UbuntuUSN-4694-1Linux kernel vulnerability
8.1 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
8.1 High
AI Score
Confidence
High
5.5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:L/Au:S/C:P/I:P/A:N
0.003 Low
EPSS
Percentile
65.7%
Releases
- Ubuntu 20.10
- Ubuntu 20.04 LTS
- Ubuntu 18.04 ESM
- Ubuntu 16.04 ESM
- Ubuntu 14.04 ESM
Packages
- linux - Linux kernel
- linux-hwe - Linux hardware enablement (HWE) kernel
- linux-hwe-5.4 - Linux hardware enablement (HWE) kernel
- linux-hwe-5.8 - Linux hardware enablement (HWE) kernel
- linux-lts-xenial - Linux hardware enablement kernel from Xenial for Trusty
Details
It was discovered that the LIO SCSI target implementation in the Linux
kernel performed insufficient identifier checking in certain XCOPY
requests. An attacker with access to at least one LUN in a multiple
backstore environment could use this to expose sensitive information or
modify data.
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| Ubuntu | 20.10 | noarch | linux-image-5.8.0-38-generic | < 5.8.0-38.43 | UNKNOWN |
| Ubuntu | 20.10 | noarch | kernel-signed-image-5.8.0-38-generic-di | < 5.8.0-38.43 | UNKNOWN |
| Ubuntu | 20.10 | noarch | linux-image-5.8.0-38-generic-dbgsym | < 5.8.0-38.43 | UNKNOWN |
| Ubuntu | 20.10 | noarch | linux-image-5.8.0-38-lowlatency | < 5.8.0-38.43 | UNKNOWN |
| Ubuntu | 20.10 | noarch | linux-image-5.8.0-38-lowlatency-dbgsym | < 5.8.0-38.43 | UNKNOWN |
| Ubuntu | 20.10 | noarch | linux-image-5.8.0-38-generic-64k | < 5.8.0-38.43 | UNKNOWN |
| Ubuntu | 20.10 | noarch | linux-image-5.8.0-38-generic-lpae | < 5.8.0-38.43 | UNKNOWN |
| Ubuntu | 20.10 | noarch | block-modules-5.8.0-38-generic-di | < 5.8.0-38.43 | UNKNOWN |
| Ubuntu | 20.10 | noarch | crypto-modules-5.8.0-38-generic-di | < 5.8.0-38.43 | UNKNOWN |
| Ubuntu | 20.10 | noarch | fat-modules-5.8.0-38-generic-di | < 5.8.0-38.43 | UNKNOWN |
References
Related
8.1 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
8.1 High
AI Score
Confidence
High
5.5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:L/Au:S/C:P/I:P/A:N
0.003 Low
EPSS
Percentile
65.7%