CVE-2023-53782

Summary

In the Linux kernel, the following vulnerability has been resolved:

dccp: Fix out of bounds access in DCCP error handler

There was a previous attempt to fix an out-of-bounds access in the DCCP error handlers, but that fix assumed that the error handlers only want to access the first 8 bytes of the DCCP header. Actually, they also look at the DCCP sequence number, which is stored beyond 8 bytes, so an explicit pskb_may_pull() is required.

Affected Software

VendorProductVersion RangeStatus
LinuxLinux6706a97fec963d6cb3f7fc2978ec1427b4651214 < 3533e10272555c422a7d51ebc0ce8c483429f7f2affected
LinuxLinux6706a97fec963d6cb3f7fc2978ec1427b4651214 < 177212bf6dc1ff2d13d0409cddc5c9e81feec63daffected
LinuxLinux6706a97fec963d6cb3f7fc2978ec1427b4651214 < 7a7dd70cb954d3efa706a429687ded88c02496faaffected
LinuxLinux6706a97fec963d6cb3f7fc2978ec1427b4651214 < 4b8a938e329ae4eb54b73b0c87b5170607b038a8affected
LinuxLinux6706a97fec963d6cb3f7fc2978ec1427b4651214 < 6ecf09699eb1554299aa1e7fd13e9e80f656c2f9affected
LinuxLinux6706a97fec963d6cb3f7fc2978ec1427b4651214 < f8a7f10a1dccf9868ff09342a73dce27501b86dfaffected
LinuxLinux6706a97fec963d6cb3f7fc2978ec1427b4651214 < d8171411a661253e6271fa10b65b46daf1b6471caffected
LinuxLinux6706a97fec963d6cb3f7fc2978ec1427b4651214 < ec620c34f5fa5d055f9f6136a387755db6157712affected
LinuxLinux6706a97fec963d6cb3f7fc2978ec1427b4651214 < 977ad86c2a1bcaf58f01ab98df5cc145083c489caffected
LinuxLinux96106a207ae972d8f9e4815e84c159f29e4bbee7affected
LinuxLinux261def571d19d3b4e2228643c5c0ac89f5e10d15affected
LinuxLinuxdbf1719c65fb0368a94d15767c669e47e295a073affected
LinuxLinux46b1ffd4738a3ee04b2e8f5a4b8cfc39e9c722a2affected
LinuxLinuxa2df29ed840f90e459a3f8ff029b216be3912731affected
LinuxLinuxba93cf7d2118774c0b2dcfccc8ae999427815caaaffected
LinuxLinux4ca7e66fcce02459fa6961979f9fe30ae1098cf0affected
LinuxLinuxbd380617d5d161ea2bbe7a8073b3ca7bca0381e5affected
LinuxLinuxbfe7d1dee859cad6802f8e21a0a863f408114612affected
LinuxLinux968953df833c61fce5adcc0612efeaced24e5719affected
LinuxLinux99131760a8851e6e5b2c9b24d0a68a3068923a08affected
LinuxLinux84d9c612bb7a9e44c6bf286bedfbe72a6d2d71d4affected
LinuxLinux3.2.87 < 3.3affected
LinuxLinux3.10.105 < 3.11affected
LinuxLinux3.12.68 < 3.13affected
LinuxLinux3.16.42 < 3.17affected
LinuxLinux4.4.34 < 4.5affected
LinuxLinux4.8.10 < 4.9affected
LinuxLinux4.9affected
LinuxLinux0 < 4.9unaffected
LinuxLinux4.14.326 <= 4.14.*unaffected
LinuxLinux4.19.295 <= 4.19.*unaffected
LinuxLinux5.4.257 <= 5.4.*unaffected
LinuxLinux5.10.195 <= 5.10.*unaffected
LinuxLinux5.15.132 <= 5.15.*unaffected
LinuxLinux6.1.53 <= 6.1.*unaffected
LinuxLinux6.4.16 <= 6.4.*unaffected
LinuxLinux6.5.3 <= 6.5.*unaffected
LinuxLinux6.6 <= *unaffected

Weaknesses

References