CVE-2025-38572

Vulnerability overview

In the Linux kernel, the following vulnerability has been resolved: ipv6: reject malicious packets in ipv6_gso_segment() syzbot was able to craft a packet with very long IPv6 extension headers leading to an overflow of skb->transport_header. This 16bit field has a limited range. Add skb_reset_transport_header_careful() helper and use it from ipv6_gso_segment() WARNING: CPU: 0 PID: 5871 at ./include/linux/skbuff.h:3032 skb_reset_transport_header include/linux/skbuff.h:3032 [inline] WARNING: CPU: 0 PID: 5871 at ./include/linux/skbuff.h:3032 ipv6_gso_segment+0x15e2/0x21e0 net/ipv6/ip6_offload....

Affected product and versions

Product

Linux Linux, linux kernel, debian linux

Affected versions

>= d1da932ed4ecad2a14cbcc01ed589d617d0f0f09 < 5dc60b2a00ed7629214ac0c48e43f40af2078703, >= d1da932ed4ecad2a14cbcc01ed589d617d0f0f09 < 3f638e0b28bde7c3354a0df938ab3a96739455d1, >= d1da932ed4ecad2a14cbcc01ed589d617d0f0f09 < 09ff062b89d8e48165247d677d1ca23d6d607e9b, >= d1da932ed4ecad2a14cbcc01ed589d617d0f0f09 < de322cdf600fc9433845a9e944d1ca6b31cfb67e, >= d1da932ed4ecad2a14cbcc01ed589d617d0f0f09 < ef05007b403dcc21e701cb1f30d4572ac0a9da20, >= d1da932ed4ecad2a14cbcc01ed589d617d0f0f09 < 5489e7fc6f8be3062f8cb7e49406de4bfd94db67, >= d1da932ed4ecad2a14cbcc01ed589d617d0f0f09 < 573b8250fc2554761db3bc2bbdbab23789d52d4e, >= d1da932ed4ecad2a14cbcc01ed589d617d0f0f09 < ee851768e4b8371ce151fd446d24bf3ae2d18789, >= d1da932ed4ecad2a14cbcc01ed589d617d0f0f09 < d45cf1e7d7180256e17c9ce88e32e8061a7887fe, >= 3.8, >= 3.8 < 5.4.297, >= 5.5 < 5.10.241, >= 5.11 < 5.15.190, >= 5.16 < 6.1.148, >= 6.2 < 6.6.102, >= 6.7 < 6.12.42, >= 6.13 < 6.15.10, >= 6.16 < 6.16.1, 11.0

Fixed versions

5.4.297, 5.10.241, 5.15.190, 6.1.148, 6.6.102, 6.12.42, 6.15.10, 6.16.1

Technical data

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CWE

Not available