{ "data_version": "4.0", "data_type": "CVE", "data_format": "MITRE", "CVE_data_meta": { "ID": "CVE-2022-49839", "ASSIGNER": "cve@kernel.org", "STATE": "PUBLIC" }, "description": { "description_data": [ { "lang": "eng", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: scsi_transport_sas: Fix error handling in sas_phy_add()\n\nIf transport_add_device() fails in sas_phy_add(), the kernel will crash\ntrying to delete the device in transport_remove_device() called from\nsas_remove_host().\n\nUnable to handle kernel NULL pointer dereference at virtual address 0000000000000108\nCPU: 61 PID: 42829 Comm: rmmod Kdump: loaded Tainted: G W 6.1.0-rc1+ #173\npstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)\npc : device_del+0x54/0x3d0\nlr : device_del+0x37c/0x3d0\nCall trace:\n device_del+0x54/0x3d0\n attribute_container_class_device_del+0x28/0x38\n transport_remove_classdev+0x6c/0x80\n attribute_container_device_trigger+0x108/0x110\n transport_remove_device+0x28/0x38\n sas_phy_delete+0x30/0x60 [scsi_transport_sas]\n do_sas_phy_delete+0x6c/0x80 [scsi_transport_sas]\n device_for_each_child+0x68/0xb0\n sas_remove_children+0x40/0x50 [scsi_transport_sas]\n sas_remove_host+0x20/0x38 [scsi_transport_sas]\n hisi_sas_remove+0x40/0x68 [hisi_sas_main]\n hisi_sas_v2_remove+0x20/0x30 [hisi_sas_v2_hw]\n platform_remove+0x2c/0x60\n\nFix this by checking and handling return value of transport_add_device()\nin sas_phy_add()." } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "n/a" } ] } ] }, "affects": { "vendor": { "vendor_data": [ { "vendor_name": "Linux", "product": { "product_data": [ { "product_name": "Linux", "version": { "version_data": [ { "version_affected": "<", "version_name": "c7ebbbce366c02e5657ac6b6059933fe0353b175", "version_value": "03aabcb88aeeb7221ddb6196ae84ad5fb17b743f" }, { "version_value": "not down converted", "x_cve_json_5_version_data": { "versions": [ { "version": "2.6.14", "status": "affected" }, { "version": "0", "lessThan": "2.6.14", "status": "unaffected", "versionType": "semver" }, { "version": "5.10.157", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.15.80", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.0.10", "lessThanOrEqual": "6.0.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.1", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix" } ], "defaultStatus": "affected" } } ] } } ] } } ] } }, "references": { "reference_data": [ { "url": "https://git.kernel.org/stable/c/03aabcb88aeeb7221ddb6196ae84ad5fb17b743f", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/03aabcb88aeeb7221ddb6196ae84ad5fb17b743f" }, { "url": "https://git.kernel.org/stable/c/2f21d653c648735657e23948b1d7ac7273de0f87", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/2f21d653c648735657e23948b1d7ac7273de0f87" }, { "url": "https://git.kernel.org/stable/c/c736876ee294bb4f271d76a25cc7d70c8537bc5d", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/c736876ee294bb4f271d76a25cc7d70c8537bc5d" }, { "url": "https://git.kernel.org/stable/c/5d7bebf2dfb0dc97aac1fbace0910e557ecdb16f", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/5d7bebf2dfb0dc97aac1fbace0910e557ecdb16f" } ] }, "generator": { "engine": "bippy-1.1.0" } }