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CVE-2019-16994

Good to know:

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Date: September 30, 2019

In the Linux kernel before 5.0, a memory leak exists in sit_init_net() in net/ipv6/sit.c when register_netdev() fails to register sitn->fb_tunnel_dev, which may cause denial of service, aka CID-07f12b26e21a.

Language: C

Severity Score

Related Resources (9)

https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=07f12b26e21ab359261bf75cfcb424fdc7daeb6d
https://security.netapp.com/advisory/ntap-20191031-0005/
https://access.redhat.com/security/cve/CVE-2019-16994
https://nvd.nist.gov/vuln/detail/CVE-2019-16994
https://github.com/torvalds/linux/commit/07f12b26e21ab359261bf75cfcb424fdc7daeb6d
https://people.canonical.com/~ubuntu-security/cve/CVE-2019-16994
http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html
https://security-tracker.debian.org/tracker/CVE-2019-16994
https://www.mend.io/vulnerability-database/CVE-2019-16994

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 - 4.10+gitAUTOINC+805ea440c7_b259a5d744;linux-yocto - 4.8.24+gitAUTOINC+c84532b647_f6329fd287

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CVSS v3.1

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

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