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Linux Kernel Hole Reported: CVE-2019-11811

posted by martyb on Monday July 22 2019, @05:58PM   Printer-friendly
from the ALL-kernels-affected dept.

An Anonymous Coward writes:

https://www.securityfocus.com/bid/108410

From the RedHat bug discussion:

https://bugzilla.redhat.com/show_bug.cgi?id=1709180

A flaw was found in the Linux kernels implementation of IPMI (remote baseband access) where an attacker with local access to read /proc/ioports may be able to create a use-after-free condition when the kernel module is unloaded. The use after-free condition may result in privilege escalation. Investigation is ongoing.

See https://security-tracker.debian.org/tracker/CVE-2019-11811 for a lot of other distro links (the Source section at the top).

Original Submission

 
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  • (Score: 0) by Anonymous Coward on Monday July 22 2019, @07:08PM

    by Anonymous Coward on Monday July 22 2019, @07:08PM (#870039)

    But don't unload the module if the module is already loaded as it is exploitable only on during the unload