CVE•Published 2026-04-22•Modified 2026-05-19•1 article on news•6 live references•NVD data
CVE-2026-31436Linux · Linux_kernel
Vulnerability data via NVD (ingested)
CVSS v3.1
9.8
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS percentile
18
Exploit Prediction Scoring System · top 82% of all CVEs
Weaknesses (CWE)
Description
In the Linux kernel, the following vulnerability has been resolved: dmaengine: idxd: fix possible wrong descriptor completion in llist_abort_desc() At the end of this function, d is the traversal cursor of flist, but the code completes found instead. This can lead to issues such as NULL pointer dereferences, double completion, or descriptor leaks. Fix this by completing d instead of found in the final list_for_each_entry_safe() loop.
Timeline
Published 2026-04-22
Modified 2026-05-19
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).
Shodan · vuln tag0 hosts
vuln:CVE-2026-31436Hosts 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-2026-31436Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-31436Censys host search filtered to this CVE id.
grep.app
CVE-2026-31436Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-31436GitHub code search for direct mentions.
Google dork
"CVE-2026-31436" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub
No public proof-of-concept repositories found for CVE-2026-31436 on GitHub.