CVE-2022-48697
Linux Kernel use-after-free
- Published3 May 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
CVSS 3.1 breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HAffected products
Remediation
- https://git.kernel.org/stable/c/17f121ca3ec6be0fb32d77c7f65362934a38cc8e
- https://git.kernel.org/stable/c/4484ce97a78171668c402e0c45db7f760aea8060
- https://git.kernel.org/stable/c/6a02a61e81c231cc5c680c5dbf8665275147ac52
- https://git.kernel.org/stable/c/8d66989b5f7bb28bba2f8e1e2ffc8bfef4a10717
- https://git.kernel.org/stable/c/be01f1c988757b95f11f090a9f491365670a522b
- https://git.kernel.org/stable/c/ebf46da50beb78066674354ad650606a467e33fa
References
- https://git.kernel.org/stable/c/17f121ca3ec6be0fb32d77c7f65362934a38cc8e
- https://git.kernel.org/stable/c/4484ce97a78171668c402e0c45db7f760aea8060
- https://git.kernel.org/stable/c/6a02a61e81c231cc5c680c5dbf8665275147ac52
- https://git.kernel.org/stable/c/8d66989b5f7bb28bba2f8e1e2ffc8bfef4a10717
- https://git.kernel.org/stable/c/be01f1c988757b95f11f090a9f491365670a522b
- https://git.kernel.org/stable/c/ebf46da50beb78066674354ad650606a467e33fa
Related CVEs
Recent high-severity vulnerabilities sharing a weakness type.
Frequently asked
Is CVE-2022-48697 being actively exploited?
CVE-2022-48697 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.59%.
How severe is CVE-2022-48697?
CVE-2022-48697 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 0.59% probability of exploitation.
Which products are affected by CVE-2022-48697?
Affected products include Linux Kernel.
How do I fix CVE-2022-48697?
Upgrade affected software to a fixed version, for example Linux Kernel 5.4.213 or later, then confirm no affected versions remain in your inventory.
How Secuno handles this
Secuno correlates vulnerabilities like CVE-2022-48697 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.
Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.