Vulnerability in Linux Kernel
CVE-2019-11833
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.006 (48.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 49th percentile — 48.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000
Affected products
- Linux Kernel
- Canonical Ubuntu Linux — versions 14.04, 16.04, 18.04
- Debian Linux — versions 8.0, 9.0
- Fedoraproject Fedora — versions 29
- Red Hat Enterprise Linux — versions 8.0
- Red Hat Enterprise Linux Desktop — versions 7.0
- Red Hat Enterprise Linux Eus — versions 8.1, 8.2, 8.4
- Red Hat Enterprise Linux For Real Time — versions 7, 8.0
- Red Hat Enterprise Linux For Real Time Nfv — versions 7, 8.0
- Red Hat Enterprise Linux For Real Time Nfv Tus — versions 8.2, 8.4, 8.6
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/torvalds/linux/commit/592acbf16821288ecdc4192c47e3774a4c48bb64 (Patch, Third Party Advisory)
- www.securityfocus.com/bid/108372 (VDB Entry, Third Party Advisory, vdb-entry, Broken Link)
- lists.opensuse.org/opensuse-security-announce/2019-05/msg00071.html (vendor-advisory, Broken Link)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- www.debian.org/security/2019/dsa-4465 (vendor-advisory, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2019/06/msg00010.html (mailing-list, Mailing List, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2019/06/msg00011.html (mailing-list, Mailing List, Third Party Advisory)
- lists.opensuse.org/opensuse-security-announce/2019-06/msg00039.html (vendor-advisory, Broken Link)
- seclists.org/bugtraq/2019/Jun/26 (mailing-list, Mailing List, Third Party Advisory)
- lists.opensuse.org/opensuse-security-announce/2019-06/msg00048.html (vendor-advisory, Broken Link)
Frequently asked questions
- What is CVE-2019-11833?
- CVE-2019-11833 is a medium-severity vulnerability in Linux Kernel, classified under Use of Uninitialized Resource. CVSS score: 5.5/10. Published 2019-05-15.
- How severe is CVE-2019-11833?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2019-11833 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.