CVE-2025-68724 (GCVE-0-2025-68724)

Vulnerability from cvelistv5 – Published: 2025-12-24 10:33 – Updated: 2026-06-16 19:22
VLAI
Title
crypto: asymmetric_keys - prevent overflow in asymmetric_key_generate_id
Summary
In the Linux kernel, the following vulnerability has been resolved: crypto: asymmetric_keys - prevent overflow in asymmetric_key_generate_id Use check_add_overflow() to guard against potential integer overflows when adding the binary blob lengths and the size of an asymmetric_key_id structure and return ERR_PTR(-EOVERFLOW) accordingly. This prevents a possible buffer overflow when copying data from potentially malicious X.509 certificate fields that can be arbitrarily large, such as ASN.1 INTEGER serial numbers, issuer names, etc.
Severity
No CVSS data available.
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 7901c1a8effbe5f89673bfc09d6e37b8f334f1a7 , < 60a7be5ee74408147e439164ac067e418ca74bb4 (git)
Affected: 7901c1a8effbe5f89673bfc09d6e37b8f334f1a7 , < c13c6e9de91d7f1dd7df756b1fa5a1f968839d76 (git)
Affected: 7901c1a8effbe5f89673bfc09d6e37b8f334f1a7 , < dfc1613961828745165aec6552c3818fa14ab725 (git)
Affected: 7901c1a8effbe5f89673bfc09d6e37b8f334f1a7 , < 5b8ac617c8dab5cad3c4dc8d84d0987808a0f99c (git)
Affected: 7901c1a8effbe5f89673bfc09d6e37b8f334f1a7 , < c73be4f51eed98fa0c7c189db8f279e1c86bfbf7 (git)
Affected: 7901c1a8effbe5f89673bfc09d6e37b8f334f1a7 , < 6af753ac5205115e6c310c8c4236c01b59a1c44f (git)
Affected: 7901c1a8effbe5f89673bfc09d6e37b8f334f1a7 , < b7090a5c153105b9fd221a5a81459ee8cd5babd6 (git)
Affected: 7901c1a8effbe5f89673bfc09d6e37b8f334f1a7 , < df0845cf447ae1556c3440b8b155de0926cbaa56 (git)
Create a notification for this product.
Linux Linux Affected: 3.18
Unaffected: 0 , < 3.18 (semver)
Unaffected: 5.10.248 , ≤ 5.10.* (semver)
Unaffected: 5.15.198 , ≤ 5.15.* (semver)
Unaffected: 6.1.160 , ≤ 6.1.* (semver)
Unaffected: 6.6.120 , ≤ 6.6.* (semver)
Unaffected: 6.12.63 , ≤ 6.12.* (semver)
Unaffected: 6.17.13 , ≤ 6.17.* (semver)
Unaffected: 6.18.2 , ≤ 6.18.* (semver)
Unaffected: 6.19 , ≤ * (original_commit_for_fix)
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      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2025-68724\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"yes\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-06-16T19:22:49.497362Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-06-16T19:22:54.837Z\"}}], \"cna\": {\"title\": \"crypto: asymmetric_keys - prevent overflow in asymmetric_key_generate_id\", \"affected\": [{\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"7901c1a8effbe5f89673bfc09d6e37b8f334f1a7\", \"lessThan\": \"60a7be5ee74408147e439164ac067e418ca74bb4\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"7901c1a8effbe5f89673bfc09d6e37b8f334f1a7\", \"lessThan\": \"c13c6e9de91d7f1dd7df756b1fa5a1f968839d76\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"7901c1a8effbe5f89673bfc09d6e37b8f334f1a7\", \"lessThan\": \"dfc1613961828745165aec6552c3818fa14ab725\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"7901c1a8effbe5f89673bfc09d6e37b8f334f1a7\", \"lessThan\": \"5b8ac617c8dab5cad3c4dc8d84d0987808a0f99c\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"7901c1a8effbe5f89673bfc09d6e37b8f334f1a7\", \"lessThan\": \"c73be4f51eed98fa0c7c189db8f279e1c86bfbf7\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"7901c1a8effbe5f89673bfc09d6e37b8f334f1a7\", \"lessThan\": \"6af753ac5205115e6c310c8c4236c01b59a1c44f\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"7901c1a8effbe5f89673bfc09d6e37b8f334f1a7\", \"lessThan\": \"b7090a5c153105b9fd221a5a81459ee8cd5babd6\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"7901c1a8effbe5f89673bfc09d6e37b8f334f1a7\", \"lessThan\": \"df0845cf447ae1556c3440b8b155de0926cbaa56\", \"versionType\": \"git\"}], \"programFiles\": [\"crypto/asymmetric_keys/asymmetric_type.c\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"3.18\"}, {\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"3.18\", \"versionType\": \"semver\"}, {\"status\": \"unaffected\", \"version\": \"5.10.248\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.10.*\"}, {\"status\": \"unaffected\", \"version\": \"5.15.198\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.15.*\"}, {\"status\": \"unaffected\", \"version\": \"6.1.160\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.1.*\"}, {\"status\": \"unaffected\", \"version\": \"6.6.120\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.6.*\"}, {\"status\": \"unaffected\", \"version\": \"6.12.63\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.12.*\"}, {\"status\": \"unaffected\", \"version\": \"6.17.13\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.17.*\"}, {\"status\": \"unaffected\", \"version\": \"6.18.2\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.18.*\"}, {\"status\": \"unaffected\", \"version\": \"6.19\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"crypto/asymmetric_keys/asymmetric_type.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/60a7be5ee74408147e439164ac067e418ca74bb4\"}, {\"url\": \"https://git.kernel.org/stable/c/c13c6e9de91d7f1dd7df756b1fa5a1f968839d76\"}, {\"url\": \"https://git.kernel.org/stable/c/dfc1613961828745165aec6552c3818fa14ab725\"}, {\"url\": \"https://git.kernel.org/stable/c/5b8ac617c8dab5cad3c4dc8d84d0987808a0f99c\"}, {\"url\": \"https://git.kernel.org/stable/c/c73be4f51eed98fa0c7c189db8f279e1c86bfbf7\"}, {\"url\": \"https://git.kernel.org/stable/c/6af753ac5205115e6c310c8c4236c01b59a1c44f\"}, {\"url\": \"https://git.kernel.org/stable/c/b7090a5c153105b9fd221a5a81459ee8cd5babd6\"}, {\"url\": \"https://git.kernel.org/stable/c/df0845cf447ae1556c3440b8b155de0926cbaa56\"}], \"x_generator\": {\"engine\": \"bippy-1.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\ncrypto: asymmetric_keys - prevent overflow in asymmetric_key_generate_id\\n\\nUse check_add_overflow() to guard against potential integer overflows\\nwhen adding the binary blob lengths and the size of an asymmetric_key_id\\nstructure and return ERR_PTR(-EOVERFLOW) accordingly. This prevents a\\npossible buffer overflow when copying data from potentially malicious\\nX.509 certificate fields that can be arbitrarily large, such as ASN.1\\nINTEGER serial numbers, issuer names, etc.\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.10.248\", \"versionStartIncluding\": \"3.18\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.15.198\", \"versionStartIncluding\": \"3.18\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.1.160\", \"versionStartIncluding\": \"3.18\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.6.120\", \"versionStartIncluding\": \"3.18\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.12.63\", \"versionStartIncluding\": \"3.18\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.17.13\", \"versionStartIncluding\": \"3.18\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.18.2\", \"versionStartIncluding\": \"3.18\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.19\", \"versionStartIncluding\": \"3.18\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2026-05-11T21:52:06.966Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2025-68724\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-06-16T19:22:59.107Z\", \"dateReserved\": \"2025-12-24T10:30:51.027Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2025-12-24T10:33:08.932Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


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Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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.