What’s Vulnerable › Vulnerabilities
CVE-2019-11833
- Severity: medium (CVSS 5.5 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.6% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2019-05-15 · updated 2026-06-17
- Weakness: CWE-908
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.
Affected products
- Canonical Ubuntu Linux: 14.04, 16.04, 18.04, 19.04
- Debian Linux: 8.0, 9.0
- Fedoraproject Fedora: 29
- Linux kernel: through 5.1.2
- Red Hat Enterprise Linux: 8.0
- RedHat Enterprise Linux Desktop: 7.0
- RedHat Enterprise Linux Eus: 8.1, 8.2, 8.4, 8.6
- RedHat Enterprise Linux For Real Time: 7, 8.0
- RedHat Enterprise Linux For Real Time For Nfv: 7, 8.0
- RedHat Enterprise Linux For Real Time For Nfv Tus: 8.2, 8.4, 8.6
- RedHat Enterprise Linux For Real Time Tus: 8.2, 8.4, 8.6
- RedHat Enterprise Linux Server: 7.0
- RedHat Enterprise Linux Server Aus: 8.2, 8.4, 8.6
- RedHat Enterprise Linux Server Tus: 8.2, 8.4, 8.6
- RedHat Enterprise Linux Workstation: 7.0
References
- 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://packetstormsecurity.com/files/154951/Kernel-Live-Patch-Security-Notice-LSN-0058-1.html
- http://www.securityfocus.com/bid/108372
- https://access.redhat.com/errata/RHSA-2019:2029
- https://access.redhat.com/errata/RHSA-2019:2043
- https://access.redhat.com/errata/RHSA-2019:3309
- https://access.redhat.com/errata/RHSA-2019:3517
- https://github.com/torvalds/linux/commit/592acbf16821288ecdc4192c47e3774a4c48bb64
- https://lists.debian.org/debian-lts-announce/2019/06/msg00010.html
- https://lists.debian.org/debian-lts-announce/2019/06/msg00011.html
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