{"id":"DEBIAN-CVE-2021-47503","details":"In the Linux kernel, the following vulnerability has been resolved:  scsi: pm80xx: Do not call scsi_remove_host() in pm8001_alloc()  Calling scsi_remove_host() before scsi_add_host() results in a crash:   BUG: kernel NULL pointer dereference, address: 0000000000000108  RIP: 0010:device_del+0x63/0x440  Call Trace:   device_unregister+0x17/0x60   scsi_remove_host+0xee/0x2a0   pm8001_pci_probe+0x6ef/0x1b90 [pm80xx]   local_pci_probe+0x3f/0x90  We cannot call scsi_remove_host() in pm8001_alloc() because scsi_add_host() has not been called yet at that point in time.  Function call tree:    pm8001_pci_probe()   |   `- pm8001_pci_alloc()   |  |   |  `- pm8001_alloc()   |     |   |     `- scsi_remove_host()   |   `- scsi_add_host()","modified":"2026-09-15T09:02:36.066063789Z","published":"2024-05-24T15:15:10.567Z","upstream":["CVE-2021-47503"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2021-47503"}],"affected":[{"package":{"name":"linux","ecosystem":"Debian:12","purl":"pkg:deb/debian/linux?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.15.15-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2021-47503.json"}},{"package":{"name":"linux","ecosystem":"Debian:13","purl":"pkg:deb/debian/linux?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.15.15-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2021-47503.json"}},{"package":{"name":"linux","ecosystem":"Debian:14","purl":"pkg:deb/debian/linux?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.15.15-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2021-47503.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}