CVE-2018-5344

high

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.

References

Advisories
More

https://usn.ubuntu.com/3632-1/

https://usn.ubuntu.com/3619-2/

https://usn.ubuntu.com/3619-1/

https://usn.ubuntu.com/3617-3/

https://usn.ubuntu.com/3617-2/

https://usn.ubuntu.com/3617-1/

https://usn.ubuntu.com/3583-2/

https://usn.ubuntu.com/3583-1/

https://github.com/torvalds/linux/commit/ae6650163c66a7eff1acd6eb8b0f752dcfa8eba5

https://access.redhat.com/errata/RHSA-2018:3096

https://access.redhat.com/errata/RHSA-2018:3083

https://access.redhat.com/errata/RHSA-2018:2948

http://www.securityfocus.com/bid/102503

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ae6650163c66a7eff1acd6eb8b0f752dcfa8eba5

https://euvd.enisa.europa.eu/vulnerability/EUVD-2018-17123

Details

Source: Mitre, NVD

Published: 2018-01-12

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 4.6

Vector: CVSS2#AV:L/AC:L/Au:N/C:P/I:P/A:P

Severity: Medium

CVSS v3

Base Score: 7.8

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Severity: High

EPSS

EPSS: 0.00034

Detections

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