CVE-2024-36917

block: fix overflow in blk_ioctl_discard()

Description

In the Linux kernel, the following vulnerability has been resolved: block: fix overflow in blk_ioctl_discard() There is no check for overflow of 'start + len' in blk_ioctl_discard(). Hung task occurs if submit an discard ioctl with the following param: start = 0x80000000000ff000, len = 0x8000000000fff000; Add the overflow validation now.

N/A

CVSS

Severity:

EPSS 0.13%

Affected: Linux Linux

References

Link	Tags
https://git.kernel.org/stable/c/8a26198186e97ee5fc4b42fde82629cff8c75cd6
https://git.kernel.org/stable/c/e1d38cde2b7b0fbd1c48082e7a98c37d750af59b
https://git.kernel.org/stable/c/507d526a98c355e6f3fb2c47aacad44a69784bee
https://git.kernel.org/stable/c/22d24a544b0d49bbcbd61c8c0eaf77d3c9297155

Frequently Asked Questions

What is the severity of CVE-2024-36917?: CVE-2024-36917 has not yet been assigned a CVSS score.
How to fix CVE-2024-36917?: To fix CVE-2024-36917, 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-2024-36917 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2024-36917 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-2024-36917?: CVE-2024-36917 affects Linux Linux, Linux Linux.

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