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.
CVE-2018-5344
Score 7.8 from GitHub Security Advisory (severity: HIGH) published 2022-05-13. NVD baseline CVSS 7.8; sources differ by 0.0.
- High severity, but no confirmed exploitation yet
A fix is available — apply it.
- CVSS v3
- 7.8
- EG Score
- 7.8(medium)
- EPSS
- 29.0%
- KEV
- Not listed
Published
January 12, 2018
Last Modified
November 21, 2024
References (28)
- cve@mitrehttp://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ae6650163c66a7eff1acd6eb8b0f752dcfa8eba5
- cve@mitrehttp://www.securityfocus.com/bid/102503
- cve@mitrehttps://access.redhat.com/errata/RHSA-2018:2948
- cve@mitrehttps://access.redhat.com/errata/RHSA-2018:3083
- cve@mitrehttps://access.redhat.com/errata/RHSA-2018:3096
- cve@mitrehttps://github.com/torvalds/linux/commit/ae6650163c66a7eff1acd6eb8b0f752dcfa8eba5
- cve@mitrehttps://usn.ubuntu.com/3583-1/
- cve@mitrehttps://usn.ubuntu.com/3583-2/
- cve@mitrehttps://usn.ubuntu.com/3617-1/
- cve@mitrehttps://usn.ubuntu.com/3617-2/
- cve@mitrehttps://usn.ubuntu.com/3617-3/
- cve@mitrehttps://usn.ubuntu.com/3619-1/
- cve@mitrehttps://usn.ubuntu.com/3619-2/
- cve@mitrehttps://usn.ubuntu.com/3632-1/
- af854a3a-2127-422b-91ae-364da2661108http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ae6650163c66a7eff1acd6eb8b0f752dcfa8eba5
Vendor Advisories for CVE-2018-5344(1)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Patch Availability(11)
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| ubuntu | linux-image-generic-lts-trusty (3.13.0.142.133) @ precise | 2026-05-28 | ubuntu |
| ubuntu | linux-image-extra-4.4.0-119-generic (4.4.0-119.143) @ xenial | 2026-05-28 | ubuntu |
| ubuntu | linux-image-extra-4.4.0-119-generic (4.4.0-119.143~14.04.1) @ trusty | 2026-05-28 | ubuntu |
| ubuntu | linux-image-lowlatency (4.13.0.38.41) @ artful | 2026-05-28 | ubuntu |
| ubuntu | linux-image-raspi2 (4.13.0.1016.14) @ artful | 2026-05-28 | ubuntu |
| ubuntu | linux-image-extra-4.13.0-38-generic (4.13.0-38.43~16.04.1) @ xenial | 2026-05-28 | ubuntu |
| ubuntu | linux-image-extra-4.13.0-1014-azure (4.13.0-1014.17) @ xenial | 2026-05-28 | ubuntu |
| ubuntu | linux-image-extra-3.13.0-142-generic (3.13.0-142.191) @ trusty | 2026-05-28 | ubuntu |
| redhat | kernel-rt-0:3.10.0-957.rt56.910.el7 | 2018-10-30 | redhat |
| redhat | kernel-alt-0:4.14.0-115.el7a | 2018-10-30 | redhat |
| redhat | kernel-0:3.10.0-957.el7 | 2018-10-30 | redhat |
Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.
Weakness Classification(2)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Additional Vendor Advisories
(10)
Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.
- Red HatRHSA-2018:3083MODERATE2018-01-06
RHSA-2018:3083 — Moderate
- Red HatRHSA-2018:3096MODERATE2018-01-06
RHSA-2018:3096 — Moderate
- UbuntuUSN-3583-1MEDIUM
Linux kernel vulnerabilities
- UbuntuUSN-3583-2MEDIUM
Linux kernel (Trusty HWE) vulnerabilities
- UbuntuUSN-3617-1MEDIUM
Linux kernel vulnerabilities
- UbuntuUSN-3617-2MEDIUM
Linux (HWE) vulnerabilities
- UbuntuUSN-3617-3MEDIUM
Linux kernel (Raspberry Pi 2) vulnerabilities
- UbuntuUSN-3619-1MEDIUM
Linux kernel vulnerabilities
- UbuntuUSN-3619-2MEDIUM
Linux kernel (Xenial HWE) vulnerabilities
- UbuntuUSN-3632-1MEDIUM
Linux kernel (Azure) vulnerabilities
Data Freshness Timeline
(refreshed 7× in last 7d / 41× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-16 16:59 UTCEPSS rescore
- 2026-07-16 16:59 UTCEPSS rescore
- 2026-07-15 16:55 UTCEPSS rescore
- 2026-07-15 01:56 UTCEPSS rescore
- 2026-07-13 22:27 UTCEPSS rescore
- 2026-07-13 06:10 UTCEPSS rescore
- 2026-07-12 05:43 UTCEPSS rescore
- 2026-07-09 19:06 UTCEPSS rescore
- 2026-07-06 16:25 UTCEPSS rescore
- 2026-07-06 16:24 UTCEPSS rescore
- 2026-07-06 02:20 UTCEPSS rescore
- 2026-07-05 02:27 UTCEPSS rescore
- 2026-07-04 14:56 UTCOSV refresh
- 2026-07-04 06:28 UTCEPSS rescore
- 2026-07-04 06:28 UTCEPSS rescore
- 2026-07-01 15:03 UTCEPSS rescore
- 2026-07-01 15:03 UTCEPSS rescore
- 2026-06-30 23:20 UTCEPSS rescore
- 2026-06-30 23:20 UTCEPSS rescore
- 2026-06-29 14:03 UTCEPSS rescore
- 2026-06-28 14:04 UTCEPSS rescore
- 2026-06-28 04:53 UTCEPSS rescore
- 2026-06-28 04:53 UTCEPSS rescore
- 2026-06-27 03:06 UTCEPSS rescore
- 2026-06-27 03:06 UTCEPSS rescore
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- 2026-06-25 13:47 UTCEPSS rescore
- 2026-06-25 13:47 UTCEPSS rescore
- 2026-06-24 14:02 UTCEPSS rescore
- 2026-06-24 14:02 UTCEPSS rescore
- 2026-06-23 21:30 UTCEPSS rescore
- 2026-06-23 21:30 UTCEPSS rescore
- 2026-06-22 14:23 UTCEPSS rescore
- 2026-06-22 14:23 UTCEPSS rescore
- 2026-06-21 14:54 UTCEPSS rescore
- 2026-06-21 14:54 UTCEPSS rescore
- 2026-06-21 01:57 UTCEPSS rescore
- 2026-06-21 01:57 UTCEPSS rescore
- 2026-06-19 19:23 UTCEPSS rescore
- 2026-06-19 19:23 UTCEPSS rescore
- 2026-06-18 17:50 UTCEPSS rescore
- 2026-06-18 17:50 UTCEPSS rescore
- 2026-06-17 17:50 UTCEPSS rescore
- 2026-06-16 17:50 UTCEPSS rescore
- 2026-06-16 17:50 UTCEPSS rescore
- 2026-06-16 02:43 UTCOSV refresh
- 2026-06-15 17:45 UTCEPSS rescore
- 2026-06-14 23:15 UTCEPSS rescore
- 2026-06-14 23:15 UTCEPSS rescore
- 2026-06-13 22:58 UTCEPSS rescore
- 2026-06-12 23:09 UTCEPSS rescore
- 2026-06-12 23:09 UTCEPSS rescore
- 2026-06-11 13:57 UTCEPSS rescore
- 2026-06-10 22:16 UTCEPSS rescore
- 2026-06-10 13:19 UTCEPSS rescore
- 2026-06-08 14:14 UTCEPSS rescore
- 2026-06-07 15:22 UTCEPSS rescore
- 2026-06-07 15:22 UTCEPSS rescore
- 2026-06-06 13:45 UTCEPSS rescore
- 2026-06-06 13:45 UTCEPSS rescore
- 2026-06-05 22:45 UTCEPSS rescore
- 2026-06-05 22:45 UTCEPSS rescore
- 2026-06-05 06:08 UTCEPSS rescore
- 2026-06-05 06:08 UTCEPSS rescore
- 2026-06-04 13:10 UTCEPSS rescore
- 2026-06-04 13:10 UTCEPSS rescore
- 2026-06-02 20:11 UTCEPSS rescore
- 2026-06-01 13:50 UTCEPSS rescore
- 2026-05-31 22:29 UTCEPSS rescore
- 2026-05-31 22:29 UTCEPSS rescore
- 2026-05-31 00:14 UTCEPSS rescore
- 2026-05-31 00:14 UTCEPSS rescore
- 2026-05-29 13:41 UTCEPSS rescore
- 2026-05-28 13:43 UTCEPSS rescore
- 2026-05-28 13:42 UTCEPSS rescore
- 2026-05-28 12:39 UTCEG score recompute
- 2026-05-28 12:39 UTCVendor advisory
- 2026-05-28 12:39 UTCGHSA enrichment
- 2026-05-27 13:38 UTCEPSS rescore
- 2026-05-26 13:42 UTCEPSS rescore
- 2026-05-26 13:42 UTCEPSS rescore
- 2026-05-26 07:17 UTCEPSS rescore
- 2026-05-26 07:17 UTCEPSS rescore
- 2026-05-23 14:11 UTCOSV refresh
Related CVEs(same vendor + same CWE)
Same vendor
10 shownredhat
Same CWE
10 shownCWE-416 · CWE-362
Frequently asked(5)
What is CVE-2018-5344?
When was CVE-2018-5344 disclosed?
Is CVE-2018-5344 actively exploited?
What is the CVSS score of CVE-2018-5344?
How do I remediate CVE-2018-5344?
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2018-5344
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