High severity · published May 7, 2019
CVE-2019-11811
An issue was discovered in the Linux kernel before 5.0.4
7.0
CVSS
0.5%
EPSS
No
On KEV
Description
An issue was discovered in the Linux kernel before 5.0.4. There is a use-after-free upon attempted read access to /proc/ioports after the ipmi_si module is removed, related to drivers/char/ipmi/ipmi_si_intf.c, drivers/char/ipmi/ipmi_si_mem_io.c, and drivers/char/ipmi/ipmi_si_port_io.c.
CVSS vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
High
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 39% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
KE
Kernel · Linux
4.18 before 4.19.31; 4.20 before 5.0.4 · source: NVD
EL
Enterprise Linux · Redhat
7.0 · source: NVD
EL
Enterprise Linux Aus · Redhat
7.6 · source: NVD
EL
Enterprise Linux Desktop · Redhat
7.0 · source: NVD
EL
Enterprise Linux Server · Redhat
7.0 · source: NVD
EL
Enterprise Linux Server Aus · Redhat
7.4 · source: NVD
EL
Enterprise Linux Server Tus · Redhat
7.4; 7.6 · source: NVD
EL
Enterprise Linux Workstation · Redhat
7.0 · source: NVD
LE
Leap · Opensuse
15.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-11811
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-11811
Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00071.html
Third Party Advisory
http://www.securityfocus.com/bid/108410
Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:1873
Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:1891
Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:1959
Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:1971
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