CVE-2022-49727

In the Linux kernel, the following vulnerability has been resolved: ipv6: Fix signed integer overflow in l2tp_ip6_sendmsg When len >= INT_MAX - transhdrlen, ulen = len + transhdrlen will be overflow. To fix, we can follow what udpv6 does and subtract the transhdrlen from the max.

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/034246122f5c5e2e2a0b9fe04e24517920e9beb1	Patch
https://git.kernel.org/stable/c/0e818d433fc2718fe4da044ffca7431812a7e04e	Patch
https://git.kernel.org/stable/c/27a37755ceb401111ded76810359d3adc4b268a1	Patch
https://git.kernel.org/stable/c/2cf73c7cb6125083408d77f43d0e84d86aed0000	Patch
https://git.kernel.org/stable/c/2f42389d270f2304c8855b0b63498a5a4d0c053d	Patch
https://git.kernel.org/stable/c/6c4e3486d21173d60925ef52e512cae727b43d30	Patch
https://git.kernel.org/stable/c/b8879ca1fd7348b4d5db7db86dcb97f60c73d751	Patch
https://git.kernel.org/stable/c/f638a84afef3dfe10554c51820c16e39a278c915	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:5.19:rc1::::::

History

No history.

Information

Published : 2025-02-26 07:01

Updated : 2025-10-01 20:17

NVD link : CVE-2022-49727

Mitre link : CVE-2022-49727

CVE.ORG link : CVE-2022-49727

JSON object : View

Products Affected

linux

linux_kernel

CWE

CWE-190

Integer Overflow or Wraparound

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