# CVE-2022-48697: linux: In the Linux kernel, the following vulnerability has been resolved:  nvmet: fix a use-after-free  Fix the following u...

CVE-2022-48697 is fixed in linux on 1 platform, first by DEBIAN-CVE-2022-48697, released May 3, 2024. It is not reported as exploited. Patch Radar priority: Urgent.

- Web page: https://patchblox.com/security/cve/CVE-2022-48697
- Priority: Urgent
- CVSS: 9.8 (critical)
- EPSS: 0.0059
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: May 3, 2024

## 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

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | linux Debian 12.15 (bookworm) | 5.19.11-1 | [DEBIAN-CVE-2022-48697](https://patchblox.com/security/data/fix/linux/debian-cve-2022-48697.md) | May 3, 2024 |
| Linux | linux Debian 13.5 (trixie) | 5.19.11-1 | [DEBIAN-CVE-2022-48697](https://patchblox.com/security/data/fix/linux/debian-cve-2022-48697.md) | May 3, 2024 |
| Linux | linux Debian 14 | 5.19.11-1 | [DEBIAN-CVE-2022-48697](https://patchblox.com/security/data/fix/linux/debian-cve-2022-48697.md) | May 3, 2024 |

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