CVE-2022-48697
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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.59%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.59% probability · 46th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-416
- Affected
- linux/linux kernel
- Source
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
References
- https://git.kernel.org/stable/c/17f121ca3ec6be0fb32d77c7f65362934a38cc8ePatch
- https://git.kernel.org/stable/c/4484ce97a78171668c402e0c45db7f760aea8060Patch
- https://git.kernel.org/stable/c/6a02a61e81c231cc5c680c5dbf8665275147ac52Patch
- https://git.kernel.org/stable/c/8d66989b5f7bb28bba2f8e1e2ffc8bfef4a10717Patch
- https://git.kernel.org/stable/c/be01f1c988757b95f11f090a9f491365670a522bPatch
- https://git.kernel.org/stable/c/ebf46da50beb78066674354ad650606a467e33faPatch
- https://git.kernel.org/stable/c/17f121ca3ec6be0fb32d77c7f65362934a38cc8ePatch
- https://git.kernel.org/stable/c/4484ce97a78171668c402e0c45db7f760aea8060Patch
- https://git.kernel.org/stable/c/6a02a61e81c231cc5c680c5dbf8665275147ac52Patch
- https://git.kernel.org/stable/c/8d66989b5f7bb28bba2f8e1e2ffc8bfef4a10717Patch
- https://git.kernel.org/stable/c/be01f1c988757b95f11f090a9f491365670a522bPatch
- https://git.kernel.org/stable/c/ebf46da50beb78066674354ad650606a467e33faPatch
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.