CVE-2023-53080

xsk: Add missing overflow check in xdp_umem_reg

Description

In the Linux kernel, the following vulnerability has been resolved: xsk: Add missing overflow check in xdp_umem_reg The number of chunks can overflow u32. Make sure to return -EINVAL on overflow. Also remove a redundant u32 cast assigning umem->npgs.

N/A

CVSS

Severity:

EPSS 0.02%

Affected: Linux Linux

References

Link	Tags
https://git.kernel.org/stable/c/580634b03a55f04a3c1968bcbd97736c079c6601
https://git.kernel.org/stable/c/3cfc3564411acf96bf2fb791f706a1aa4f872c1d
https://git.kernel.org/stable/c/a069909acc4435eeb41d05ccc03baa447cc01b7e
https://git.kernel.org/stable/c/bb2e3bfb2a79db0c2057c6f701b782954394c67f
https://git.kernel.org/stable/c/c7df4813b149362248d6ef7be41a311e27bf75fe

Frequently Asked Questions

What is the severity of CVE-2023-53080?: CVE-2023-53080 has not yet been assigned a CVSS score.
How to fix CVE-2023-53080?: To fix CVE-2023-53080, 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-2023-53080 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2023-53080 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-2023-53080?: CVE-2023-53080 affects Linux Linux, Linux Linux.

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