CVE-2024-38604

block: refine the EOF check in blkdev_iomap_begin

Description

In the Linux kernel, the following vulnerability has been resolved: block: refine the EOF check in blkdev_iomap_begin blkdev_iomap_begin rounds down the offset to the logical block size before stashing it in iomap->offset and checking that it still is inside the inode size. Check the i_size check to the raw pos value so that we don't try a zero size write if iter->pos is unaligned.

N/A

CVSS

Severity:

EPSS 0.16%

Affected: Linux Linux

References

Link	Tags
https://git.kernel.org/stable/c/910717920c8c3f9386277a44c44d448058a18084
https://git.kernel.org/stable/c/72c54e063c32aeb38d43a2bd897821e6e5a1757d
https://git.kernel.org/stable/c/10b723bcba8986537a484aa94dbfc9093fd776a1
https://git.kernel.org/stable/c/0c12028aec837f5a002009bbf68d179d506510e8

Frequently Asked Questions

What is the severity of CVE-2024-38604?: CVE-2024-38604 has not yet been assigned a CVSS score.
How to fix CVE-2024-38604?: To fix CVE-2024-38604, 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-2024-38604 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2024-38604 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-2024-38604?: CVE-2024-38604 affects Linux Linux, Linux Linux.

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