Vulnerability 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 Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 4.18, < 4.19.31 |
| Opensuse | Leap | 15.1 |
| Redhat | Enterprise Linux | 7.0 |
| Redhat | Enterprise Linux Aus | 7.6 |
| Redhat | Enterprise Linux Desktop | 7.0 |
| Redhat | Enterprise Linux Server | 7.0 |
| Redhat | Enterprise Linux Server Aus | 7.4 |
| Redhat | Enterprise Linux Server Tus | 7.4 |
| Redhat | Enterprise Linux Workstation | 7.0 |
Related Weaknesses (CWE)
References
- http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00071.htmlThird Party Advisory
- http://www.securityfocus.com/bid/108410Third Party AdvisoryVDB Entry
- https://access.redhat.com/errata/RHSA-2019:1873Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:1891Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:1959Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:1971Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:4057Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:4058Third Party Advisory
- https://access.redhat.com/errata/RHSA-2020:0036Third Party Advisory
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.0.4Release NotesVendor Advisory
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=401e7PatchVendor Advisory
- https://github.com/torvalds/linux/commit/401e7e88d4ef80188ffa07095ac00456f901b8cPatchThird Party Advisory
- https://security.netapp.com/advisory/ntap-20190719-0003/Third Party Advisory
- https://support.f5.com/csp/article/K01512680Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00071.htmlThird Party Advisory
FAQ
What is CVE-2019-11811?
CVE-2019-11811 is a vulnerability with a CVSS score of 7.0 (HIGH). 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_s...
How severe is CVE-2019-11811?
CVE-2019-11811 has been rated HIGH with a CVSS base score of 7.0/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2019-11811?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel, Opensuse Leap, Redhat Enterprise Linux, Redhat Enterprise Linux Aus, Redhat Enterprise Linux Desktop.