CVE-2022-49727
Medium
Description
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.
SeverityMedium
CVSS5.5
Exploit probability—
Product
Linux Kernel
PublishedFeb 26, 2025
First seenFeb 26, 2025
Weakness typeCWE-190Integer overflow
How to fix
Update
- linux linux_kernel4.9.320, 4.14.285, 4.19.249, 5.4.200, 5.10.124, 5.15.49, 5.18.6 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | v < 4.9.320, 4.10 ≤ v < 4.14.285, 4.15 ≤ v < 4.19.249, 4.20 ≤ v < 5.4.200, 5.5 ≤ v < 5.10.124, 5.11 ≤ v < 5.15.49, 5.16 ≤ v < 5.18.6, 5.19 | 4.9.320, 4.14.285, 4.19.249, 5.4.200, 5.10.124, 5.15.49, 5.18.6 |
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