CVE-2026-64028 tracing: Avoid NULL return from hist_field_name() on truncation

🗓️ 19 Jul 2026 15:39:19Reported by LinuxType

Avoid NULL from hist_field_name() on truncation; keep field_name empty on overflow to prevent crashes.

Reporter	Title	Published	Views	Family All 7
CVE	CVE-2026-64028	19 Jul 202615:39	–	cve
EUVD	EUVD-2026-45601	19 Jul 202615:39	–	euvd
NVD	CVE-2026-64028	19 Jul 202616:17	–	nvd
OSV	CVE-2026-64028 tracing: Avoid NULL return from hist_field_name() on truncation	19 Jul 202615:39	–	osv
OSV	DEBIAN-CVE-2026-64028	19 Jul 202616:17	–	osv
OSV	UBUNTU-CVE-2026-64028	20 Jul 202600:00	–	osv
Positive Technologies	PT-2026-61345	19 Jul 202600:00	–	ptsecurity

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "kernel/trace/trace_events_hist.c"
    ],
    "versions": [
      {
        "version": "2e8578364061c4e88ae33bc20c2d6f64f365f6a2",
        "lessThan": "e3f5d42cdc2f167719564693675f1eead81378ea",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "dfd1cd57ee6067301841b7b0967c70f910a51150",
        "lessThan": "37377b39ff86dacbc533275c1155210d4fd5dc91",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "e5c223f46c2e0691461dd97510c15e1f77148872",
        "lessThan": "0402a1d3ddec565132867337ed44514a09d84728",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "9399a92989354e34086f9a5c379493217df83c5e",
        "lessThan": "e91687643c440ca3997d67646e6f80b92edc6703",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "3cb6cb9c5a547a1979ad74f38eefe8e3687d96e0",
        "lessThan": "be4e99038c1603fa6b329d8ee3e364825e17c353",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "0402c60abe769098d77f3b3bd1e29a97922b614b",
        "lessThan": "d6c8b3ebdcdb12b59ad4212acb137cc56cae453d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6929e650db8451a9975ac0a631ba2d6e5d1e80ba",
        "lessThan": "915c1254fe0788abddc31095b360e9dc98907a34",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5ec1d1e97de134beed3a5b08235a60fc1c51af96",
        "lessThan": "576ec047d20b368b43c4d5db98c4f2e0f3c101ec",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "kernel/trace/trace_events_hist.c"
    ],
    "versions": [
      {
        "version": "6.6.141",
        "lessThan": "6.6.142",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "6.12.91",
        "lessThan": "6.12.92",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "6.18.33",
        "lessThan": "6.18.34",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "7.0.10",
        "lessThan": "7.0.11",
        "status": "affected",
        "versionType": "semver"
      }
    ]
  }
]

Source	Link
git	www.git.kernel.org/stable/c/d6c8b3ebdcdb12b59ad4212acb137cc56cae453d
git	www.git.kernel.org/stable/c/915c1254fe0788abddc31095b360e9dc98907a34
git	www.git.kernel.org/stable/c/0402a1d3ddec565132867337ed44514a09d84728
git	www.git.kernel.org/stable/c/be4e99038c1603fa6b329d8ee3e364825e17c353
git	www.git.kernel.org/stable/c/37377b39ff86dacbc533275c1155210d4fd5dc91
git	www.git.kernel.org/stable/c/e3f5d42cdc2f167719564693675f1eead81378ea
git	www.git.kernel.org/stable/c/576ec047d20b368b43c4d5db98c4f2e0f3c101ec
git	www.git.kernel.org/stable/c/e91687643c440ca3997d67646e6f80b92edc6703

19 Jul 2026 15:39Current

EPSS0.00185