CVE-2022-49289

uaccess: fix integer overflow on access_ok()

Description

In the Linux kernel, the following vulnerability has been resolved: uaccess: fix integer overflow on access_ok() Three architectures check the end of a user access against the address limit without taking a possible overflow into account. Passing a negative length or another overflow in here returns success when it should not. Use the most common correct implementation here, which optimizes for a constant 'size' argument, and turns the common case into a single comparison.

N/A

CVSS

Severity:

EPSS 0.03%

Affected: Linux Linux

References

Link	Tags
https://git.kernel.org/stable/c/e65d28d4e9bf90a35ba79c06661a572a38391dec
https://git.kernel.org/stable/c/99801e2f457824955da4aadaa035913a6dede03a
https://git.kernel.org/stable/c/a1ad747fc1a0e06d1bf26b996ee8a56b5c8d02d8
https://git.kernel.org/stable/c/222ca305c9fd39e5ed8104da25c09b2b79a516a8

Frequently Asked Questions

What is the severity of CVE-2022-49289?: CVE-2022-49289 has not yet been assigned a CVSS score.
How to fix CVE-2022-49289?: To fix CVE-2022-49289, 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-2022-49289 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2022-49289 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-2022-49289?: CVE-2022-49289 affects Linux Linux, Linux Linux.

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