Vulnerability Name:

CVE-2019-12454 (CCN-161815)

Assigned:2019-05-29
Published:2019-05-29
Updated:2020-08-24
Summary:** DISPUTED ** An issue was discovered in wcd9335_codec_enable_dec in sound/soc/codecs/wcd9335.c in the Linux kernel through 5.1.5. It uses kstrndup instead of kmemdup_nul, which allows attackers to have an unspecified impact via unknown vectors.
Note: The vendor disputes this issues as not being a vulnerability because switching to kmemdup_nul() would only fix a security issue if the source string wasn't NUL-terminated, which is not the case.
CVSS v3 Severity:7.8 High (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
6.8 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/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): High
Integrity (I): High
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:7.2 High (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
Authentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
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-noinfo
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2019-12454

Source: MISC
Type: UNKNOWN
https://bugzilla.suse.com/show_bug.cgi?id=1136963#c1

Source: XF
Type: UNKNOWN
linux-kernel-cve201912454-unspecified(161815)

Source: CCN
Type: Linux Kernel GIT Repository
wcd9335: fix a incorrect use of kstrndup()

Source: MISC
Type: Mailing List, Patch, Vendor Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git/commit/?h=for-5.3&id=a54988113985ca22e414e132054f234fc8a92604

Source: FEDORA
Type: UNKNOWN
FEDORA-2019-f40bd7826f

Source: MISC
Type: Mailing List, Patch, Third Party Advisory
https://lkml.org/lkml/2019/5/29/705

Source: CONFIRM
Type: UNKNOWN
https://support.f5.com/csp/article/K13523672

Source: CONFIRM
Type: UNKNOWN
https://support.f5.com/csp/article/K13523672?utm_source=f5support&utm_medium=RSS

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:2019124540000000
    V
    		CVE-2019-12454 on Ubuntu 18.10 (cosmic) - negligible.
    2019-05-30
    oval:com.ubuntu.bionic:def:2019124540000000
    V
    		CVE-2019-12454 on Ubuntu 18.04 LTS (bionic) - negligible.
    2019-05-30
    oval:com.ubuntu.xenial:def:2019124540000000
    V
    		CVE-2019-12454 on Ubuntu 16.04 LTS (xenial) - negligible.
    2019-05-30
    BACK
    linux linux kernel *
    linux linux kernel 5.1.5