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VULNERABILITIES

CVE-2023-3812 Details

Description

An out-of-bounds memory access flaw was found in the Linux kernel’s TUN/TAP device driver functionality in how a user generates a malicious (too big) networking packet when napi frags is enabled. This flaw allows a local user to crash or potentially escalate their privileges on the system.

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References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URLSource(s)Tag(s)
https://access.redhat.com/errata/RHSA-2023:6799 CVEThird Party AdvisoryVDB Entry
https://access.redhat.com/errata/RHSA-2023:6813 CVEThird Party AdvisoryVDB Entry
https://access.redhat.com/errata/RHSA-2023:7370 CVEThird Party AdvisoryVDB Entry
https://access.redhat.com/errata/RHSA-2023:7379 CVEThird Party AdvisoryVDB Entry
https://access.redhat.com/errata/RHSA-2023:7382 CVEThird Party AdvisoryVDB Entry

see all 52 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-416Use After Free[email protected]
CWE-787Out-of-bounds Write[email protected]
CWE-787Out-of-bounds Write[email protected]

Affected Products

ProductVersions
linux linux kernel
>= 4.15, < 4.19.265
>= 4.20, < 5.4.224
>= 5.5, < 5.10.154
>= 5.11, < 5.15.78
>= 5.16, < 6.0.8

CPE

  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.
redhat enterprise linux
8.0
9.0

CPE

  • cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
  • cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

19 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2023-3812
NVD Published Date:
Jul 24, 2023
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2023-3812 Details - Not Deferred