CVE-2023-3812
HIGH
MEDIUM
Priority: 0.03
BB Relevance:
41/100
Published: 2023-07-24
Modified: 2026-11-07
First seen: 2026-11-07
Status: active
Attack Surface
Low Complexity
No Interaction
Conf. Impact
Integ. Impact
CVSS Vector Breakdown
AV:
Local
AC:
Low
PR:
Low
UI:
None
S:
Unchanged
C:
High
I:
High
A:
High
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.
Weakness Classification (2)
Affected Software (3)
| Vendor | Product | Version |
|---|---|---|
| linux | linux_kernel | 4.15 – 4.19.265 |
| redhat | enterprise_linux | 8.0 |
| redhat | enterprise_linux | 9.0 |
References & Advisories (26)
vendor-advisory
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vendor-advisory
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vendor-advisory
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vendor-advisory
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vendor-advisory
x_refsource_REDHAT
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vendor-advisory
x_refsource_REDHAT
vendor-advisory
x_refsource_REDHAT
vdb-entry
x_refsource_REDHAT
issue-tracking
x_refsource_REDHAT
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