Vulnerability-Lookup

GHSA-QG9V-J962-8X98

Vulnerability from github – Published: 2026-06-24 18:32 – Updated: 2026-06-24 18:32

Details

In the Linux kernel, the following vulnerability has been resolved:

netfilter: nft_ct: fix missing expect put in obj eval

nft_ct_expect_obj_eval() allocates an expectation and may call nf_ct_expect_related(), but never drops its local reference.

Add nf_ct_expect_put(exp) before return to balance allocation.

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{
  "affected": [],
  "aliases": [
    "CVE-2026-52970"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-06-24T17:17:07Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: nft_ct: fix missing expect put in obj eval\n\nnft_ct_expect_obj_eval() allocates an expectation and may call\nnf_ct_expect_related(), but never drops its local reference.\n\nAdd nf_ct_expect_put(exp) before return to balance allocation.",
  "id": "GHSA-qg9v-j962-8x98",
  "modified": "2026-06-24T18:32:42Z",
  "published": "2026-06-24T18:32:42Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-52970"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/19f94b6fee75b3ef7fbc06f3745b9a771a8a19a4"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/1dced0725e2fae3ac3416274db20a7ff5a46931d"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/26ab32ec73941871c97562ee1f39587950dc3b68"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/2aef1b13d5c0285f340512c6c07eb858fd018fd8"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/7b96242ceedfe249f158419f3254bcee04173ffe"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/84c422cea5a45fe56be839f25880f21fd33940cd"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/cdb9a25dd3416d427e8b2753210f8baf44207577"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ecca618e1e339494911090474ed87742c0f73976"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2026-52970 (GCVE-0-2026-52970)

Vulnerability from cvelistv5 – Published: 2026-06-24 16:28 – Updated: 2026-06-24 16:28

Title

netfilter: nft_ct: fix missing expect put in obj eval

Summary

In the Linux kernel, the following vulnerability has been resolved: netfilter: nft_ct: fix missing expect put in obj eval nft_ct_expect_obj_eval() allocates an expectation and may call nf_ct_expect_related(), but never drops its local reference. Add nf_ct_expect_put(exp) before return to balance allocation.

Severity

No CVSS data available.

Assigner

Linux

References

8 references

URL	Tags
https://git.kernel.org/stable/c/cdb9a25dd3416d427…
https://git.kernel.org/stable/c/26ab32ec73941871c…
https://git.kernel.org/stable/c/7b96242ceedfe249f…
https://git.kernel.org/stable/c/ecca618e1e3394949…
https://git.kernel.org/stable/c/2aef1b13d5c0285f3…
https://git.kernel.org/stable/c/1dced0725e2fae3ac…
https://git.kernel.org/stable/c/84c422cea5a45fe56…
https://git.kernel.org/stable/c/19f94b6fee75b3ef7…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: 857b46027d6f91150797295752581b7155b9d0e1 , < cdb9a25dd3416d427e8b2753210f8baf44207577 (git) Affected: 857b46027d6f91150797295752581b7155b9d0e1 , < 26ab32ec73941871c97562ee1f39587950dc3b68 (git) Affected: 857b46027d6f91150797295752581b7155b9d0e1 , < 7b96242ceedfe249f158419f3254bcee04173ffe (git) Affected: 857b46027d6f91150797295752581b7155b9d0e1 , < ecca618e1e339494911090474ed87742c0f73976 (git) Affected: 857b46027d6f91150797295752581b7155b9d0e1 , < 2aef1b13d5c0285f340512c6c07eb858fd018fd8 (git) Affected: 857b46027d6f91150797295752581b7155b9d0e1 , < 1dced0725e2fae3ac3416274db20a7ff5a46931d (git) Affected: 857b46027d6f91150797295752581b7155b9d0e1 , < 84c422cea5a45fe56be839f25880f21fd33940cd (git) Affected: 857b46027d6f91150797295752581b7155b9d0e1 , < 19f94b6fee75b3ef7fbc06f3745b9a771a8a19a4 (git)
Linux	Linux	Affected: 5.3 Unaffected: 0 , < 5.3 (semver) Unaffected: 5.10.258 , ≤ 5.10.* (semver) Unaffected: 5.15.209 , ≤ 5.15.* (semver) Unaffected: 6.1.175 , ≤ 6.1.* (semver) Unaffected: 6.6.141 , ≤ 6.6.* (semver) Unaffected: 6.12.91 , ≤ 6.12.* (semver) Unaffected: 6.18.33 , ≤ 6.18.* (semver) Unaffected: 7.0.10 , ≤ 7.0.* (semver) Unaffected: 7.1 , ≤ * (original_commit_for_fix)

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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.

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GHSA-QG9V-J962-8X98

CVE-2026-52970 (GCVE-0-2026-52970)

Tags

Sightings

Nomenclature