CVE-2021-42739

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.

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CVSS v3.1

6.7 MEDIUM

EPSS

0.47%

probability of exploitation in 30 days

CISA KEV

Not listed

no confirmed exploitation reported

News coverage

sources referencing this CVE

CVSS v3.1 Detail

Attack VectorLOCAL

Attack ComplexityLOW

Privileges RequiredHIGH

User InteractionNONE

ScopeUNCHANGED

ConfidentialityHIGH

IntegrityHIGH

AvailabilityHIGH

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

Connections

9 relationships

communications cloud native core policy

source

communications cloud native core binding support function

source

communications cloud native core network exposure function

source

starwind san & nas

source

Timeline

disclosure → media coverage

Oct 20, 2021

Disclosure — published as a CVE record. · last revised by NVD Nov 21, 2024