National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2019-11833 Detail

Current Description

fs/ext4/extents.c in the Linux kernel through 5.1.2 does not zero out the unused memory region in the extent tree block, which might allow local users to obtain sensitive information by reading uninitialized data in the filesystem.

Source:  MITRE
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 5.5 MEDIUM
Vector: AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N (V3.0 legend)
Impact Score: 3.6
Exploitability Score: 1.8


Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): None
Availability (A): None

CVSS v2.0 Severity and Metrics:

Base Score: 2.1 LOW
Vector: (AV:L/AC:L/Au:N/C:P/I:N/A:N) (V2 legend)
Impact Subscore: 2.9
Exploitability Subscore: 3.9


Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (AU): None
Confidentiality (C): Partial
Integrity (I): None
Availability (A): None
Additional Information:
Allows unauthorized disclosure of information

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00071.html
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00039.html
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00048.html
http://www.securityfocus.com/bid/108372
https://access.redhat.com/errata/RHSA-2019:2029
https://access.redhat.com/errata/RHSA-2019:2043
https://github.com/torvalds/linux/commit/592acbf16821288ecdc4192c47e3774a4c48bb64 Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2019/06/msg00010.html
https://lists.debian.org/debian-lts-announce/2019/06/msg00011.html
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GJGZIMGB72TL7OGWRMHIL43WHXFQWU4X/
https://seclists.org/bugtraq/2019/Jun/26
https://usn.ubuntu.com/4068-1/
https://usn.ubuntu.com/4068-2/
https://usn.ubuntu.com/4069-1/
https://usn.ubuntu.com/4069-2/
https://usn.ubuntu.com/4076-1/
https://usn.ubuntu.com/4095-2/
https://usn.ubuntu.com/4118-1/
https://www.debian.org/security/2019/dsa-4465

Technical Details

Vulnerability Type (View All)

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (including)
5.1.2


Change History

18 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2019-11833
NVD Published Date:
05/15/2019
NVD Last Modified:
06/04/2019