Medium severity · published May 15, 2019
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…
5.5
CVSS
0.6%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 51% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
KE
Kernel · Linux
through 5.1.2 · source: NVD
DL
Debian Linux · Debian
8.0; 9.0 · source: NVD
EL
Enterprise Linux · Redhat
8.0 · source: NVD
EL
Enterprise Linux Desktop · Redhat
7.0 · source: NVD
EL
Enterprise Linux Eus · Redhat
8.1; 8.2; 8.4; 8.6 · source: NVD
EL
Enterprise Linux For Real Time · Redhat
7; 8.0 · source: NVD
EL
Enterprise Linux For Real Time For Nfv · Redhat
7; 8.0 · source: NVD
EL
Enterprise Linux For Real Time For Nfv Tus · Redhat
8.2; 8.4; 8.6 · source: NVD
EL
Enterprise Linux For Real Time Tus · Redhat
8.2; 8.4; 8.6 · source: NVD
EL
Enterprise Linux Server · Redhat
7.0 · source: NVD
EL
Enterprise Linux Server Aus · Redhat
8.2; 8.4; 8.6 · source: NVD
EL
Enterprise Linux Server Tus · Redhat
8.2; 8.4; 8.6 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-11833
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-11833
Broken Link
http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00071.html
Broken Link
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00039.html
Broken Link
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00048.html
Third Party Advisory
http://packetstormsecurity.com/files/154951/Kernel-Live-Patch-Security-Notice-LSN-0058-1.html
Broken Link
http://www.securityfocus.com/bid/108372
Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:2029
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