CVE-2026-64173 (GCVE-0-2026-64173)

Vulnerability from cvelistv5 – Published: 2026-07-19 15:40 – Updated: 2026-07-19 15:40
VLAI
Title
tracing: Do not call map->ops->elt_free() if elt_alloc() fails
Summary
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.
Severity
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 2734b629525a9dae5bf217cbf0a9651da93d2108 , < 49332e49ad5b20262cc719b03d4123b9362de701 (git)
Affected: 2734b629525a9dae5bf217cbf0a9651da93d2108 , < b559a218eece132de0c58d444877b5627cbee524 (git)
Affected: 2734b629525a9dae5bf217cbf0a9651da93d2108 , < b427e9f6d81c9341cba23ef92f860f99f830d91d (git)
Affected: 2734b629525a9dae5bf217cbf0a9651da93d2108 , < f383cff9fb382139980bac1bcd3f3f5d59f68435 (git)
Affected: 2734b629525a9dae5bf217cbf0a9651da93d2108 , < 1a150947f8480262a46c860f1acb9c6597ca7097 (git)
Affected: 2734b629525a9dae5bf217cbf0a9651da93d2108 , < 798183376d9d3e278a270ea0e75a5769c8f145d9 (git)
Affected: 2734b629525a9dae5bf217cbf0a9651da93d2108 , < b6723339736320b2e1784258ad4490cec7aac11a (git)
Affected: 2734b629525a9dae5bf217cbf0a9651da93d2108 , < 8f0f5c4fb9df0e19a341e0c6ed8dc4fda9124f03 (git)
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Linux Linux Affected: 4.17
Unaffected: 0 , < 4.17 (semver)
Unaffected: 5.10.258 , ≤ 5.10.* (semver)
Unaffected: 5.15.209 , ≤ 5.15.* (semver)
Unaffected: 6.1.175 , ≤ 6.1.* (semver)
Unaffected: 6.6.142 , ≤ 6.6.* (semver)
Unaffected: 6.12.92 , ≤ 6.12.* (semver)
Unaffected: 6.18.34 , ≤ 6.18.* (semver)
Unaffected: 7.0.11 , ≤ 7.0.* (semver)
Unaffected: 7.1 , ≤ * (original_commit_for_fix)
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ntracing: Do not call map-\u003eops-\u003eelt_free() if elt_alloc() fails\n\nIn paths where tracing_map_elt_alloc() failed to allocate objects,\nthe map-\u003eops-\u003eelt_alloc() call was never successful. In this case,\nmap-\u003eops-\u003eelt_free() should not be called."
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    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-08-13T16:45:33+00:00",
      "cve": "CVE-2026-64173",
      "id": "CVE-2026-64173",
      "initial_release_date": "2026-07-19T00:00:00+00:00",
      "product_status:known_affected": "232",
      "product_status:known_not_affected": "42",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: tracing: Do not call map-\u003eops-\u003eelt_free() if elt_alloc() fails",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-64173.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-08-14T00:54:10Z",
      "cve": "CVE-2026-64173",
      "id": "CVE-2026-64173",
      "initial_release_date": "2026-07-21T12:58:22Z",
      "product_status:known_affected": "243",
      "product_status:known_not_affected": "53",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2026-64173",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2026-64173.json",
      "version": "4"
    }
  }
}



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