuntu.xenial:def:2019193780000000
    V
    		CVE-2019-19378 on Ubuntu 16.04 LTS (xenial) - medium.
    2019-12-02
    BACK
    linux linux kernel 5.0.21
    linux linux kernel 5.0.21