Description
In the Linux kernel, the following vulnerability has been resolved: inet: RAW sockets using IPPROTO_RAW MUST drop incoming ICMP Yizhou Zhao reported that simply having one RAW socket on protocol IPPROTO_RAW (255) was dangerous. socket(AF_INET, SOCK_RAW, 255); A malicious incoming ICMP packet can set the protocol field to 255 and match this socket, leading to FNHE cache changes. inner = IP(src="192.168.2.1", dst="8.8.8.8", proto=255)/Raw("TEST") pkt = IP(src="192.168.1.1", dst="192.168.2.1")/ICMP(type=3, code=4, nexthopmtu=576)/inner "man 7 raw" states: A protocol of IPPROTO_RAW implies enabled IP_HDRINCL and is able to send any IP protocol that is specified in the passed header. Receiving of all IP protocols via IPPROTO_RAW is not possible using raw sockets. Make sure we drop these malicious packets.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
Linux Linux
Default version status: unaffected
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to < 47276297140ee6712646f9b19fb04fe26daedd01affected1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to < db76b75ede3810e7cf9cfea5067d4f3e0993768baffected1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to < 19e42490c89bac9a388f28179e66bebbef350f99affected1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to < 531c1aec81bfe19d00af13da5531fbb8209e4bd2affected1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to < 719d3932b8f6e3348ce2f0ac58e278301fc17575affected1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to < c89477ad79446867394360b29bb801010fc3ff22affected
Linux Linux
Default version status: affected
2.6.12affected0 to < 2.6.12unaffected6.1.187 to ≤ 6.1.*unaffected6.6.128 to ≤ 6.6.*unaffected6.12.75 to ≤ 6.12.*unaffected6.18.14 to ≤ 6.18.*unaffected6.19.4 to ≤ 6.19.*unaffected7.0 to ≤ *unaffected
References
- https://git.kernel.org/stable/c/47276297140ee6712646f9b19fb04fe26daedd01 ↗
- https://git.kernel.org/stable/c/db76b75ede3810e7cf9cfea5067d4f3e0993768b ↗
- https://git.kernel.org/stable/c/19e42490c89bac9a388f28179e66bebbef350f99 ↗
- https://git.kernel.org/stable/c/531c1aec81bfe19d00af13da5531fbb8209e4bd2 ↗
- https://git.kernel.org/stable/c/719d3932b8f6e3348ce2f0ac58e278301fc17575 ↗
- https://git.kernel.org/stable/c/c89477ad79446867394360b29bb801010fc3ff22 ↗