CVE-2018-5344

Description

In the Linux kernel through 4.14.13, drivers/block/loop.c mishandles lo_release serialization, which allows attackers to cause a denial of service (__lock_acquire use-after-free) or possibly have unspecified other impact.

Category

7.8
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.06%
Vendor Advisory redhat.com Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory redhat.com Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory redhat.com Vendor Advisory ubuntu.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://access.redhat.com/errata/RHSA-2018:3083 third party advisory vendor advisory
https://usn.ubuntu.com/3617-1/ third party advisory vendor advisory
https://usn.ubuntu.com/3619-2/ third party advisory vendor advisory
https://usn.ubuntu.com/3617-3/ third party advisory vendor advisory
http://www.securityfocus.com/bid/102503 vdb entry third party advisory
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ae6650163c66a7eff1acd6eb8b0f752dcfa8eba5 third party advisory patch
https://usn.ubuntu.com/3583-2/ third party advisory vendor advisory
https://usn.ubuntu.com/3632-1/ third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2018:2948 third party advisory vendor advisory
https://usn.ubuntu.com/3583-1/ third party advisory vendor advisory
https://usn.ubuntu.com/3617-2/ third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2018:3096 third party advisory vendor advisory
https://usn.ubuntu.com/3619-1/ third party advisory vendor advisory
https://github.com/torvalds/linux/commit/ae6650163c66a7eff1acd6eb8b0f752dcfa8eba5 third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2018-5344?
CVE-2018-5344 has been scored as a high severity vulnerability.
How to fix CVE-2018-5344?
To fix CVE-2018-5344, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2018-5344 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2018-5344 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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