CVE-2025-38195 (GCVE-0-2025-38195)

Vulnerability from cvelistv5 – Published: 2025-07-04 13:37 – Updated: 2026-05-23 15:59
VLAI
Title
LoongArch: Fix panic caused by NULL-PMD in huge_pte_offset()
Summary
In the Linux kernel, the following vulnerability has been resolved: LoongArch: Fix panic caused by NULL-PMD in huge_pte_offset() ERROR INFO: CPU 25 Unable to handle kernel paging request at virtual address 0x0 ... Call Trace: [<900000000023c30c>] huge_pte_offset+0x3c/0x58 [<900000000057fd4c>] hugetlb_follow_page_mask+0x74/0x438 [<900000000051fee8>] __get_user_pages+0xe0/0x4c8 [<9000000000522414>] faultin_page_range+0x84/0x380 [<9000000000564e8c>] madvise_vma_behavior+0x534/0xa48 [<900000000056689c>] do_madvise+0x1bc/0x3e8 [<9000000000566df4>] sys_madvise+0x24/0x38 [<90000000015b9e88>] do_syscall+0x78/0x98 [<9000000000221f18>] handle_syscall+0xb8/0x158 In some cases, pmd may be NULL and rely on NULL as the return value for processing, so it is necessary to determine this situation here.
Severity
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 2ca9380b12711afe95b3589bd82b59623b3c96b3 , < b427d98d55217b53c88643579fbbd8a4c351a105 (git)
Affected: 51424fd171cee6a33f01f7c66b8eb23ac42289d4 , < 985f086f281b7bbb6644851e63af1a17ffff9277 (git)
Affected: bd51834d1cf65a2c801295d230c220aeebf87a73 , < b5c7397b7fd125203c60b59860c168ee92291272 (git)
Affected: bd51834d1cf65a2c801295d230c220aeebf87a73 , < ee084fa96123ede8b0563a1b5a9b23adc43cd50d (git)
Affected: 34256805720993e37adf6127371a1265aea8376a (git)
Affected: b49f085cd671addbda4802d6b9382513f7dd0f30 (git)
Affected: 6.6.89 , < 6.6.95 (semver)
Affected: 6.12.26 , < 6.12.35 (semver)
Affected: 6.1.136 , < 6.2 (semver)
Affected: 6.14.5 , < 6.15 (semver)
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Linux Linux Affected: 6.15
Unaffected: 0 , < 6.15 (semver)
Unaffected: 6.6.95 , ≤ 6.6.* (semver)
Unaffected: 6.12.35 , ≤ 6.12.* (semver)
Unaffected: 6.15.4 , ≤ 6.15.* (semver)
Unaffected: 6.16 , ≤ * (original_commit_for_fix)
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Seguimiento de llamadas:  [\u0026lt;900000000023c30c\u0026gt;] huge_pte_offset+0x3c/0x58 [\u0026lt;900000000057fd4c\u0026gt;] hugetlb_follow_page_mask+0x74/0x438 [\u0026lt;900000000051fee8\u0026gt;] __get_user_pages+0xe0/0x4c8 [\u0026lt;9000000000522414\u0026gt;] faultin_page_range+0x84/0x380 [\u0026lt;9000000000564e8c\u0026gt;] madvise_vma_behavior+0x534/0xa48 [\u0026lt;900000000056689c\u0026gt;] do_madvise+0x1bc/0x3e8 [\u0026lt;9000000000566df4\u0026gt;] sys_madvise+0x24/0x38 [\u0026lt;90000000015b9e88\u0026gt;] do_syscall+0x78/0x98 [\u0026lt;9000000000221f18\u0026gt;] handle_syscall+0xb8/0x158 En algunos casos, pmd puede ser NULL y depender de NULL como valor de retorno para el procesamiento, por lo que es necesario determinar esta situaci\u00f3n aqu\u00ed.\"}],\"metrics\":{\"cvssMetricV31\":[{\"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:N/I:N/A:H\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"NVD-CWE-noinfo\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.1.136\",\"versionEndExcluding\":\"6.2\",\"matchCriteriaId\":\"7631FB65-9AB5-43B9-95F4-2B26A73E0115\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.6.89\",\"versionEndExcluding\":\"6.6.95\",\"matchCriteriaId\":\"14CDE031-9260-4677-9C31-685EFADB1768\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.12.26\",\"versionEndExcluding\":\"6.12.35\",\"matchCriteriaId\":\"2CF54BB0-98BB-46E4-BD08-42BCA79598B4\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.14.5\",\"versionEndExcluding\":\"6.15\",\"matchCriteriaId\":\"3631FD5A-7CD5-4C3E-9410-E1DD8B74E3C2\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.15.1\",\"versionEndExcluding\":\"6.15.4\",\"matchCriteriaId\":\"BC343CA8-C054-44E4-830F-78CCA31461E8\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.15:-:*:*:*:*:*:*\",\"matchCriteriaId\":\"A1ECC65A-EE37-4479-8E99-4BB68A22A31F\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.15:rc4:*:*:*:*:*:*\",\"matchCriteriaId\":\"8C7B5B0E-4EEB-48F5-B4CF-0935A7633845\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.15:rc5:*:*:*:*:*:*\",\"matchCriteriaId\":\"2D240580-3048-49B2-9E27-F115A9DF8224\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.15:rc6:*:*:*:*:*:*\",\"matchCriteriaId\":\"90320558-E553-4EF5-8A0B-0F5D20113BD2\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.15:rc7:*:*:*:*:*:*\",\"matchCriteriaId\":\"C300BA32-5854-4B59-A00A-18A402F291D0\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/985f086f281b7bbb6644851e63af1a17ffff9277\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/b427d98d55217b53c88643579fbbd8a4c351a105\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/b5c7397b7fd125203c60b59860c168ee92291272\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/ee084fa96123ede8b0563a1b5a9b23adc43cd50d\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]}]}}"
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}


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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

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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.
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  • 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.