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Status published
Medium
CVE-2019-11833
fs/ext4/extents.c in the Linux kernel through 5.1.2 does not zero...
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- https://github.com/torvalds/linux/commit/592acbf16821288ecdc4192c47e3774a4c48bb64
- http://www.securityfocus.com/bid/108372
- http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00071.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GJGZIMGB72TL7OGWRMHIL43WHXFQWU4X/
- https://www.debian.org/security/2019/dsa-4465
- https://lists.debian.org/debian-lts-announce/2019/06/msg00010.html
- https://lists.debian.org/debian-lts-announce/2019/06/msg00011.html
- http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00039.html
- https://seclists.org/bugtraq/2019/Jun/26
- http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00048.html
- https://usn.ubuntu.com/4068-1/
- https://usn.ubuntu.com/4068-2/
- https://usn.ubuntu.com/4069-1/
- https://usn.ubuntu.com/4076-1/
- https://usn.ubuntu.com/4069-2/
- https://access.redhat.com/errata/RHSA-2019:2043
- https://access.redhat.com/errata/RHSA-2019:2029
- https://usn.ubuntu.com/4095-2/
- https://usn.ubuntu.com/4118-1/
- http://packetstormsecurity.com/files/154951/Kernel-Live-Patch-Security-Notice-LSN-0058-1.html
- https://access.redhat.com/errata/RHSA-2019:3309
- https://access.redhat.com/errata/RHSA-2019:3517
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Affected Vendor
linux
View all reports →Affected Software
linux kernel, fedora, debian linux, ubuntu linux, enterprise linux, enterprise linux desktop, enterprise linux eus, enterprise linux for real time, enterprise linux for real time for nfv, enterprise linux for real time for nfv tus, enterprise linux for real time tus, enterprise linux server, enterprise linux server aus, enterprise linux server tus, enterprise linux workstation
Vulnerable Versions:
0, 29, 8.0, 9.0, 14.04, 16.04, 18.04, 19.04, 7.0, 8.1, 8.2, 8.4, 8.6, 7
Timeline
Official Publish:
May 15th, 2019
Last Modified:
August 4th, 2024
Added to House:
July 20th, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.