CVE-2019-11833

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.

Category

5.5
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.02%
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Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/torvalds/linux/commit/592acbf16821288ecdc4192c47e3774a4c48bb64 third party advisory patch
http://www.securityfocus.com/bid/108372 vdb entry third party advisory broken link
http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00071.html vendor advisory broken link
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GJGZIMGB72TL7OGWRMHIL43WHXFQWU4X/ vendor advisory
https://www.debian.org/security/2019/dsa-4465 third party advisory vendor advisory
https://lists.debian.org/debian-lts-announce/2019/06/msg00010.html third party advisory mailing list
https://lists.debian.org/debian-lts-announce/2019/06/msg00011.html third party advisory mailing list
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00039.html vendor advisory broken link
https://seclists.org/bugtraq/2019/Jun/26 third party advisory mailing list
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00048.html vendor advisory broken link
https://usn.ubuntu.com/4068-1/ third party advisory vendor advisory
https://usn.ubuntu.com/4068-2/ third party advisory vendor advisory
https://usn.ubuntu.com/4069-1/ third party advisory vendor advisory
https://usn.ubuntu.com/4076-1/ third party advisory vendor advisory
https://usn.ubuntu.com/4069-2/ third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2019:2043 third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2019:2029 third party advisory vendor advisory
https://usn.ubuntu.com/4095-2/ third party advisory vendor advisory
https://usn.ubuntu.com/4118-1/ third party advisory vendor advisory
http://packetstormsecurity.com/files/154951/Kernel-Live-Patch-Security-Notice-LSN-0058-1.html vdb entry third party advisory
https://access.redhat.com/errata/RHSA-2019:3309 third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2019:3517 third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2019-11833?
CVE-2019-11833 has been scored as a medium severity vulnerability.
How to fix CVE-2019-11833?
To fix CVE-2019-11833, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2019-11833 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2019-11833 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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