CVE-2023-3812
Kernel: tun: bugs for oversize packet when napi frags enabled in tun_napi_alloc_frags
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.
No summary for this CVE yet.
CVSS Vector Breakdown
Exploitability
AV:LAttack VectorLocal
AC:LAttack ComplexityLow
PR:LPrivileges RequiredLow
UI:NUser InteractionNone
Scope
S:UScopeUnchanged
Impact
C:HConfidentialityHigh
I:HIntegrityHigh
A:HAvailabilityHigh
Weaknesses
Affected Products
Red Hat
commercial·USaka redhat
ООО «РусБИТех-Астра»
commercial·RUaka rusbitech-astra
ООО «Ред Софт»
commercial·RUaka red soft
Сообщество свободного программного обеспечения
oss-projectaka fsf
АО «НППКТ»
commercial·RU
АО «НТЦ ИТ РОСА»
commercial·RU
and 11 more affected products View all →
Exploitability
Official Patch Available
Workaround Available
Attack Graph
Products CVE Techniques Tactics
Click technique nodes for MITRE ATT&CK details · drag to pan · Ctrl/⌘ + scroll to zoom, or go fullscreen.
MITRE ATT&CK
2 techniques Initial Access
Privilege Escalation
References
https://access.redhat.com/errata/RHSA-2023:6799
access.redhat.com
https://access.redhat.com/errata/RHSA-2023:6813
access.redhat.com
https://access.redhat.com/errata/RHSA-2023:7370
access.redhat.com
and 41 more references View all →
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