CVE-2024-57791
net/smc: check return value of sock_recvmsg when draining clc data
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net/smc: check return value of sock_recvmsg when draining clc data
In the Linux kernel, the following vulnerability has been resolved: net/smc: check return value of sock_recvmsg when draining clc data When receiving clc msg, the field length in smc_clc_msg_hdr indicates the length of msg should be received from network and the value should not be fully trusted as it is from the network. Once the value of length exceeds the value of buflen in function smc_clc_wait_msg it may run into deadloop when trying to drain the remaining data exceeding buflen. This patch checks the return value of sock_recvmsg when draining data in case of deadloop in draining.
Reserved 2025-01-09 | Published 2025-01-11 | Updated 2025-01-20 | Assigner Linuxgit.kernel.org/...c/82c7ad9ca09975aae737abffd66d1ad98874c13d
git.kernel.org/...c/6b80924af6216277892d5f091f5bfc7d1265fa28
git.kernel.org/...c/d7d1f986ebb284b1db8dafca7d1bdb6dd2445cf6
git.kernel.org/...c/7a6927814b4256d603e202ae7c5e38db3b338896
git.kernel.org/...c/df3dfe1a93c6298d8c09a18e4fba19ef5b17763b
git.kernel.org/...c/c5b8ee5022a19464783058dc6042e8eefa34e8cd
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