Vulnerability-Lookup

GHSA-2PV6-RXGJ-2695

Vulnerability from github – Published: 2026-07-19 18:31 – Updated: 2026-07-19 18:31

Details

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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{
  "affected": [],
  "aliases": [
    "CVE-2026-64173"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-07-19T16:17:59Z",
    "severity": null
  },
  "details": "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.",
  "id": "GHSA-2pv6-rxgj-2695",
  "modified": "2026-07-19T18:31:54Z",
  "published": "2026-07-19T18:31:54Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-64173"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/1a150947f8480262a46c860f1acb9c6597ca7097"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/49332e49ad5b20262cc719b03d4123b9362de701"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/798183376d9d3e278a270ea0e75a5769c8f145d9"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/8f0f5c4fb9df0e19a341e0c6ed8dc4fda9124f03"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b427e9f6d81c9341cba23ef92f860f99f830d91d"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b559a218eece132de0c58d444877b5627cbee524"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b6723339736320b2e1784258ad4490cec7aac11a"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f383cff9fb382139980bac1bcd3f3f5d59f68435"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

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

Vulnerability from cvelistv5 – Published: 2026-07-19 15:40 – Updated: 2026-07-19 15:40

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

No CVSS data available.

Assigner

Linux

References

8 references

URL	Tags
https://git.kernel.org/stable/c/49332e49ad5b20262…
https://git.kernel.org/stable/c/b559a218eece132de…
https://git.kernel.org/stable/c/b427e9f6d81c9341c…
https://git.kernel.org/stable/c/f383cff9fb3821399…
https://git.kernel.org/stable/c/1a150947f8480262a…
https://git.kernel.org/stable/c/798183376d9d3e278…
https://git.kernel.org/stable/c/b6723339736320b2e…
https://git.kernel.org/stable/c/8f0f5c4fb9df0e19a…

Impacted products

2 products

Vendor	Product	Version
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)
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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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "kernel/trace/tracing_map.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
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              "status": "affected",
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              "versionType": "git"
            },
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              "versionType": "git"
            },
            {
              "lessThan": "b427e9f6d81c9341cba23ef92f860f99f830d91d",
              "status": "affected",
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            },
            {
              "lessThan": "f383cff9fb382139980bac1bcd3f3f5d59f68435",
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            },
            {
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              "status": "affected",
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            {
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            },
            {
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              "versionType": "git"
            },
            {
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          ]
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          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "4.17"
            },
            {
              "lessThan": "4.17",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.258",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.209",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.175",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.142",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.92",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.34",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.0.*",
              "status": "unaffected",
              "version": "7.0.11",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.1",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
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                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.10.258",
                  "versionStartIncluding": "4.17",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.15.209",
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                },
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                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                }
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        {
          "lang": "en",
          "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."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-07-19T15:40:58.251Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
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        {
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        {
          "url": "https://git.kernel.org/stable/c/8f0f5c4fb9df0e19a341e0c6ed8dc4fda9124f03"
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      "title": "tracing: Do not call map-\u003eops-\u003eelt_free() if elt_alloc() fails",
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    "cveId": "CVE-2026-64173",
    "datePublished": "2026-07-19T15:40:58.251Z",
    "dateReserved": "2026-07-19T07:54:57.039Z",
    "dateUpdated": "2026-07-19T15:40:58.251Z",
    "state": "PUBLISHED"
  },
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}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-2PV6-RXGJ-2695

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

Tags

Sightings

Nomenclature