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Oracle Linux: CVE-2021-3348: ELSA-2021-4356: kernel security, bug fix, and enhancement update (MODERATE) (Multiple Advisories)

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Oracle Linux: CVE-2021-3348: ELSA-2021-4356: kernel security, bug fix, and enhancement update (MODERATE) (Multiple Advisories)

Severity
6
CVSS
(AV:L/AC:H/Au:S/C:C/I:C/A:C)
Published
01/28/2021
Created
03/11/2021
Added
03/09/2021
Modified
12/10/2024

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. A use after free flaw in the Linux kernel network block device (NBD) subsystem was found in the way user calls an ioctl NBD_SET_SOCK at a certain point during device setup.

Solution(s)

  • oracle-linux-upgrade-kernel

References

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