Use After Free Affecting kernel-cross-headers package, versions <0:4.18.0-80.7.1.el8_0
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Test your applications- Snyk ID SNYK-RHEL8-KERNELCROSSHEADERS-3423375
- published 26 Jul 2021
- disclosed 7 May 2019
Introduced: 7 May 2019
CVE-2019-11811 Open this link in a new tabHow to fix?
Upgrade RHEL:8 kernel-cross-headers to version 0:4.18.0-80.7.1.el8_0 or higher.
This issue was patched in RHSA-2019:1959.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-cross-headers package and not the kernel-cross-headers package as distributed by RHEL.
See How to fix? for RHEL:8 relevant fixed versions and status.
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.
References
- http://www.securityfocus.com/bid/108410
- https://security.netapp.com/advisory/ntap-20190719-0003/
- https://support.f5.com/csp/article/K01512680
- https://access.redhat.com/security/cve/CVE-2019-11811
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.0.4
- https://github.com/torvalds/linux/commit/401e7e88d4ef80188ffa07095ac00456f901b8c4
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=401e7e88d4ef80188ffa07095ac00456f901b8c4
- https://access.redhat.com/errata/RHSA-2019:1959
- http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00071.html