Medium 5.5Published Jul 19, 2026

CVE-2026-64173tracing: Do not call map->ops->elt_free() if elt_alloc() fails

Updated under an hour ago (Oct 27, 2026, 1:50 AM ET)

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Exploited in the last 30 days

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.

CVSS: 5.5 MEDIUM (v3.1, NVD)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness (CWE): Not given
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Linux
NVD analysis: Analyzed
Record last updated: Jul 19, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Linux Linux linux:linux (from the name)	from 2734b629525a9dae5bf217cbf0a9651da93d2108 before 49332e49ad5b20262cc719b03d4123b9362de701; from 2734b629525a9dae5bf217cbf0a9651da93d2108 before b559a218eece132de0c58d444877b5627cbee524; from 2734b629525a9dae5bf217cbf0a9651da93d2108 before b427e9f6d81c9341cba23ef92f860f99f830d91d; from 2734b629525a9dae5bf217cbf0a9651da93d2108 before f383cff9fb382139980bac1bcd3f3f5d59f68435; 2734b629525a9dae5bf217cbf0a9651da93d2108 builds before 1a150947f8480262a46c860f1acb9c6597ca7097; from 2734b629525a9dae5bf217cbf0a9651da93d2108 before 798183376d9d3e278a270ea0e75a5769c8f145d9; from 2734b629525a9dae5bf217cbf0a9651da93d2108 before b6723339736320b2e1784258ad4490cec7aac11a; 2734b629525a9dae5bf217cbf0a9651da93d2108 builds before 8f0f5c4fb9df0e19a341e0c6ed8dc4fda9124f03	CNA record
linux linux_kernel linux:linux_kernel	from 4.17 before 5.10.258; from 5.11 before 5.15.209; from 5.16 before 6.1.175; from 6.2 before 6.6.142; from 6.7 before 6.12.92; from 6.13 before 6.18.34; from 6.19 before 7.0.11; 7.1; and 3 more ranges	NVD

References

References

https://git.kernel.org/stable/c/49332e49ad5b20262cc719b03d4123b9362de701	patch
https://git.kernel.org/stable/c/b559a218eece132de0c58d444877b5627cbee524	patch
https://git.kernel.org/stable/c/b427e9f6d81c9341cba23ef92f860f99f830d91d	patch
https://git.kernel.org/stable/c/f383cff9fb382139980bac1bcd3f3f5d59f68435	patch
https://git.kernel.org/stable/c/1a150947f8480262a46c860f1acb9c6597ca7097	patch
https://git.kernel.org/stable/c/798183376d9d3e278a270ea0e75a5769c8f145d9	patch
https://git.kernel.org/stable/c/b6723339736320b2e1784258ad4490cec7aac11a	patch
https://git.kernel.org/stable/c/8f0f5c4fb9df0e19a341e0c6ed8dc4fda9124f03	patch

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.