Loop with Unreachable Exit Condition ('Infinite Loop') Affecting kernel-zfcpdump-modules package, versions *
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Test your applications- Snyk ID SNYK-RHEL8-KERNELZFCPDUMPMODULES-7504296
- published 17 Jul 2024
- disclosed 16 Jul 2024
Introduced: 16 Jul 2024
CVE-2022-48780 Open this link in a new tabHow to fix?
There is no fixed version for RHEL:8 kernel-zfcpdump-modules.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-zfcpdump-modules package and not the kernel-zfcpdump-modules package as distributed by RHEL.
See How to fix? for RHEL:8 relevant fixed versions and status.
In the Linux kernel, the following vulnerability has been resolved:
net/smc: Avoid overwriting the copies of clcsock callback functions
The callback functions of clcsock will be saved and replaced during the fallback. But if the fallback happens more than once, then the copies of these callback functions will be overwritten incorrectly, resulting in a loop call issue:
clcsk->sk_error_report |- smc_fback_error_report() <------------------------------| |- smc_fback_forward_wakeup() | (loop) |- clcsock_callback() (incorrectly overwritten) | |- smc->clcsk_error_report() ------------------|
So this patch fixes the issue by saving these function pointers only once in the fallback and avoiding overwriting.