Vulnerability Name:

CVE-2019-14763 (CCN-165091)

Assigned:2019-03-20
Published:2019-03-20
Updated:2022-04-18
Summary:In the Linux kernel before 4.16.4, a double-locking error in drivers/usb/dwc3/gadget.c may potentially cause a deadlock with f_hid.
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-667
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2019-14763

Source: MISC
Type: Mailing List, Vendor Advisory
https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.16.4

Source: XF
Type: UNKNOWN
linux-kernel-cve201914763-dos(165091)

Source: MISC
Type: Mailing List, Patch, Vendor Advisory
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=072684e8c58d17e853f8e8b9f6d9ce2e58d2b036

Source: MISC
Type: Mailing List, Patch, Vendor Advisory
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c91815b596245fd7da349ecc43c8def670d2269e

Source: CCN
Type: Linux Kernel GIT Repository
USB: gadget: f_hid: fix deadlock in f_hidg_write()

Source: MISC
Type: Patch, Third Party Advisory
https://github.com/torvalds/linux/commit/072684e8c58d17e853f8e8b9f6d9ce2e58d2b036

Source: MISC
Type: Patch, Third Party Advisory
https://github.com/torvalds/linux/commit/c91815b596245fd7da349ecc43c8def670d2269e

Source: UBUNTU
Type: Third Party Advisory
USN-4115-1

Source: UBUNTU
Type: Third Party Advisory
USN-4118-1

Source: MISC
Type: Mailing List, Patch, Third Party Advisory
https://www.spinics.net/lists/linux-usb/msg167355.html

Source: MISC
Type: Mailing List, Patch, Third Party Advisory
https://www.spinics.net/lists/linux-usb/msg167393.html

Vulnerable Configuration:Configuration 1:
  • cpe:/o:linux:linux_kernel:*:*:*:*:*:*:*:* (Version < 4.16.4)

    • Configuration 2:
  • cpe:/o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*
  • OR cpe:/o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*

    • Configuration CCN 1:
  • cpe:/o:linux:linux_kernel:4.16:-:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.disco:def:2019147630000000
    V
    		CVE-2019-14763 on Ubuntu 19.04 (disco) - low.
    2019-08-07
    oval:com.ubuntu.bionic:def:2019147630000000
    V
    		CVE-2019-14763 on Ubuntu 18.04 LTS (bionic) - low.
    2019-08-07
    oval:com.ubuntu.xenial:def:2019147630000000
    V
    		CVE-2019-14763 on Ubuntu 16.04 LTS (xenial) - low.
    2019-08-07
    BACK
    linux linux kernel *
    canonical ubuntu linux 16.04
    canonical ubuntu linux 18.04
    linux linux kernel 4.16