Vulnerability Name:

CVE-2019-16089 (CCN-167083)

Assigned:2019-07-29
Published:2019-07-29
Updated:2020-08-04
Summary:An issue was discovered in the Linux kernel through 5.2.13. nbd_genl_status in drivers/block/nbd.c does not check the nla_nest_start_noflag return value.
CVSS v3 Severity:4.1 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H)
3.6 Low (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:H/PR:H/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): High
Privileges Required (PR): High
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
4.0 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N)
3.5 Low (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/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): Low
Availibility (A): None
CVSS v2 Severity:4.7 Medium (CVSS v2 Vector: AV:L/AC:M/Au:N/C:N/I:N/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
2.1 Low (CCN CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): None
Vulnerability Type:CWE-476
Vulnerability Consequences:Unknown
References:Source: MITRE
Type: CNA
CVE-2019-16089

Source: XF
Type: UNKNOWN
linux-kernel-cve201916089-unspecified(167083)

Source: CCN
Type: Linux Kernel Mailing List, July 29, 2019, 4:42 p.m.
[v2] nbd_genl_status: null check for nla_nest_start

Source: MISC
Type: Mailing List, Patch, Vendor Advisory
https://lore.kernel.org/patchwork/patch/1106884/

Source: MISC
Type: Patch, Vendor Advisory
https://lore.kernel.org/patchwork/patch/1126650/

Source: CONFIRM
Type: Third Party Advisory
https://security.netapp.com/advisory/ntap-20191004-0001/

Source: CONFIRM
Type: Third Party Advisory
https://support.f5.com/csp/article/K03814795?utm_source=f5support&utm_medium=RSS

Source: UBUNTU
Type: UNKNOWN
USN-4414-1

Source: UBUNTU
Type: UNKNOWN
USN-4425-1

Source: UBUNTU
Type: UNKNOWN
USN-4439-1

Source: UBUNTU
Type: UNKNOWN
USN-4440-1

Vulnerable Configuration:Configuration 1:
  • cpe:/o:linux:linux_kernel:*:*:*:*:*:*:*:* (Version <= 5.2.13)

    • Configuration CCN 1:
  • cpe:/o:linux:linux_kernel:5.2.13:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.disco:def:2019160890000000
    V
    		CVE-2019-16089 on Ubuntu 19.04 (disco) - low.
    2019-09-06
    oval:com.ubuntu.bionic:def:2019160890000000
    V
    		CVE-2019-16089 on Ubuntu 18.04 LTS (bionic) - low.
    2019-09-06
    oval:com.ubuntu.xenial:def:2019160890000000
    V
    		CVE-2019-16089 on Ubuntu 16.04 LTS (xenial) - low.
    2019-09-06
    BACK
    linux linux kernel *
    linux linux kernel 5.2.13