CVE-2022-48666 (GCVE-0-2022-48666)

Vulnerability from cvelistv5 – Published: 2024-04-28 13:01 – Updated: 2025-05-04 08:20
VLAI?
Title
scsi: core: Fix a use-after-free
Summary
In the Linux kernel, the following vulnerability has been resolved: scsi: core: Fix a use-after-free There are two .exit_cmd_priv implementations. Both implementations use resources associated with the SCSI host. Make sure that these resources are still available when .exit_cmd_priv is called by waiting inside scsi_remove_host() until the tag set has been freed. This commit fixes the following use-after-free: ================================================================== BUG: KASAN: use-after-free in srp_exit_cmd_priv+0x27/0xd0 [ib_srp] Read of size 8 at addr ffff888100337000 by task multipathd/16727 Call Trace: <TASK> dump_stack_lvl+0x34/0x44 print_report.cold+0x5e/0x5db kasan_report+0xab/0x120 srp_exit_cmd_priv+0x27/0xd0 [ib_srp] scsi_mq_exit_request+0x4d/0x70 blk_mq_free_rqs+0x143/0x410 __blk_mq_free_map_and_rqs+0x6e/0x100 blk_mq_free_tag_set+0x2b/0x160 scsi_host_dev_release+0xf3/0x1a0 device_release+0x54/0xe0 kobject_put+0xa5/0x120 device_release+0x54/0xe0 kobject_put+0xa5/0x120 scsi_device_dev_release_usercontext+0x4c1/0x4e0 execute_in_process_context+0x23/0x90 device_release+0x54/0xe0 kobject_put+0xa5/0x120 scsi_disk_release+0x3f/0x50 device_release+0x54/0xe0 kobject_put+0xa5/0x120 disk_release+0x17f/0x1b0 device_release+0x54/0xe0 kobject_put+0xa5/0x120 dm_put_table_device+0xa3/0x160 [dm_mod] dm_put_device+0xd0/0x140 [dm_mod] free_priority_group+0xd8/0x110 [dm_multipath] free_multipath+0x94/0xe0 [dm_multipath] dm_table_destroy+0xa2/0x1e0 [dm_mod] __dm_destroy+0x196/0x350 [dm_mod] dev_remove+0x10c/0x160 [dm_mod] ctl_ioctl+0x2c2/0x590 [dm_mod] dm_ctl_ioctl+0x5/0x10 [dm_mod] __x64_sys_ioctl+0xb4/0xf0 dm_ctl_ioctl+0x5/0x10 [dm_mod] __x64_sys_ioctl+0xb4/0xf0 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x46/0xb0
Severity ?
7.4 (High)
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 65ca846a53149a1a72cd8d02e7b2e73dd545b834 , < 5ce8fad941233e81f2afb5b52a3fcddd3ba8732f (git)
Affected: 65ca846a53149a1a72cd8d02e7b2e73dd545b834 , < f818708eeeae793e12dc39f8984ed7732048a7d9 (git)
Affected: 65ca846a53149a1a72cd8d02e7b2e73dd545b834 , < 2e7eb4c1e8af8385de22775bd0be552f59b28c9a (git)
Affected: 65ca846a53149a1a72cd8d02e7b2e73dd545b834 , < 8fe4ce5836e932f5766317cb651c1ff2a4cd0506 (git)
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    Linux Linux Affected: 5.7
Unaffected: 0 , < 5.7 (semver)
Unaffected: 5.10.223 , ≤ 5.10.* (semver)
Unaffected: 5.15.164 , ≤ 5.15.* (semver)
Unaffected: 5.19.12 , ≤ 5.19.* (semver)
Unaffected: 6.0 , ≤ * (original_commit_for_fix)
Create a notification for this product.
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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 \u003cTASK\u003e\\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\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.10.223\", \"versionStartIncluding\": \"5.7\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.15.164\", \"versionStartIncluding\": \"5.7\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.19.12\", \"versionStartIncluding\": \"5.7\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.0\", \"versionStartIncluding\": \"5.7\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2025-05-04T08:20:52.498Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2022-48666\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-05-04T08:20:52.498Z\", \"dateReserved\": \"2024-02-25T13:44:28.320Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-04-28T13:01:50.526Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.