CVE-2026-64173
Published Jul 19, 2026
Description
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.
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EPSS — Exploit Prediction
0.0016
Probability of exploitation
0.06%
Percentile rank
EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.
References
Other References
https://git.kernel.org/stable/c/1a150947f8480262a46c860f1acb9c6597ca7097
https://git.kernel.org/stable/c/49332e49ad5b20262cc719b03d4123b9362de701
https://git.kernel.org/stable/c/798183376d9d3e278a270ea0e75a5769c8f145d9
https://git.kernel.org/stable/c/8f0f5c4fb9df0e19a341e0c6ed8dc4fda9124f03
https://git.kernel.org/stable/c/b427e9f6d81c9341cba23ef92f860f99f830d91d
https://git.kernel.org/stable/c/b559a218eece132de0c58d444877b5627cbee524
https://git.kernel.org/stable/c/b6723339736320b2e1784258ad4490cec7aac11a
https://git.kernel.org/stable/c/f383cff9fb382139980bac1bcd3f3f5d59f68435
Frequently Asked Questions
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.
How do I check if I'm vulnerable to CVE-2026-64173? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.