cbcvebase.
CVE-2022-48790
published 2024-07-16

CVE-2022-48790: In the Linux kernel, the following vulnerability has been resolved: nvme: fix a possible use-after-free in controller reset during load Unlike .queue_rq, in…

PriorityP432high7CVSS 3.1
AVLACHPRLUINSUCHIHAH
EPSS
0.26%
17.6th percentile
In the Linux kernel, the following vulnerability has been resolved: nvme: fix a possible use-after-free in controller reset during load Unlike .queue_rq, in .submit_async_event drivers may not check the ctrl readiness for AER submission. This may lead to a use-after-free condition that was observed with nvme-tcp. The race condition may happen in the following scenario: 1. driver executes its reset_ctrl_work 2. -> nvme_stop_ctrl - flushes ctrl async_event_work 3. ctrl sends AEN which is received by the host, which in turn schedules AEN handling 4. teardown admin queue (which releases the queue socket) 5. AEN processed, submits another AER, calling the driver to submit 6. driver attempts to send the cmd ==> use-after-free In order to fix that, add ctrl state check to validate the ctrl is actually able to accept the AER submission. This addresses the above race in controller resets because the driver during teardown should: 1. change ctrl state to RESETTING 2. flush async_event_work (as well as other async work elements) So after 1,2, any other AER command will find the ctrl state to be RESETTING and bail out without submitting the AER.

Affected

17 ranges
VendorProductVersion rangeFixed in
debianlinux< linux 5.16.11-1 (bookworm)linux 5.16.11-1 (bookworm)
linuxlinux
linuxlinux>= ad22c355b707a8d8d48e282aadc01c0b0604b2e9 < a25e460fbb0340488d119fb2e28fe3f829b7417ea25e460fbb0340488d119fb2e28fe3f829b7417e
linuxlinux>= ad22c355b707a8d8d48e282aadc01c0b0604b2e9 < 70356b756a58704e5c8818cb09da5854af87e76570356b756a58704e5c8818cb09da5854af87e765
linuxlinux>= ad22c355b707a8d8d48e282aadc01c0b0604b2e9 < 0ead57ceb21bbf15963b4874c2ac67143455382f0ead57ceb21bbf15963b4874c2ac67143455382f
linuxlinux>= ad22c355b707a8d8d48e282aadc01c0b0604b2e9 < e043fb5a0336ee74614e26f0d9f36f1f5bb6d606e043fb5a0336ee74614e26f0d9f36f1f5bb6d606
linuxlinux>= ad22c355b707a8d8d48e282aadc01c0b0604b2e9 < 9e956a2596ae276124ef0d96829c013dd0faf8619e956a2596ae276124ef0d96829c013dd0faf861
linuxlinux>= ad22c355b707a8d8d48e282aadc01c0b0604b2e9 < 0fa0f99fc84e41057cbdd2efbfe91c6b2f47dd9d0fa0f99fc84e41057cbdd2efbfe91c6b2f47dd9d
linuxlinux_kernel< 4.19.2314.19.231
linuxlinux_kernel>= 0 < 5.10.103-15.10.103-1
linuxlinux_kernel>= 0 < 5.16.11-15.16.11-1
linuxlinux_kernel>= 0 < 5.16.11-15.16.11-1
linuxlinux_kernel>= 0 < 5.16.11-15.16.11-1
linuxlinux_kernel>= 4.20 < 5.4.1815.4.181
linuxlinux_kernel>= 5.11 < 5.15.255.15.25
linuxlinux_kernel>= 5.16 < 5.16.115.16.11
linuxlinux_kernel>= 5.5 < 5.10.1025.10.102

CVSS provenance

nvdv3.17.0HIGHCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
osv7.0HIGH
vendor_debian7.0HIGH
vendor_redhat7.0HIGH
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