Name: CVE-2019-20422: Improper Handling of Exceptional Conditions
Creator: Rapid7
Published: 2020-01-27T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2019-20422, CWE-755, CVSS 5.5, EPSS 0.00079

In the Linux kernel before 5.3.4, fib6_rule_lookup in net/ipv6/ip6_fib.c mishandles the RT6_LOOKUP_F_DST_NOREF flag in a reference-count decision, leading to (for example) a crash that was identified by syzkaller, aka CID-7b09c2d052db.

CVSS Details

CVSS 3.1 Base Score: 5.5
CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Suse	—	Upgrade kernel-default	Feb 4, 2022	Jan 27, 2020
Ubuntu	—	Upgrade linux-azureUpgrade linux-kvmUpgrade linux-awsUpgrade linux-oracleUpgrade linux-raspi2Upgrade linuxUpgrade linux-gcpUpgrade linux-hwe-edge	Nov 19, 2024	Jan 27, 2020

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CVSS Details

Covered by Rapid7

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