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CVE-2019-20095

Good to know:

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Date: December 29, 2019

mwifiex_tm_cmd in drivers/net/wireless/marvell/mwifiex/cfg80211.c in the Linux kernel before 5.1.6 has some error-handling cases that did not free allocated hostcmd memory, aka CID-003b686ace82. This will cause a memory leak and denial of service.

Language: C

Severity Score

Related Resources (9)

https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.1.6
https://security-tracker.debian.org/tracker/CVE-2019-20095
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=003b686ace820ce2d635a83f10f2d7f9c147dabc
https://nvd.nist.gov/vuln/detail/CVE-2019-20095
https://access.redhat.com/security/cve/CVE-2019-20095
http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html
https://people.canonical.com/~ubuntu-security/cve/CVE-2019-20095
https://security.netapp.com/advisory/ntap-20200204-0002/
https://www.mend.io/vulnerability-database/CVE-2019-20095

Severity Score

Weakness Type (CWE)

Missing Release of Memory after Effective Lifetime

CWE-401

Missing Release of Resource after Effective Lifetime

CWE-772

Top Fix

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Upgrade Version

Upgrade to version linux-yocto - 4.8.24+gitAUTOINC+c84532b647_f6329fd287;linux-yocto - 4.10+gitAUTOINC+805ea440c7_b259a5d744

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CVSS v3.1

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

CVSS v2

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

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