CVE-2024-57791

net/smc: check return value of sock_recvmsg when draining clc data

Description

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.

N/A

CVSS

Severity:

EPSS 0.07%

Affected: Linux Linux

References

Link	Tags
https://git.kernel.org/stable/c/82c7ad9ca09975aae737abffd66d1ad98874c13d
https://git.kernel.org/stable/c/6b80924af6216277892d5f091f5bfc7d1265fa28
https://git.kernel.org/stable/c/d7d1f986ebb284b1db8dafca7d1bdb6dd2445cf6
https://git.kernel.org/stable/c/7a6927814b4256d603e202ae7c5e38db3b338896
https://git.kernel.org/stable/c/df3dfe1a93c6298d8c09a18e4fba19ef5b17763b
https://git.kernel.org/stable/c/c5b8ee5022a19464783058dc6042e8eefa34e8cd

Frequently Asked Questions

What is the severity of CVE-2024-57791?: CVE-2024-57791 has not yet been assigned a CVSS score.
How to fix CVE-2024-57791?: To fix CVE-2024-57791, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2024-57791 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2024-57791 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2024-57791?: CVE-2024-57791 affects Linux Linux, Linux Linux.

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