Executive Summary

Informations
Name CVE-2019-19767 First vendor Publication 2019-12-12
Vendor Cve Last vendor Modification 2020-01-03

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Overall CVSS Score 5.5
Base Score 5.5 Environmental Score 5.5
impact SubScore 3.6 Temporal Score 5.5
Exploitabality Sub Score 1.8
 
Attack Vector Local Attack Complexity Low
Privileges Required None User Interaction Required
Scope Unchanged Confidentiality Impact None
Integrity Impact None Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:M/Au:N/C:N/I:N/A:P)
Cvss Base Score 4.3 Attack Range Network
Cvss Impact Score 2.9 Attack Complexity Medium
Cvss Expoit Score 8.6 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

The Linux kernel before 5.4.2 mishandles ext4_expand_extra_isize, as demonstrated by use-after-free errors in __ext4_expand_extra_isize and ext4_xattr_set_entry, related to fs/ext4/inode.c and fs/ext4/super.c, aka CID-4ea99936a163.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-19767

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-416 Use After Free

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 1
Os 3362

Sources (Detail)

Source Url
CONFIRM https://security.netapp.com/advisory/ntap-20200103-0001/
MISC https://bugzilla.kernel.org/show_bug.cgi?id=205609
https://bugzilla.kernel.org/show_bug.cgi?id=205707
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.2
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=4e...
https://github.com/torvalds/linux/commit/4ea99936a1630f51fc3a2d61a58ec4a1c4b7...
MLIST https://lists.debian.org/debian-lts-announce/2020/01/msg00013.html
https://lists.debian.org/debian-lts-announce/2020/03/msg00001.html
SUSE http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html
UBUNTU https://usn.ubuntu.com/4258-1/
https://usn.ubuntu.com/4284-1/
https://usn.ubuntu.com/4287-1/
https://usn.ubuntu.com/4287-2/

Alert History

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Date Informations
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2020-12-12 12:26:24
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2020-07-30 01:26:08
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2020-05-24 01:29:04
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2020-05-23 02:28:48
  • First insertion