CVE•Published 2026-06-25•Modified 2026-07-06•1 article on news•4 live references•NVD data
CVE-2026-53188Linux · Linux_kernel
Vulnerability data via NVD (ingested)
CVSS v3.1
8.8
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
EPSS percentile
3
Exploit Prediction Scoring System · top 97% of all CVEs
Description
In the Linux kernel, the following vulnerability has been resolved: RDMA/core: Validate the passed in fops for ib_get_ucaps() Sashiko pointed out it is not safe to rely only on the devt because char/block alias so if the user finds a block device with the same dev_t it can masquerade as a ucap cdev fd. Test the f_ops to only accept authentic cdevs.
Timeline
Published 2026-06-25
Modified 2026-07-06
External references
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vuln:CVE-2026-53188Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · OS
os:"Linux Kernel"Hosts Shodan identified as running Linux Kernel.
More intel sources (5)
Shodan report
vuln:CVE-2026-53188Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-53188Censys host search filtered to this CVE id.
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CVE-2026-53188Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-53188GitHub code search for direct mentions.
Google dork
"CVE-2026-53188" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.