Vulnerability-Lookup

FKIE_CVE-2025-37997

Vulnerability from fkie_nvd - Published: 2025-05-29 14:15 - Updated: 2025-12-16 20:20

Severity ?

5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Summary

In the Linux kernel, the following vulnerability has been resolved: netfilter: ipset: fix region locking in hash types Region locking introduced in v5.6-rc4 contained three macros to handle the region locks: ahash_bucket_start(), ahash_bucket_end() which gave back the start and end hash bucket values belonging to a given region lock and ahash_region() which should give back the region lock belonging to a given hash bucket. The latter was incorrect which can lead to a race condition between the garbage collector and adding new elements when a hash type of set is defined with timeouts.

References

URL	Tags
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/00cfc5fad1491796942a948808afb968a0a3f35b	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/226ce0ec38316d9e3739e73a64b6b8304646c658	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/6e002ecc1c8cfdfc866b9104ab7888da54613e59	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/82c1eb32693bc48251d92532975e19160987e5b9	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/8478a729c0462273188263136880480729e9efca	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/a3dfec485401943e315c394c29afe2db8f9481d6	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/aa77294b0f73bb8265987591460cd25b8722c3df	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/e2ab67672b2288521a6146034a971f9a82ffc5c5	Patch
af854a3a-2127-422b-91ae-364da2661108	https://lists.debian.org/debian-lts-announce/2025/08/msg00010.html	Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html	Third Party Advisory

Impacted products

Vendor	Product	Version
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	5.6
linux	linux_kernel	5.6
linux	linux_kernel	5.6
linux	linux_kernel	5.6
linux	linux_kernel	5.6
linux	linux_kernel	6.15
linux	linux_kernel	6.15
linux	linux_kernel	6.15
linux	linux_kernel	6.15
linux	linux_kernel	6.15
debian	debian_linux	11.0

JSON

To clipboard

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          "confidentialityImpact": "NONE",
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CVE-2025-37997 (GCVE-0-2025-37997)

Vulnerability from cvelistv5 – Published: 2025-05-29 13:15 – Updated: 2025-11-03 19:58

Title

netfilter: ipset: fix region locking in hash types

Summary

Severity ?

No CVSS data available.

Assigner

Linux

References

URL

Tags

	https://git.kernel.org/stable/c/00cfc5fad14917969…
	https://git.kernel.org/stable/c/226ce0ec38316d9e3…
	https://git.kernel.org/stable/c/82c1eb32693bc4825…
	https://git.kernel.org/stable/c/aa77294b0f73bb826…
	https://git.kernel.org/stable/c/a3dfec485401943e3…
	https://git.kernel.org/stable/c/e2ab67672b2288521…
	https://git.kernel.org/stable/c/6e002ecc1c8cfdfc8…
	https://git.kernel.org/stable/c/8478a729c04622731…

Impacted products

Vendor

Product

Version

Linux

Affected: 5dd9488ae41070b69d2f4acb580f77db5705f9ca , < 00cfc5fad1491796942a948808afb968a0a3f35b (git)
Affected: f66ee0410b1c3481ee75e5db9b34547b4d582465 , < 226ce0ec38316d9e3739e73a64b6b8304646c658 (git)
Affected: f66ee0410b1c3481ee75e5db9b34547b4d582465 , < 82c1eb32693bc48251d92532975e19160987e5b9 (git)
Affected: f66ee0410b1c3481ee75e5db9b34547b4d582465 , < aa77294b0f73bb8265987591460cd25b8722c3df (git)
Affected: f66ee0410b1c3481ee75e5db9b34547b4d582465 , < a3dfec485401943e315c394c29afe2db8f9481d6 (git)
Affected: f66ee0410b1c3481ee75e5db9b34547b4d582465 , < e2ab67672b2288521a6146034a971f9a82ffc5c5 (git)
Affected: f66ee0410b1c3481ee75e5db9b34547b4d582465 , < 6e002ecc1c8cfdfc866b9104ab7888da54613e59 (git)
Affected: f66ee0410b1c3481ee75e5db9b34547b4d582465 , < 8478a729c0462273188263136880480729e9efca (git)
Affected: a469bab3386aebff33c59506f3a95e35b91118fd (git)

Linux

Affected: 5.6
Unaffected: 0 , < 5.6 (semver)
Unaffected: 5.4.294 , ≤ 5.4.* (semver)
Unaffected: 5.10.238 , ≤ 5.10.* (semver)
Unaffected: 5.15.183 , ≤ 5.15.* (semver)
Unaffected: 6.1.139 , ≤ 6.1.* (semver)
Unaffected: 6.6.91 , ≤ 6.6.* (semver)
Unaffected: 6.12.29 , ≤ 6.12.* (semver)
Unaffected: 6.14.7 , ≤ 6.14.* (semver)
Unaffected: 6.15 , ≤ * (original_commit_for_fix)

Show details on NVD website

JSON

To clipboard

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                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.1.139",
                  "versionStartIncluding": "5.6",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.6.91",
                  "versionStartIncluding": "5.6",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.29",
                  "versionStartIncluding": "5.6",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.14.7",
                  "versionStartIncluding": "5.6",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.15",
                  "versionStartIncluding": "5.6",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionStartIncluding": "5.5.8",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: ipset: fix region locking in hash types\n\nRegion locking introduced in v5.6-rc4 contained three macros to handle\nthe region locks: ahash_bucket_start(), ahash_bucket_end() which gave\nback the start and end hash bucket values belonging to a given region\nlock and ahash_region() which should give back the region lock belonging\nto a given hash bucket. The latter was incorrect which can lead to a\nrace condition between the garbage collector and adding new elements\nwhen a hash type of set is defined with timeouts."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-06-04T12:57:44.619Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/00cfc5fad1491796942a948808afb968a0a3f35b"
        },
        {
          "url": "https://git.kernel.org/stable/c/226ce0ec38316d9e3739e73a64b6b8304646c658"
        },
        {
          "url": "https://git.kernel.org/stable/c/82c1eb32693bc48251d92532975e19160987e5b9"
        },
        {
          "url": "https://git.kernel.org/stable/c/aa77294b0f73bb8265987591460cd25b8722c3df"
        },
        {
          "url": "https://git.kernel.org/stable/c/a3dfec485401943e315c394c29afe2db8f9481d6"
        },
        {
          "url": "https://git.kernel.org/stable/c/e2ab67672b2288521a6146034a971f9a82ffc5c5"
        },
        {
          "url": "https://git.kernel.org/stable/c/6e002ecc1c8cfdfc866b9104ab7888da54613e59"
        },
        {
          "url": "https://git.kernel.org/stable/c/8478a729c0462273188263136880480729e9efca"
        }
      ],
      "title": "netfilter: ipset: fix region locking in hash types",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2025-37997",
    "datePublished": "2025-05-29T13:15:55.580Z",
    "dateReserved": "2025-04-16T04:51:23.976Z",
    "dateUpdated": "2025-11-03T19:58:10.817Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date

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

FKIE_CVE-2025-37997

CVE-2025-37997 (GCVE-0-2025-37997)

Tags

Sightings

Nomenclature