6.7 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
6.6 Medium
AI Score
Confidence
High
4.6 Medium
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:L/AC:L/Au:N/C:P/I:P/A:P
0.0004 Low
EPSS
Percentile
9.0%
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.
Author | Note |
---|---|
mdeslaur | CVE-2021-3542 was marked as a duplicate of this CVE, see https://bugzilla.suse.com/show_bug.cgi?id=1184673#c17 |
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
ubuntu | 18.04 | noarch | linux | < 4.15.0-167.175 | UNKNOWN |
ubuntu | 20.04 | noarch | linux | < 5.4.0-97.110 | UNKNOWN |
ubuntu | 21.10 | noarch | linux | < 5.13.0-28.31 | UNKNOWN |
ubuntu | 16.04 | noarch | linux | < 4.4.0-223.256) Available with Ubuntu Pro or Ubuntu Pro (Infra-only | UNKNOWN |
ubuntu | 18.04 | noarch | linux-aws | < 4.15.0-1119.127 | UNKNOWN |
ubuntu | 20.04 | noarch | linux-aws | < 5.4.0-1064.67 | UNKNOWN |
ubuntu | 21.10 | noarch | linux-aws | < 5.13.0-1012.13 | UNKNOWN |
ubuntu | 14.04 | noarch | linux-aws | < 4.4.0-1103.108) Available with Ubuntu Pro or Ubuntu Pro (Infra-only | UNKNOWN |
ubuntu | 16.04 | noarch | linux-aws | < 4.4.0-1139.153) Available with Ubuntu Pro or Ubuntu Pro (Infra-only | UNKNOWN |
ubuntu | 20.04 | noarch | linux-aws-5.11 | < 5.11.0-1028.31~20.04.1 | UNKNOWN |
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=35d2969ea3c7d32aee78066b1f3cf61a0d935a4e
launchpad.net/bugs/cve/CVE-2021-42739
lore.kernel.org/linux-media/YHaulytonFcW+lyZ@mwanda/
nvd.nist.gov/vuln/detail/CVE-2021-42739
seclists.org/oss-sec/2021/q2/46
security-tracker.debian.org/tracker/CVE-2021-42739
ubuntu.com/security/notices/USN-5165-1
ubuntu.com/security/notices/USN-5207-1
ubuntu.com/security/notices/USN-5265-1
ubuntu.com/security/notices/USN-5266-1
ubuntu.com/security/notices/USN-5267-1
ubuntu.com/security/notices/USN-5267-3
ubuntu.com/security/notices/USN-5268-1
ubuntu.com/security/notices/USN-5361-1
www.cve.org/CVERecord?id=CVE-2021-42739
6.7 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
6.6 Medium
AI Score
Confidence
High
4.6 Medium
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:L/AC:L/Au:N/C:P/I:P/A:P
0.0004 Low
EPSS
Percentile
9.0%