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CVE-2019-12454

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Date: May 29, 2019

** 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.

Language: C

Severity Score

Related Resources (8)

https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git/commit/?h=for-5.3&id=a54988113985ca22e414e132054f234fc8a92604
https://nvd.nist.gov/vuln/detail/CVE-2019-12454
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/J36BIJTKEPUOZKJNHQBUZA47RQONUKOI/
https://lkml.org/lkml/2019/5/29/705
https://support.f5.com/csp/article/K13523672?utm_source=f5support&utm_medium=RSS
https://support.f5.com/csp/article/K13523672
https://bugzilla.suse.com/show_bug.cgi?id=1136963#c1
https://www.mend.io/vulnerability-database/CVE-2019-12454

Severity Score

Weakness Type (CWE)

Input Validation

CWE-20

Insufficient Information

NVD-CWE-noinfo

Top Fix

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CVSS v3

Base Score:
Attack Vector (AV):
Attack Complexity (AC):
Privileges Required (PR):
User Interaction (UI):
Scope (S):
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): PARTIAL

CVSS v2

Base Score:
Access Vector (AV):
Access Complexity (AC):
Authentication (AU):
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH
Additional information:

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