What is CVE-2026-64173?
In the Linux kernel, the following vulnerability has been resolved: tracing: Do not call map->ops->elt_free() if elt_alloc() fails In paths where tracing_map_elt_alloc() failed to allocate objects, the map->ops->elt_alloc() call was never successful. In this case, map->ops->elt_free() should not be called.
1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 78 days ago.
Severity and exploitation probability
- EPSS (FIRST)
- 0.1% probability of exploitation in the next 30 days, higher than 6.0% of all scored CVEs
- CISA KEV
- Not listed in the CISA Known Exploited Vulnerabilities catalog
- Threadlinqs priority
- 0.2/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
- Published
- 2026-07-19
Is CVE-2026-64173 being exploited?
It currently carries a trending score of 31 in the Threadlinqs vulnerability feed.
Affected products and versions
- Linux: Linux
How to fix CVE-2026-64173
No vendor patch reference has been recorded for CVE-2026-64173 in the tracked sources. Follow the references below for a fix, and treat the products listed above as exposed until the vendor states otherwise.
Threat activity tracking CVE-2026-64173
No threat campaign in the Threadlinqs corpus currently references CVE-2026-64173, in its CVE list or as an indicator. The linkage is recomputed from the live corpus on every daily ingest, so this section fills in as soon as a tracked campaign cites the identifier.
Sources
Enriched from CVE.org, NVD, FIRST EPSS, GitHub Security Advisories. Last verified by Threadlinqs on . This product uses the NVD API but is not endorsed or certified by the NVD.
Other references
- git.kernel.org
- git.kernel.org (b559a218eece132de0c58d444877b5627cbee524)
- git.kernel.org (b427e9f6d81c9341cba23ef92f860f99f830d91d)
- git.kernel.org (f383cff9fb382139980bac1bcd3f3f5d59f68435)
- git.kernel.org (1a150947f8480262a46c860f1acb9c6597ca7097)
Showing 5 of 8 recorded references.