CVE-2025-21772 (GCVE-0-2025-21772)

Vulnerability from cvelistv5 – Published: 2025-02-27 02:18 – Updated: 2026-08-05 11:54
VLAI
Title
partitions: mac: fix handling of bogus partition table
Summary
In the Linux kernel, the following vulnerability has been resolved: partitions: mac: fix handling of bogus partition table Fix several issues in partition probing: - The bailout for a bad partoffset must use put_dev_sector(), since the preceding read_part_sector() succeeded. - If the partition table claims a silly sector size like 0xfff bytes (which results in partition table entries straddling sector boundaries), bail out instead of accessing out-of-bounds memory. - We must not assume that the partition table contains proper NUL termination - use strnlen() and strncmp() instead of strlen() and strcmp().
Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 02e2a5bfebe99edcf9d694575a75032d53fe1b73 , < a3e77da9f843e4ab93917d30c314f0283e28c124 (git)
Affected: 02e2a5bfebe99edcf9d694575a75032d53fe1b73 , < 213ba5bd81b7e97ac6e6190b8f3bc6ba76123625 (git)
Affected: 02e2a5bfebe99edcf9d694575a75032d53fe1b73 , < 40a35d14f3c0dc72b689061ec72fc9b193f37d1f (git)
Affected: 02e2a5bfebe99edcf9d694575a75032d53fe1b73 , < 27a39d006f85e869be68c1d5d2ce05e5d6445bf5 (git)
Affected: 02e2a5bfebe99edcf9d694575a75032d53fe1b73 , < 92527100be38ede924768f4277450dfe8a40e16b (git)
Affected: 02e2a5bfebe99edcf9d694575a75032d53fe1b73 , < 6578717ebca91678131d2b1f4ba4258e60536e9f (git)
Affected: 02e2a5bfebe99edcf9d694575a75032d53fe1b73 , < 7fa9706722882f634090bfc9af642bf9ed719e27 (git)
Affected: 02e2a5bfebe99edcf9d694575a75032d53fe1b73 , < 80e648042e512d5a767da251d44132553fe04ae0 (git)
Affected: 81a319c5c29913a23947f3d28513974682f3af03 (git)
Affected: 34a906cd9f6445d9510841667eff0d980279ebf3 (git)
Affected: 2a27f61bd411e564eb4651c18d225f6e9e1de534 (git)
Affected: 69aad7e01c8e883e9d2f8dc5523bd419bd02d2aa (git)
Affected: 7f4f03c4a1e9a4b9679feafe7625a780864a4e76 (git)
Affected: 3.2.75 , < 3.3 (semver)
Affected: 3.4.113 , < 3.5 (semver)
Affected: 3.10.99 , < 3.11 (semver)
Affected: 3.12.56 , < 3.13 (semver)
Affected: 3.14.63 , < 3.15 (semver)
Create a notification for this product.
Linux Linux Affected: 4.4
Unaffected: 0 , < 4.4 (semver)
Unaffected: 5.4.291 , ≤ 5.4.* (semver)
Unaffected: 5.10.235 , ≤ 5.10.* (semver)
Unaffected: 5.15.179 , ≤ 5.15.* (semver)
Unaffected: 6.1.129 , ≤ 6.1.* (semver)
Unaffected: 6.6.79 , ≤ 6.6.* (semver)
Unaffected: 6.12.16 , ≤ 6.12.* (semver)
Unaffected: 6.13.4 , ≤ 6.13.* (semver)
Unaffected: 6.14 , ≤ * (original_commit_for_fix)
Create a notification for this product.
Siemens SIMATIC S7-1500 TM MFP - GNU/Linux subsystem Affected: 0 , < * (custom)
Create a notification for this product.
Show details on NVD website
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    },
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El rescate para un partoffset incorrecto debe usar put_dev_sector(), ya que el read_part_sector() anterior tuvo \u00e9xito. - Si la tabla de particiones reclama un tama\u00f1o de sector tonto como 0xfff bytes (lo que da como resultado que las entradas de la tabla de particiones se extiendan a ambos lados de los l\u00edmites del sector), salga en lugar de acceder a la memoria fuera de los l\u00edmites. - No debemos asumir que la tabla de particiones contiene la terminaci\u00f3n NUL adecuada: use strnlen() y strncmp() en lugar de strlen() y strcmp().\"}],\"affected\":[{\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"affectedData\":[{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"unaffected\",\"programFiles\":[\"block/partitions/mac.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"02e2a5bfebe99edcf9d694575a75032d53fe1b73\",\"lessThan\":\"a3e77da9f843e4ab93917d30c314f0283e28c124\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"02e2a5bfebe99edcf9d694575a75032d53fe1b73\",\"lessThan\":\"213ba5bd81b7e97ac6e6190b8f3bc6ba76123625\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"02e2a5bfebe99edcf9d694575a75032d53fe1b73\",\"lessThan\":\"40a35d14f3c0dc72b689061ec72fc9b193f37d1f\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"02e2a5bfebe99edcf9d694575a75032d53fe1b73\",\"lessThan\":\"27a39d006f85e869be68c1d5d2ce05e5d6445bf5\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"02e2a5bfebe99edcf9d694575a75032d53fe1b73\",\"lessThan\":\"92527100be38ede924768f4277450dfe8a40e16b\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"02e2a5bfebe99edcf9d694575a75032d53fe1b73\",\"lessThan\":\"6578717ebca91678131d2b1f4ba4258e60536e9f\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"02e2a5bfebe99edcf9d694575a75032d53fe1b73\",\"lessThan\":\"7fa9706722882f634090bfc9af642bf9ed719e27\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"02e2a5bfebe99edcf9d694575a75032d53fe1b73\",\"lessThan\":\"80e648042e512d5a767da251d44132553fe04ae0\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"81a319c5c29913a23947f3d28513974682f3af03\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"34a906cd9f6445d9510841667eff0d980279ebf3\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"2a27f61bd411e564eb4651c18d225f6e9e1de534\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"69aad7e01c8e883e9d2f8dc5523bd419bd02d2aa\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"7f4f03c4a1e9a4b9679feafe7625a780864a4e76\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"3.2.75\",\"lessThan\":\"3.3\",\"versionType\":\"semver\",\"status\":\"affected\"},{\"version\":\"3.4.113\",\"lessThan\":\"3.5\",\"versionType\":\"semver\",\"status\":\"affected\"},{\"version\":\"3.10.99\",\"lessThan\":\"3.11\",\"versionType\":\"semver\",\"status\":\"affected\"},{\"version\":\"3.12.56\",\"lessThan\":\"3.13\",\"versionType\":\"semver\",\"status\":\"affected\"},{\"version\":\"3.14.63\",\"lessThan\":\"3.15\",\"versionType\":\"semver\",\"status\":\"affected\"}]},{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"affected\",\"programFiles\":[\"block/partitions/mac.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"4.4\",\"status\":\"affected\"},{\"version\":\"0\",\"lessThan\":\"4.4\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.4.291\",\"lessThanOrEqual\":\"5.4.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.10.235\",\"lessThanOrEqual\":\"5.10.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.15.179\",\"lessThanOrEqual\":\"5.15.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.1.129\",\"lessThanOrEqual\":\"6.1.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.6.79\",\"lessThanOrEqual\":\"6.6.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.12.16\",\"lessThanOrEqual\":\"6.12.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.13.4\",\"lessThanOrEqual\":\"6.13.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.14\",\"lessThanOrEqual\":\"*\",\"versionType\":\"original_commit_for_fix\",\"status\":\"unaffected\"}]}]},{\"source\":\"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e\",\"affectedData\":[{\"vendor\":\"Siemens\",\"product\":\"SIMATIC S7-1500 TM MFP - GNU/Linux subsystem\",\"defaultStatus\":\"unknown\",\"versions\":[{\"version\":\"0\",\"lessThan\":\"*\",\"versionType\":\"custom\",\"status\":\"affected\"}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":7.8,\"baseSeverity\":\"HIGH\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":5.9},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":7.8,\"baseSeverity\":\"HIGH\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":5.9}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-787\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"5.4.291\",\"matchCriteriaId\":\"7D4BCF5F-A64A-4766-A4C7-E33396F9300A\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.5\",\"versionEndExcluding\":\"5.10.235\",\"matchCriteriaId\":\"545121FA-DE31-4154-9446-C2000FB4104D\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.11\",\"versionEndExcluding\":\"5.15.179\",\"matchCriteriaId\":\"C708062C-4E1B-465F-AE6D-C09C46400875\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.16\",\"versionEndExcluding\":\"6.1.129\",\"matchCriteriaId\":\"2DA5009C-C9B9-4A1D-9B96-78427E8F232C\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.2\",\"versionEndExcluding\":\"6.6.79\",\"matchCriteriaId\":\"B16AADE5-B2FD-4C14-B4E4-85E8EDAFE775\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.7\",\"versionEndExcluding\":\"6.12.16\",\"matchCriteriaId\":\"13C8DB18-FC60-425F-84E5-3EDDEC61B2FC\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.13\",\"versionEndExcluding\":\"6.13.4\",\"matchCriteriaId\":\"2A2093ED-74A9-43F9-AC72-50030F374EA4\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.14:rc1:*:*:*:*:*:*\",\"matchCriteriaId\":\"186716B6-2B66-4BD0-852E-D48E71C0C85F\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.14:rc2:*:*:*:*:*:*\",\"matchCriteriaId\":\"0D3E781C-403A-498F-9DA9-ECEE50F41E75\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/213ba5bd81b7e97ac6e6190b8f3bc6ba76123625\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/27a39d006f85e869be68c1d5d2ce05e5d6445bf5\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/40a35d14f3c0dc72b689061ec72fc9b193f37d1f\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/6578717ebca91678131d2b1f4ba4258e60536e9f\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/7fa9706722882f634090bfc9af642bf9ed719e27\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/80e648042e512d5a767da251d44132553fe04ae0\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/92527100be38ede924768f4277450dfe8a40e16b\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/a3e77da9f843e4ab93917d30c314f0283e28c124\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://lists.debian.org/debian-lts-announce/2025/03/msg00028.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://cert-portal.siemens.com/productcert/html/ssa-265688.html\",\"source\":\"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e\"}]}}",
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-07-30T09:38:40+00:00",
      "cve": "CVE-2025-21772",
      "id": "CVE-2025-21772",
      "initial_release_date": "2025-02-27T00:00:00+00:00",
      "product_status:known_affected": "260",
      "product_status:known_not_affected": "14",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: partitions: mac: fix handling of bogus partition table",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-21772.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "important",
      "current_release_date": "2026-07-25T01:05:24Z",
      "cve": "CVE-2025-21772",
      "id": "CVE-2025-21772",
      "initial_release_date": "2025-02-28T02:21:03Z",
      "product_status:known_affected": "461",
      "product_status:recommended": "828",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2025-21772",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2025-21772.json",
      "version": "69"
    }
  }
}



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Tags
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.