Debian Security Bug TrackerDEBIANCVE:CVE-2021-42739CVE-2021-42739
4.6 Medium
CVSS2
Attack Vector
LOCAL
Attack 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
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
6.9 Medium
AI Score
Confidence
High
0.0004 Low
EPSS
Percentile
9.9%
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.
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| Debian | 12 | all | linux | < 5.14.16-1 | linux_5.14.16-1_all.deb |
| Debian | 11 | all | linux | < 5.10.84-1 | linux_5.10.84-1_all.deb |
| Debian | 10 | all | linux | < 4.19.232-1 | linux_4.19.232-1_all.deb |
| Debian | 999 | all | linux | < 5.14.16-1 | linux_5.14.16-1_all.deb |
| Debian | 13 | all | linux | < 5.14.16-1 | linux_5.14.16-1_all.deb |
Related
4.6 Medium
CVSS2
Attack Vector
LOCAL
Attack 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
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
6.9 Medium
AI Score
Confidence
High
0.0004 Low
EPSS
Percentile
9.9%