CVE-2025-71116 (GCVE-0-2025-71116)

Vulnerability from cvelistv5 – Published: 2026-01-14 15:06 – Updated: 2026-06-11 18:44
VLAI
Title
libceph: make decode_pool() more resilient against corrupted osdmaps
Summary
In the Linux kernel, the following vulnerability has been resolved: libceph: make decode_pool() more resilient against corrupted osdmaps If the osdmap is (maliciously) corrupted such that the encoded length of ceph_pg_pool envelope is less than what is expected for a particular encoding version, out-of-bounds reads may ensue because the only bounds check that is there is based on that length value. This patch adds explicit bounds checks for each field that is decoded or skipped.
Severity
No CVSS data available.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 4f6a7e5ee1393ec4b243b39dac9f36992d161540 , < d061be4c8040ffb1110d537654a038b8b6ad39d2 (git)
Affected: 4f6a7e5ee1393ec4b243b39dac9f36992d161540 , < 145d140abda80e33331c5781d6603014fa75d258 (git)
Affected: 4f6a7e5ee1393ec4b243b39dac9f36992d161540 , < c82e39ff67353a5a6cbc07b786b8690bd2c45aaa (git)
Affected: 4f6a7e5ee1393ec4b243b39dac9f36992d161540 , < e927ab132b87ba3f076705fc2684d94b24201ed1 (git)
Affected: 4f6a7e5ee1393ec4b243b39dac9f36992d161540 , < 5d0d8c292531fe356c4e94dcfdf7d7212aca9957 (git)
Affected: 4f6a7e5ee1393ec4b243b39dac9f36992d161540 , < 2acb8517429ab42146c6c0ac1daed1f03d2fd125 (git)
Affected: 4f6a7e5ee1393ec4b243b39dac9f36992d161540 , < 8c738512714e8c0aa18f8a10c072d5b01c83db39 (git)
Create a notification for this product.
Linux Linux Affected: 3.9
Unaffected: 0 , < 3.9 (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: 6.12.64 , ≤ 6.12.* (semver)
Unaffected: 6.18.3 , ≤ 6.18.* (semver)
Unaffected: 6.19 , ≤ * (original_commit_for_fix)
Create a notification for this product.
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    "redhat_vex": {
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      "current_release_date": "2026-07-06T19:35:11+00:00",
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      "product_status:fixed": "1364",
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      "product_status:known_not_affected": "14",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: libceph: make decode_pool() more resilient against corrupted osdmaps",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-71116.json",
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    },
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2025-71116\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-06-10T20:42:27.725166Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-06-11T17:39:26.166Z\"}}], \"cna\": {\"title\": \"libceph: make decode_pool() more resilient against corrupted osdmaps\", \"affected\": [{\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"4f6a7e5ee1393ec4b243b39dac9f36992d161540\", \"lessThan\": \"d061be4c8040ffb1110d537654a038b8b6ad39d2\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"4f6a7e5ee1393ec4b243b39dac9f36992d161540\", \"lessThan\": \"145d140abda80e33331c5781d6603014fa75d258\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"4f6a7e5ee1393ec4b243b39dac9f36992d161540\", \"lessThan\": \"c82e39ff67353a5a6cbc07b786b8690bd2c45aaa\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"4f6a7e5ee1393ec4b243b39dac9f36992d161540\", \"lessThan\": \"e927ab132b87ba3f076705fc2684d94b24201ed1\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"4f6a7e5ee1393ec4b243b39dac9f36992d161540\", \"lessThan\": \"5d0d8c292531fe356c4e94dcfdf7d7212aca9957\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"4f6a7e5ee1393ec4b243b39dac9f36992d161540\", \"lessThan\": \"2acb8517429ab42146c6c0ac1daed1f03d2fd125\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"4f6a7e5ee1393ec4b243b39dac9f36992d161540\", \"lessThan\": \"8c738512714e8c0aa18f8a10c072d5b01c83db39\", \"versionType\": \"git\"}], \"programFiles\": [\"net/ceph/osdmap.c\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"3.9\"}, {\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"3.9\", \"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\": \"6.12.64\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.12.*\"}, {\"status\": \"unaffected\", \"version\": \"6.18.3\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.18.*\"}, {\"status\": \"unaffected\", \"version\": \"6.19\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"net/ceph/osdmap.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/d061be4c8040ffb1110d537654a038b8b6ad39d2\"}, {\"url\": \"https://git.kernel.org/stable/c/145d140abda80e33331c5781d6603014fa75d258\"}, {\"url\": \"https://git.kernel.org/stable/c/c82e39ff67353a5a6cbc07b786b8690bd2c45aaa\"}, {\"url\": \"https://git.kernel.org/stable/c/e927ab132b87ba3f076705fc2684d94b24201ed1\"}, {\"url\": \"https://git.kernel.org/stable/c/5d0d8c292531fe356c4e94dcfdf7d7212aca9957\"}, {\"url\": \"https://git.kernel.org/stable/c/2acb8517429ab42146c6c0ac1daed1f03d2fd125\"}, {\"url\": \"https://git.kernel.org/stable/c/8c738512714e8c0aa18f8a10c072d5b01c83db39\"}], \"x_generator\": {\"engine\": \"bippy-1.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\nlibceph: make decode_pool() more resilient against corrupted osdmaps\\n\\nIf the osdmap is (maliciously) corrupted such that the encoded length\\nof ceph_pg_pool envelope is less than what is expected for a particular\\nencoding version, out-of-bounds reads may ensue because the only bounds\\ncheck that is there is based on that length value.\\n\\nThis patch adds explicit bounds checks for each field that is decoded\\nor skipped.\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.10.248\", \"versionStartIncluding\": \"3.9\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.15.198\", \"versionStartIncluding\": \"3.9\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.1.160\", \"versionStartIncluding\": \"3.9\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.6.120\", \"versionStartIncluding\": \"3.9\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.12.64\", \"versionStartIncluding\": \"3.9\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.18.3\", \"versionStartIncluding\": \"3.9\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.19\", \"versionStartIncluding\": \"3.9\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2026-05-11T21:55:10.575Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2025-71116\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-06-11T18:44:23.486Z\", \"dateReserved\": \"2026-01-13T15:30:19.653Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2026-01-14T15:06:04.476Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



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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.