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Red Hat: CVE-2021-3348: Use-after-free in ndb_queue_rq() in drivers/block/nbd.c (Multiple Advisories)

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Red Hat: CVE-2021-3348: Use-after-free in ndb_queue_rq() in drivers/block/nbd.c (Multiple Advisories)

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
02/01/2021
Created
11/11/2021
Added
11/10/2021
Modified
03/13/2024

Description

nbd_add_socket in drivers/block/nbd.c in the Linux kernel through 5.10.12 has an ndb_queue_rq use-after-free that could be triggered by local attackers (with access to the nbd device) via an I/O request at a certain point during device setup, aka CID-b98e762e3d71.

Solution(s)

  • redhat-upgrade-kernel
  • redhat-upgrade-kernel-rt

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