CVE-2022-48697

Summary

In the Linux kernel, the following vulnerability has been resolved:

nvmet: fix a use-after-free

Fix the following use-after-free complaint triggered by blktests nvme/004:

BUG: KASAN: user-memory-access in blk_mq_complete_request_remote+0xac/0x350 Read of size 4 at addr 0000607bd1835943 by task kworker/13:1/460 Workqueue: nvmet-wq nvme_loop_execute_work [nvme_loop] Call Trace: show_stack+0x52/0x58 dump_stack_lvl+0x49/0x5e print_report.cold+0x36/0x1e2 kasan_report+0xb9/0xf0 __asan_load4+0x6b/0x80 blk_mq_complete_request_remote+0xac/0x350 nvme_loop_queue_response+0x1df/0x275 [nvme_loop] __nvmet_req_complete+0x132/0x4f0 [nvmet] nvmet_req_complete+0x15/0x40 [nvmet] nvmet_execute_io_connect+0x18a/0x1f0 [nvmet] nvme_loop_execute_work+0x20/0x30 [nvme_loop] process_one_work+0x56e/0xa70 worker_thread+0x2d1/0x640 kthread+0x183/0x1c0 ret_from_fork+0x1f/0x30

Affected Software

VendorProductVersion RangeStatus
LinuxLinuxa07b4970f464f13640e28e16dad6cfa33647cc99 < 17f121ca3ec6be0fb32d77c7f65362934a38cc8eaffected
LinuxLinuxa07b4970f464f13640e28e16dad6cfa33647cc99 < 8d66989b5f7bb28bba2f8e1e2ffc8bfef4a10717affected
LinuxLinuxa07b4970f464f13640e28e16dad6cfa33647cc99 < be01f1c988757b95f11f090a9f491365670a522baffected
LinuxLinuxa07b4970f464f13640e28e16dad6cfa33647cc99 < ebf46da50beb78066674354ad650606a467e33faaffected
LinuxLinuxa07b4970f464f13640e28e16dad6cfa33647cc99 < 4484ce97a78171668c402e0c45db7f760aea8060affected
LinuxLinuxa07b4970f464f13640e28e16dad6cfa33647cc99 < 6a02a61e81c231cc5c680c5dbf8665275147ac52affected
LinuxLinux4.8affected
LinuxLinux0 < 4.8unaffected
LinuxLinux4.19.260 <= 4.19.*unaffected
LinuxLinux5.4.213 <= 5.4.*unaffected
LinuxLinux5.10.143 <= 5.10.*unaffected
LinuxLinux5.15.68 <= 5.15.*unaffected
LinuxLinux5.19.9 <= 5.19.*unaffected
LinuxLinux6.0 <= *unaffected

Weaknesses

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

CVE Program Container

Additional References

References