CVE-2026-64090

In the Linux kernel, the following vulnerability has been resolved: batman-adv: tt: avoid empty VLAN responses The commit 16116dac2339 ("batman-adv: prevent TT request storms by not sending inconsistent TT TLVLs") added checks to the local (direct) TT response code. But the response can also be done indirectly by another node using the global TT state. To avoid such inconsistency states reported in the original fix, also avoid sending empty VLANs for replies from the global TT state.

CVSS v3 5.5 MEDIUM

5.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://git.kernel.org/stable/c/1f467d9a095211d3f77e8ff1bee90e73ffe01c64	Patch
https://git.kernel.org/stable/c/99f17d1cdb371cbd037975239b321f346d38f6d2	Patch
https://git.kernel.org/stable/c/9a02c8fc963ddeecb5d8788be0740c1869fc54b7	Patch
https://git.kernel.org/stable/c/ab26e346322648f5c39de017d9723c9256284fce	Patch
https://git.kernel.org/stable/c/b93ca6012712ecab2b551e120d7c95038d6a89e5	Patch
https://git.kernel.org/stable/c/cfb30645280a2131e46cbd1b9a38cfd3ff893f12	Patch
https://git.kernel.org/stable/c/ea4f757641430bcc8322772e161453c4db5ecb64	Patch
https://git.kernel.org/stable/c/fa1bd704940b5bcbc32c0b28db9167405c8ee5e0	Patch

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel:7.1:rc1::::::
	cpe:2.3:o:linux:linux_kernel:7.1:rc2::::::
	cpe:2.3:o:linux:linux_kernel:7.1:rc3::::::
	cpe:2.3:o:linux:linux_kernel:7.1:rc4::::::

History

No history.

Information

Published : 2026-07-19 16:17

Updated : 2026-08-11 15:36

NVD link : CVE-2026-64090

Mitre link : CVE-2026-64090

CVE.ORG link : CVE-2026-64090

JSON object : View

Products Affected

linux

linux_kernel

CWE

NVD-CWE-noinfo

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inconsistent TT TLVLs\") added checks to the local (direct) TT\nresponse code. But the response can also be done indirectly by another node\nusing the global TT state. 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