{
   "containers": {
      "cna": {
         "providerMetadata": {
            "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038"
         },
         "descriptions": [
            {
               "lang": "en",
               "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: core: Fix a use-after-free\n\nThere are two .exit_cmd_priv implementations. Both implementations use\nresources associated with the SCSI host. Make sure that these resources are\nstill available when .exit_cmd_priv is called by waiting inside\nscsi_remove_host() until the tag set has been freed.\n\nThis commit fixes the following use-after-free:\n\n==================================================================\nBUG: KASAN: use-after-free in srp_exit_cmd_priv+0x27/0xd0 [ib_srp]\nRead of size 8 at addr ffff888100337000 by task multipathd/16727\nCall Trace:\n <TASK>\n dump_stack_lvl+0x34/0x44\n print_report.cold+0x5e/0x5db\n kasan_report+0xab/0x120\n srp_exit_cmd_priv+0x27/0xd0 [ib_srp]\n scsi_mq_exit_request+0x4d/0x70\n blk_mq_free_rqs+0x143/0x410\n __blk_mq_free_map_and_rqs+0x6e/0x100\n blk_mq_free_tag_set+0x2b/0x160\n scsi_host_dev_release+0xf3/0x1a0\n device_release+0x54/0xe0\n kobject_put+0xa5/0x120\n device_release+0x54/0xe0\n kobject_put+0xa5/0x120\n scsi_device_dev_release_usercontext+0x4c1/0x4e0\n execute_in_process_context+0x23/0x90\n device_release+0x54/0xe0\n kobject_put+0xa5/0x120\n scsi_disk_release+0x3f/0x50\n device_release+0x54/0xe0\n kobject_put+0xa5/0x120\n disk_release+0x17f/0x1b0\n device_release+0x54/0xe0\n kobject_put+0xa5/0x120\n dm_put_table_device+0xa3/0x160 [dm_mod]\n dm_put_device+0xd0/0x140 [dm_mod]\n free_priority_group+0xd8/0x110 [dm_multipath]\n free_multipath+0x94/0xe0 [dm_multipath]\n dm_table_destroy+0xa2/0x1e0 [dm_mod]\n __dm_destroy+0x196/0x350 [dm_mod]\n dev_remove+0x10c/0x160 [dm_mod]\n ctl_ioctl+0x2c2/0x590 [dm_mod]\n dm_ctl_ioctl+0x5/0x10 [dm_mod]\n __x64_sys_ioctl+0xb4/0xf0\n dm_ctl_ioctl+0x5/0x10 [dm_mod]\n __x64_sys_ioctl+0xb4/0xf0\n do_syscall_64+0x3b/0x90\n entry_SYSCALL_64_after_hwframe+0x46/0xb0"
            }
         ],
         "affected": [
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "unaffected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "drivers/scsi/hosts.c",
                  "drivers/scsi/scsi_lib.c",
                  "drivers/scsi/scsi_priv.h",
                  "drivers/scsi/scsi_scan.c",
                  "drivers/scsi/scsi_sysfs.c",
                  "include/scsi/scsi_host.h"
               ],
               "versions": [
                  {
                     "version": "65ca846a5314",
                     "lessThan": "5ce8fad94123",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "65ca846a5314",
                     "lessThan": "f818708eeeae",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "65ca846a5314",
                     "lessThan": "2e7eb4c1e8af",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "65ca846a5314",
                     "lessThan": "8fe4ce5836e9",
                     "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/scsi/hosts.c",
                  "drivers/scsi/scsi_lib.c",
                  "drivers/scsi/scsi_priv.h",
                  "drivers/scsi/scsi_scan.c",
                  "drivers/scsi/scsi_sysfs.c",
                  "include/scsi/scsi_host.h"
               ],
               "versions": [
                  {
                     "version": "5.7",
                     "status": "affected"
                  },
                  {
                     "version": "0",
                     "lessThan": "5.7",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.10.223",
                     "lessThanOrEqual": "5.10.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.15.164",
                     "lessThanOrEqual": "5.15.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.19.12",
                     "lessThanOrEqual": "5.19.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.0",
                     "lessThanOrEqual": "*",
                     "status": "unaffected",
                     "versionType": "original_commit_for_fix"
                  }
               ]
            }
         ],
         "references": [
            {
               "url": "https://git.kernel.org/stable/c/5ce8fad941233e81f2afb5b52a3fcddd3ba8732f"
            },
            {
               "url": "https://git.kernel.org/stable/c/f818708eeeae793e12dc39f8984ed7732048a7d9"
            },
            {
               "url": "https://git.kernel.org/stable/c/2e7eb4c1e8af8385de22775bd0be552f59b28c9a"
            },
            {
               "url": "https://git.kernel.org/stable/c/8fe4ce5836e932f5766317cb651c1ff2a4cd0506"
            }
         ],
         "title": "scsi: core: Fix a use-after-free",
         "x_generator": {
            "engine": "bippy-c9c4e1df01b2"
         }
      }
   },
   "cveMetadata": {
      "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038",
      "cveID": "CVE-2022-48666",
      "requesterUserId": "gregkh@kernel.org",
      "serial": "1",
      "state": "PUBLISHED"
   },
   "dataType": "CVE_RECORD",
   "dataVersion": "5.0"
}