CVE-2019-12454

Summary

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

Affected Software

Weaknesses

• n/a

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: no
  • Technical Impact: partial

CVE Program Container

Additional References

• https://lkml.org/lkml/2019/5/29/705
• https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git/commit/?h=for-5.3&id=a54988113985ca22e414e132054f234fc8a92604
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/J36BIJTKEPUOZKJNHQBUZA47RQONUKOI/
• https://bugzilla.suse.com/show_bug.cgi?id=1136963#c1
• https://support.f5.com/csp/article/K13523672
• https://support.f5.com/csp/article/K13523672?utm_source=f5support&amp%3Butm_medium=RSS

References

• https://lkml.org/lkml/2019/5/29/705
• https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git/commit/?h=for-5.3&id=a54988113985ca22e414e132054f234fc8a92604
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/J36BIJTKEPUOZKJNHQBUZA47RQONUKOI/
• https://bugzilla.suse.com/show_bug.cgi?id=1136963#c1
• https://support.f5.com/csp/article/K13523672
• https://support.f5.com/csp/article/K13523672?utm_source=f5support&amp%3Butm_medium=RSS

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