{"cve":"CVE-2022-49839","nvd":{"published":"2025-05-01T15:16:07.390","modified":"2026-06-17T05:19:16.047","status":"Modified","description":"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().","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":5.5},"cwes":["CWE-476"],"references":["https://git.kernel.org/stable/c/03aabcb88aeeb7221ddb6196ae84ad5fb17b743f","https://git.kernel.org/stable/c/2f21d653c648735657e23948b1d7ac7273de0f87","https://git.kernel.org/stable/c/5d7bebf2dfb0dc97aac1fbace0910e557ecdb16f","https://git.kernel.org/stable/c/c736876ee294bb4f271d76a25cc7d70c8537bc5d"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T22:01:22.920403922+00:00"},"epss":{"cve":"CVE-2022-49839","score":0.00215,"percentile":0.11945,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}