Vulnerability Name:

CVE-2019-19059 (CCN-171767)

Assigned:2019-09-27
Published:2019-09-27
Updated:2020-08-24
Summary:Multiple memory leaks in the iwl_pcie_ctxt_info_gen3_init() function in drivers/net/wireless/intel/iwlwifi/pcie/ctxt-info-gen3.c in the Linux kernel through 5.3.11 allow attackers to cause a denial of service (memory consumption) by triggering iwl_pcie_init_fw_sec() or dma_alloc_coherent() failures, aka CID-0f4f199443fa.
CVSS v3 Severity:4.7 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H)
4.1 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:H/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): High
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
7.5 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
6.5 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/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): Network
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
4.7 Medium (REDHAT CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H)
4.1 Medium (REDHAT Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:H/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): High
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
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
7.8 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
Vulnerability Type:CWE-401
CWE-400
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2019-19059

Source: XF
Type: UNKNOWN
linux-kernel-cve201919059-dos(171767)

Source: CCN
Type: Linux Kernel GIT Repository
iwlwifi: pcie: fix memory leaks in iwl_pcie_ctxt_info_gen3_init

Source: MISC
Type: Patch, Third Party Advisory
https://github.com/torvalds/linux/commit/0f4f199443faca715523b0659aa536251d8b978f

Source: FEDORA
Type: Mailing List, Third Party Advisory
FEDORA-2019-021c968423

Source: FEDORA
Type: Mailing List, Third Party Advisory
FEDORA-2019-34a75d7e61

Source: CONFIRM
Type: Third Party Advisory
https://security.netapp.com/advisory/ntap-20191205-0001/

Source: UBUNTU
Type: Third Party Advisory
USN-4300-1

Source: UBUNTU
Type: Third Party Advisory
USN-4301-1

Vulnerable Configuration:Configuration 1:
  • cpe:/o:linux:linux_kernel:*:*:*:*:*:*:*:* (Version <= 5.3.11)

    • Configuration 2:
  • cpe:/o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
  • OR cpe:/o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:*
  • OR cpe:/o:fedoraproject:fedora:30:*:*:*:*:*:*:*
  • OR cpe:/o:fedoraproject:fedora:31:*:*:*:*:*:*:*

    • Configuration RedHat 1:
  • cpe:/a:redhat:enterprise_linux:8:*:*:*:*:*:*:*

    • Configuration RedHat 2:
  • cpe:/a:redhat:enterprise_linux:8::nfv:*:*:*:*:*

    • Configuration RedHat 3:
  • cpe:/a:redhat:enterprise_linux:8::realtime:*:*:*:*:*

    • Configuration RedHat 4:
  • cpe:/a:redhat:enterprise_linux:8::crb:*:*:*:*:*

    • Configuration RedHat 5:
  • cpe:/o:redhat:enterprise_linux:8:*:*:*:*:*:*:*

    • Configuration RedHat 6:
  • cpe:/o:redhat:enterprise_linux:8::baseos:*:*:*:*:*

    • Configuration RedHat 7:
  • cpe:/o:redhat:enterprise_linux:7:*:*:*:*:*:*:*

    • Configuration RedHat 8:
  • cpe:/o:redhat:enterprise_linux:7::client:*:*:*:*:*

    • Configuration RedHat 9:
  • cpe:/o:redhat:enterprise_linux:7::computenode:*:*:*:*:*

    • Configuration RedHat 10:
  • cpe:/o:redhat:enterprise_linux:7::server:*:*:*:*:*

    • Configuration RedHat 11:
  • cpe:/o:redhat:enterprise_linux:7::workstation:*:*:*:*:*

    • Configuration RedHat 12:
  • cpe:/a:redhat:rhel_extras_rt:7:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.redhat.rhsa:def:20204062
    P
    		RHSA-2020:4062: kernel-rt security and bug fix update (Important)
    2020-09-29
    oval:com.redhat.rhsa:def:20204060
    P
    		RHSA-2020:4060: kernel security, bug fix, and enhancement update (Important)
    2020-09-29
    oval:com.redhat.rhsa:def:20201769
    P
    		RHSA-2020:1769: kernel security, bug fix, and enhancement update (Important)
    2020-04-28
    oval:com.redhat.rhsa:def:20201567
    P
    		RHSA-2020:1567: kernel-rt security, bug fix, and enhancement update (Important)
    2020-04-28
    oval:com.ubuntu.disco:def:2019190590000000
    V
    		CVE-2019-19059 on Ubuntu 19.04 (disco) - low.
    2019-11-18
    oval:com.ubuntu.bionic:def:2019190590000000
    V
    		CVE-2019-19059 on Ubuntu 18.04 LTS (bionic) - low.
    2019-11-18
    oval:com.ubuntu.xenial:def:2019190590000000
    V
    		CVE-2019-19059 on Ubuntu 16.04 LTS (xenial) - low.
    2019-11-18
    BACK
    linux linux kernel *
    canonical ubuntu linux 18.04
    canonical ubuntu linux 19.10
    fedoraproject fedora 30
    fedoraproject fedora 31