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CVE-2021-28038
Good to know:
Date: March 5, 2021
An issue was discovered in the Linux kernel through 5.11.3, as used with Xen PV. A certain part of the netback driver lacks necessary treatment of errors such as failed memory allocations (as a result of changes to the handling of grant mapping errors). A host OS denial of service may occur during misbehavior of a networking frontend driver. NOTE: this issue exists because of an incomplete fix for CVE-2021-26931.
Language: C
Severity Score
Related Resources (10)
Severity Score
Weakness Type (CWE)
Allocation of Resources Without Limits or Throttling
CWE-770Top Fix
Upgrade Version
Upgrade to version v4.4.260,v4.9.260,v4.14.224,v4.19.179,v5.4.103,v5.10.21,v5.11.4,v5.12-rc2
CVSS v3.1
| Base Score: |
|
|---|---|
| Attack Vector (AV): | LOCAL |
| Attack Complexity (AC): | LOW |
| Privileges Required (PR): | LOW |
| User Interaction (UI): | NONE |
| Scope (S): | CHANGED |
| Confidentiality (C): | NONE |
| Integrity (I): | NONE |
| Availability (A): | HIGH |
CVSS v2
| Base Score: |
|
|---|---|
| Access Vector (AV): | LOCAL |
| Access Complexity (AC): | LOW |
| Authentication (AU): | NONE |
| Confidentiality (C): | NONE |
| Integrity (I): | NONE |
| Availability (A): | COMPLETE |
| Additional information: |