Vulnerability Description
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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 5.15.22, < 5.15.25 |
Related Weaknesses (CWE)
References
- https://git.kernel.org/stable/c/1de9770d121ee9294794cca0e0be8fbfa0134ee8Patch
- https://git.kernel.org/stable/c/7de7ba7a8bd4fde0141de8674c13514d0072f0e6Patch
- https://git.kernel.org/stable/c/f00b6c976ae0dfbd9b891175f713f59095d23842Patch
- https://git.kernel.org/stable/c/1de9770d121ee9294794cca0e0be8fbfa0134ee8Patch
- https://git.kernel.org/stable/c/7de7ba7a8bd4fde0141de8674c13514d0072f0e6Patch
- https://git.kernel.org/stable/c/f00b6c976ae0dfbd9b891175f713f59095d23842Patch
FAQ
What is CVE-2022-48780?
CVE-2022-48780 is a vulnerability with a CVSS score of 5.5 (MEDIUM). 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 d...
How severe is CVE-2022-48780?
CVE-2022-48780 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2022-48780?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.