CVE-2022-49727
ipv6: Fix signed integer overflow in l2tp_ip6_sendmsg
CVSS Score
5.5
EPSS Score
0.0%
EPSS Percentile
0th
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.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Feb 26, 2025 |
| Last Updated | May 11, 2026 |
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Affected Versions
Linux / Linux
a32e0eec7042b21ccb52896cf715e3e2641fed93 < 2cf73c7cb6125083408d77f43d0e84d86aed0000 a32e0eec7042b21ccb52896cf715e3e2641fed93 < 0e818d433fc2718fe4da044ffca7431812a7e04e a32e0eec7042b21ccb52896cf715e3e2641fed93 < 6c4e3486d21173d60925ef52e512cae727b43d30 a32e0eec7042b21ccb52896cf715e3e2641fed93 < 2f42389d270f2304c8855b0b63498a5a4d0c053d a32e0eec7042b21ccb52896cf715e3e2641fed93 < b8879ca1fd7348b4d5db7db86dcb97f60c73d751 a32e0eec7042b21ccb52896cf715e3e2641fed93 < 27a37755ceb401111ded76810359d3adc4b268a1 a32e0eec7042b21ccb52896cf715e3e2641fed93 < 034246122f5c5e2e2a0b9fe04e24517920e9beb1 a32e0eec7042b21ccb52896cf715e3e2641fed93 < f638a84afef3dfe10554c51820c16e39a278c915
Linux / Linux
3.5
References
git.kernel.org: https://git.kernel.org/stable/c/2cf73c7cb6125083408d77f43d0e84d86aed0000 git.kernel.org: https://git.kernel.org/stable/c/0e818d433fc2718fe4da044ffca7431812a7e04e git.kernel.org: https://git.kernel.org/stable/c/6c4e3486d21173d60925ef52e512cae727b43d30 git.kernel.org: https://git.kernel.org/stable/c/2f42389d270f2304c8855b0b63498a5a4d0c053d git.kernel.org: https://git.kernel.org/stable/c/b8879ca1fd7348b4d5db7db86dcb97f60c73d751 git.kernel.org: https://git.kernel.org/stable/c/27a37755ceb401111ded76810359d3adc4b268a1 git.kernel.org: https://git.kernel.org/stable/c/034246122f5c5e2e2a0b9fe04e24517920e9beb1 git.kernel.org: https://git.kernel.org/stable/c/f638a84afef3dfe10554c51820c16e39a278c915