Buffer overflow in Linux Kernel
CVE-2018-13095
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.015 (73.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 74th percentile — 73.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- bugzilla.kernel.org/show_bug.cgi (Third Party Advisory, Issue Tracking)
- github.com/torvalds/linux/commit/23fcb3340d033d9f081e21e6c12c2db7eaa541d3 (Patch, Third Party Advisory)
- git.kernel.org/pub/scm/fs/xfs/xfs-linux.git/commit/ (Patch, Third Party Advisory)
- access.redhat.com/errata/RHSA-2019:1350 (vendor-advisory)
- access.redhat.com/errata/RHSA-2019:2043 (vendor-advisory)
- access.redhat.com/errata/RHSA-2019:2029 (vendor-advisory)
Frequently asked questions
- What is CVE-2018-13095?
- CVE-2018-13095 is a medium-severity vulnerability in Linux Kernel, classified under Out-of-bounds Write. CVSS score: 5.5/10. Published 2018-07-03.
- How severe is CVE-2018-13095?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2018-13095 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.