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vuln-cve/data/2025/68xxx/CVE-2025-68220.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2025-68220",
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"state": "PUBLISHED",
"assignerShortName": "Linux",
"dateReserved": "2025-12-16T13:41:40.257Z",
"datePublished": "2025-12-16T13:57:14.142Z",
"dateUpdated": "2026-05-11T21:49:02.647Z"
},
"containers": {
"cna": {
"providerMetadata": {
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux",
"dateUpdated": "2026-05-11T21:49:02.647Z"
},
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: ethernet: ti: netcp: Standardize knav_dma_open_channel to return NULL on error\n\nMake knav_dma_open_channel consistently return NULL on error instead\nof ERR_PTR. Currently the header include/linux/soc/ti/knav_dma.h\nreturns NULL when the driver is disabled, but the driver\nimplementation does not even return NULL or ERR_PTR on failure,\ncausing inconsistency in the users. This results in a crash in\nnetcp_free_navigator_resources as followed (trimmed):\n\nUnhandled fault: alignment exception (0x221) at 0xfffffff2\n[fffffff2] *pgd=80000800207003, *pmd=82ffda003, *pte=00000000\nInternal error: : 221 [#1] SMP ARM\nModules linked in:\nCPU: 0 UID: 0 PID: 1 Comm: swapper/0 Not tainted 6.17.0-rc7 #1 NONE\nHardware name: Keystone\nPC is at knav_dma_close_channel+0x30/0x19c\nLR is at netcp_free_navigator_resources+0x2c/0x28c\n\n[... TRIM...]\n\nCall trace:\n knav_dma_close_channel from netcp_free_navigator_resources+0x2c/0x28c\n netcp_free_navigator_resources from netcp_ndo_open+0x430/0x46c\n netcp_ndo_open from __dev_open+0x114/0x29c\n __dev_open from __dev_change_flags+0x190/0x208\n __dev_change_flags from netif_change_flags+0x1c/0x58\n netif_change_flags from dev_change_flags+0x38/0xa0\n dev_change_flags from ip_auto_config+0x2c4/0x11f0\n ip_auto_config from do_one_initcall+0x58/0x200\n do_one_initcall from kernel_init_freeable+0x1cc/0x238\n kernel_init_freeable from kernel_init+0x1c/0x12c\n kernel_init from ret_from_fork+0x14/0x38\n[... TRIM...]\n\nStandardize the error handling by making the function return NULL on\nall error conditions. The API is used in just the netcp_core.c so the\nimpact is limited.\n\nNote, this change, in effect reverts commit 5b6cb43b4d62 (\"net:\nethernet: ti: netcp_core: return error while dma channel open issue\"),\nbut provides a less error prone implementation."
}
],
"affected": [
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "unaffected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"drivers/net/ethernet/ti/netcp_core.c",
"drivers/soc/ti/knav_dma.c"
],
"versions": [
{
"version": "88139ed030583557751e279968e13e892ae10825",
"lessThan": "af6b10a13fc0aee37df4a8292414cc055c263fa3",
"status": "affected",
"versionType": "git"
},
{
"version": "88139ed030583557751e279968e13e892ae10825",
"lessThan": "8427218ecbd7f8559c37972e66cb0fa06e82353b",
"status": "affected",
"versionType": "git"
},
{
"version": "88139ed030583557751e279968e13e892ae10825",
"lessThan": "3afeb909c3e2e0eb19b1e20506196e5f2d9c2259",
"status": "affected",
"versionType": "git"
},
{
"version": "88139ed030583557751e279968e13e892ae10825",
"lessThan": "2572c358ee434ce4b994472cceeb4043cbff5bc5",
"status": "affected",
"versionType": "git"
},
{
"version": "88139ed030583557751e279968e13e892ae10825",
"lessThan": "952637c5b9be64539cd0e13ef88db71a1df46373",
"status": "affected",
"versionType": "git"
},
{
"version": "88139ed030583557751e279968e13e892ae10825",
"lessThan": "fbb53727ca789a8d27052aab4b77ca9e2a0fae2b",
"status": "affected",
"versionType": "git"
},
{
"version": "88139ed030583557751e279968e13e892ae10825",
"lessThan": "f9608637ecc165d7d6341df105aee44691461fb9",
"status": "affected",
"versionType": "git"
},
{
"version": "88139ed030583557751e279968e13e892ae10825",
"lessThan": "90a88306eb874fe4bbdd860e6c9787f5bbc588b5",
"status": "affected",
"versionType": "git"
}
]
},
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "affected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"drivers/net/ethernet/ti/netcp_core.c",
"drivers/soc/ti/knav_dma.c"
],
"versions": [
{
"version": "3.18",
"status": "affected"
},
{
"version": "0",
"lessThan": "3.18",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.4.302",
"lessThanOrEqual": "5.4.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.10.247",
"lessThanOrEqual": "5.10.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.15.197",
"lessThanOrEqual": "5.15.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.1.159",
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.6.118",
"lessThanOrEqual": "6.6.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.12.60",
"lessThanOrEqual": "6.12.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.17.10",
"lessThanOrEqual": "6.17.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.18",
"lessThanOrEqual": "*",
"status": "unaffected",
"versionType": "original_commit_for_fix"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"operator": "OR",
"negate": false,
"cpeMatch": [
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "3.18",
"versionEndExcluding": "5.4.302"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "3.18",
"versionEndExcluding": "5.10.247"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "3.18",
"versionEndExcluding": "5.15.197"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "3.18",
"versionEndExcluding": "6.1.159"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "3.18",
"versionEndExcluding": "6.6.118"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "3.18",
"versionEndExcluding": "6.12.60"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "3.18",
"versionEndExcluding": "6.17.10"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "3.18",
"versionEndExcluding": "6.18"
}
]
}
]
}
],
"references": [
{
"url": "https://git.kernel.org/stable/c/af6b10a13fc0aee37df4a8292414cc055c263fa3"
},
{
"url": "https://git.kernel.org/stable/c/8427218ecbd7f8559c37972e66cb0fa06e82353b"
},
{
"url": "https://git.kernel.org/stable/c/3afeb909c3e2e0eb19b1e20506196e5f2d9c2259"
},
{
"url": "https://git.kernel.org/stable/c/2572c358ee434ce4b994472cceeb4043cbff5bc5"
},
{
"url": "https://git.kernel.org/stable/c/952637c5b9be64539cd0e13ef88db71a1df46373"
},
{
"url": "https://git.kernel.org/stable/c/fbb53727ca789a8d27052aab4b77ca9e2a0fae2b"
},
{
"url": "https://git.kernel.org/stable/c/f9608637ecc165d7d6341df105aee44691461fb9"
},
{
"url": "https://git.kernel.org/stable/c/90a88306eb874fe4bbdd860e6c9787f5bbc588b5"
}
],
"title": "net: ethernet: ti: netcp: Standardize knav_dma_open_channel to return NULL on error",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
}
}
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