cve-2021-4439
Vulnerability from cvelistv5
Published
2024-06-20 12:07
Modified
2024-11-04 11:55
Severity ?
Summary
isdn: cpai: check ctr->cnr to avoid array index out of bound
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/1f3e2e97c003f80c4b087092b225c8787ff91e4dPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/24219a977bfe3d658687e45615c70998acdbac5aPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/285e9210b1fab96a11c0be3ed5cea9dd48b6ac54Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/7d91adc0ccb060ce564103315189466eb822cc6aPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/7f221ccbee4ec662e2292d490a43ce6c314c4594Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/9b6b2db77bc3121fe435f1d4b56e34de443bec75Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/cc20226e218a2375d50dd9ac14fb4121b43375ffPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/e8b8de17e164c9f1b7777f1c6f99d05539000036Patch
Impacted products
Vendor Product Version
Linux Linux
Show details on NVD website

To clipboard 

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    "cveId": "CVE-2021-4439",
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    "dateReserved": "2024-06-20T12:07:18.155Z",
    "dateUpdated": "2024-11-04T11:55:32.923Z",
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Si el controlador a\u00fan no estaba conectado, detach_capi_ctr() desencadenar\u00eda un error de los l\u00edmites de \u00edndice de matriz. [ 46.866069][ T6479] UBSAN: \u00edndice de matriz fuera de los l\u00edmites en drivers/isdn/capi/kcapi.c:483:21 [ 46.867196][ T6479] el \u00edndice -1 est\u00e1 fuera de rango para el tipo \u0027capi_ctr *[ 32]\u0027 [ 46.867982][ T6479] CPU: 1 PID: 6479 Comm: kcmtpd_ctr_0 No contaminado 5.15.0-rc2+ #8 [ 46.869002][ T6479] Nombre de hardware: PC est\u00e1ndar QEMU (i440FX + PIIX, 1996), BIOS 1.14. 0-2 01/04/2014 [ 46.870107][ T6479] Seguimiento de llamadas: [ 46.870473][ T6479] dump_stack_lvl+0x57/0x7d [ 46.870974][ T6479] ubsan_epilogue+0x5/0x40 [ 46.871458][ T6479 ] __ubsan_handle_out_of_bounds.cold+0x43 /0x48 [ 46.872135][ T6479] detach_capi_ctr+0x64/0xc0 [ 46.872639][ T6479] cmtp_session+0x5c8/0x5d0 [ 46.873131][ T6479] ? __init_waitqueue_head+0x60/0x60 [ 46.873712][ T6479] ? cmtp_add_msgpart+0x120/0x120 [ 46.874256][ T6479] kthread+0x147/0x170 [ 46.874709][ T6479] ? set_kthread_struct+0x40/0x40 [ 46.875248][ T6479] ret_from_fork+0x1f/0x30 [ 46.875773][ T6479]\"}],\"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:H/I:H/A:H\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\",\"baseScore\":7.8,\"baseSeverity\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":5.9}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-129\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"4.4.290\",\"matchCriteriaId\":\"C56A8089-600C-4D13-B0BD-0B3B87CAAAEC\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.5\",\"versionEndExcluding\":\"4.9.288\",\"matchCriteriaId\":\"F99C0BFE-2803-4525-BA2B-EA4F42F8CADE\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.10\",\"versionEndExcluding\":\"4.14.253\",\"matchCriteriaId\":\"1830428A-CB40-4E7F-A4F9-177A0B9614D2\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.15\",\"versionEndExcluding\":\"4.19.214\",\"matchCriteriaId\":\"8491C8F9-93D0-4314-BD59-65E3038494EA\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.20\",\"versionEndExcluding\":\"5.4.156\",\"matchCriteriaId\":\"03015A9C-56AA-4210-9491-CF2FB0F45B9A\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.5\",\"versionEndExcluding\":\"5.10.76\",\"matchCriteriaId\":\"E61528CE-9083-425B-AE36-3791232BF780\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.11\",\"versionEndExcluding\":\"5.14.15\",\"matchCriteriaId\":\"63BD46C4-473F-45F9-93E9-F67D955321D8\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:5.15:rc1:*:*:*:*:*:*\",\"matchCriteriaId\":\"E46C74C6-B76B-4C94-A6A4-FD2FFF62D644\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:5.15:rc2:*:*:*:*:*:*\",\"matchCriteriaId\":\"60134C3A-06E4-48C1-B04F-2903732A4E56\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:5.15:rc3:*:*:*:*:*:*\",\"matchCriteriaId\":\"0460DA88-8FE1-46A2-9DDA-1F1ABA552E71\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:5.15:rc4:*:*:*:*:*:*\",\"matchCriteriaId\":\"AF55383D-4DF2-45DC-93F7-571F4F978EAB\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:5.15:rc5:*:*:*:*:*:*\",\"matchCriteriaId\":\"9E9481B2-8AA6-4CBD-B5D3-C10F51FF6D01\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/1f3e2e97c003f80c4b087092b225c8787ff91e4d\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/24219a977bfe3d658687e45615c70998acdbac5a\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/285e9210b1fab96a11c0be3ed5cea9dd48b6ac54\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/7d91adc0ccb060ce564103315189466eb822cc6a\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/7f221ccbee4ec662e2292d490a43ce6c314c4594\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/9b6b2db77bc3121fe435f1d4b56e34de443bec75\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/cc20226e218a2375d50dd9ac14fb4121b43375ff\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/e8b8de17e164c9f1b7777f1c6f99d05539000036\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]}]}}"
  }
}


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