CVE-2018-13095

Description

An issue was discovered in fs/xfs/libxfs/xfs_inode_buf.c in the Linux kernel through 4.17.3. A denial of service (memory corruption and BUG) can occur for a corrupted xfs image upon encountering an inode that is in extent format, but has more extents than fit in the inode fork.

Category

5.5
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.11%
Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://bugzilla.kernel.org/show_bug.cgi?id=199915 issue tracking third party advisory
https://github.com/torvalds/linux/commit/23fcb3340d033d9f081e21e6c12c2db7eaa541d3 third party advisory patch
https://git.kernel.org/pub/scm/fs/xfs/xfs-linux.git/commit/?h=for-next&id=23fcb3340d033d9f081e21e6c12c2db7eaa541d3 third party advisory patch
https://access.redhat.com/errata/RHSA-2019:1350 vendor advisory
https://access.redhat.com/errata/RHSA-2019:2043 vendor advisory
https://access.redhat.com/errata/RHSA-2019:2029 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2018-13095?
CVE-2018-13095 has been scored as a medium severity vulnerability.
How to fix CVE-2018-13095?
To fix CVE-2018-13095, 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-2018-13095 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2018-13095 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.
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