CVE-2021-42739

· MEDIUMModified

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CVSS v3.1

6.7

EPSS

0.44%

Published

Oct 20, 2021

Modified

Nov 21, 2024

Public PoC / Exploit (1)

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Links to public security research (Exploit-DB, Nuclei, Trickest, GitHub) for defensive use only.

Description

The firewire subsystem in the Linux kernel through 5.14.13 has a buffer overflow related to drivers/media/firewire/firedtv-avc.c and drivers/media/firewire/firedtv-ci.c, because avc_ca_pmt mishandles bounds checking.

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Weaknesses (CWE)

CWE-787

Affected Products (10)

linux · linux_kernelvulnerable

fedoraproject · fedoravulnerable

debian · debian_linuxvulnerable

starwindsoftware · starwind_san_\&_nasvulnerable

starwindsoftware · starwind_virtual_sanvulnerable

oracle · communications_cloud_native_core_binding_support_functionvulnerable

oracle · communications_cloud_native_core_network_exposure_functionvulnerable

oracle · communications_cloud_native_core_policyvulnerable

References (12)

https://bugzilla.redhat.com/show_bug.cgi?id=1951739

Issue TrackingMitigationThird Party Advisory

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=35d2969ea3c7d32aee78066b1f3cf61a0d935a4e

https://lore.kernel.org/linux-media/YHaulytonFcW+lyZ%40mwanda/

https://seclists.org/oss-sec/2021/q2/46

https://www.oracle.com/security-alerts/cpujul2022.html

PatchThird Party Advisory

https://www.starwindsoftware.com/security/sw-20220804-0001/

Third Party Advisory