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Mend.io Vulnerability Database

CVE-2021-42739

Date: October 19, 2021

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.

Severity Score

6.7

Related Resources (19)

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

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

Url: https://lists.debian.org/debian-lts-announce/2021/12/msg00012.html

Url: https://lore.kernel.org/linux-media/YHaulytonFcW+lyZ@mwanda/

Url: https://nvd.nist.gov/vuln/detail/CVE-2021-42739

Url: https://access.redhat.com/security/cve/CVE-2021-42739

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2021-42739

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

Url: https://security-tracker.debian.org/tracker/CVE-2021-42739

Url: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/AOWGMZ2MJFUGNA5QSD5JF4QHIC4URATS/

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

Url: https://security.netapp.com/advisory/ntap-20211118-0001/

Url: https://www.debian.org/security/2022/dsa-5096

Url: https://lists.debian.org/debian-lts-announce/2022/03/msg00012.html

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

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

Url: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6EHZNHNHRLPC2NJKUDS5PJG5AGRYJVJN/

Url: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CKMQEOEESIO3GMHAOL3NYS36FER6UTWA/

Url: https://www.mend.io/vulnerability-database/CVE-2021-42739

Severity Score

6.7

Weakness Type (CWE)

Out-of-bounds Write

CWE-787

CVSS v3.1

Base Score:	6.7
Attack Vector (AV):	LOCAL
Attack Complexity (AC):	LOW
Privileges Required (PR):	HIGH
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	HIGH
Integrity (I):	HIGH
Availability (A):	HIGH

CVSS v2

Base Score:	4.6
Access Vector (AV):	LOCAL
Access Complexity (AC):	LOW
Authentication (AU):	NONE
Confidentiality (C):	PARTIAL
Integrity (I):	PARTIAL
Availability (A):	PARTIAL
Additional information:

Mend.io Vulnerability Database

We found results for “”

CVE-2021-42739

Date: October 19, 2021

Severity Score

Related Resources (19)

Severity Score

Weakness Type (CWE)

CVSS v3.1

CVSS v2

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