{ "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" } } } }