9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
7.5 High
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
0.044 Low
EPSS
Percentile
92.3%
An issue was discovered in net/tipc/crypto.c in the Linux kernel before
5.14.16. The Transparent Inter-Process Communication (TIPC) functionality
allows remote attackers to exploit insufficient validation of user-supplied
sizes for the MSG_CRYPTO message type.
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
ubuntu | 20.04 | noarch | linux-aws-5.11 | < 5.11.0-1023.24~20.04.1 | UNKNOWN |
ubuntu | 21.04 | noarch | linux-azure | < 5.11.0-1023.24 | UNKNOWN |
ubuntu | 21.10 | noarch | linux-azure | < 5.13.0-1009.10 | UNKNOWN |
ubuntu | 20.04 | noarch | linux-azure-5.11 | < 5.11.0-1023.24~20.04.1 | UNKNOWN |
ubuntu | 22.04 | noarch | linux-azure-fde | < any | UNKNOWN |
ubuntu | 21.04 | noarch | linux-gcp | < 5.11.0-1024.26 | UNKNOWN |
ubuntu | 21.10 | noarch | linux-gcp | < 5.13.0-1008.9 | UNKNOWN |
ubuntu | 20.04 | noarch | linux-gcp-5.11 | < 5.11.0-1024.26~20.04.1 | UNKNOWN |
ubuntu | 22.04 | noarch | linux-gkeop | < any | UNKNOWN |
ubuntu | 20.04 | noarch | linux-hwe-5.11 | < 5.11.0-44.48~20.04.2 | UNKNOWN |
cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.14.16
git.kernel.org/linus/fa40d9734a57bcbfa79a280189799f76c88f7bb0 (5.15)
github.com/torvalds/linux/commit/fa40d9734a57bcbfa79a280189799f76c88f7bb0
launchpad.net/bugs/cve/CVE-2021-43267
nvd.nist.gov/vuln/detail/CVE-2021-43267
security-tracker.debian.org/tracker/CVE-2021-43267
ubuntu.com/security/notices/USN-5165-1
ubuntu.com/security/notices/USN-5207-1
ubuntu.com/security/notices/USN-5208-1
ubuntu.com/security/notices/USN-5218-1
www.cve.org/CVERecord?id=CVE-2021-43267
www.sentinelone.com/labs/tipc-remote-linux-kernel-heap-overflow-allows-arbitrary-code-execution/
9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
7.5 High
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
0.044 Low
EPSS
Percentile
92.3%