NULL pointer dereference in Linux Kernel
CVE-2018-13094
An issue was discovered in fs/xfs/libxfs/xfs_attr_leaf.c in the Linux kernel through 4.17.3. An OOPS may occur for a corrupted xfs image after xfs_da_shrink_inode() is called with a NULL bp.
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: 0.022 (81.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 82nd percentile — 81.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.022 · newest: 0.022 · change: 0.000
Affected products
- Linux Kernel
- Canonical Ubuntu Linux — versions 14.04, 16.04, 18.04
Weakness classification (CWE)
Public proof-of-concept exploits
References
- usn.ubuntu.com/3752-2/ (vendor-advisory, Third Party Advisory)
- usn.ubuntu.com/3752-3/ (vendor-advisory, Third Party Advisory)
- usn.ubuntu.com/3753-2/ (vendor-advisory, Third Party Advisory)
- git.kernel.org/pub/scm/fs/xfs/xfs-linux.git/commit/ (Patch, Third Party Advisory)
- usn.ubuntu.com/3754-1/ (vendor-advisory, Third Party Advisory)
- github.com/torvalds/linux/commit/bb3d48dcf86a97dc25fe9fc2c11938e19cb4399a (Patch, Third Party Advisory)
- bugzilla.kernel.org/show_bug.cgi (Exploit, Third Party Advisory, Issue Tracking)
- usn.ubuntu.com/3752-1/ (vendor-advisory, Third Party Advisory)
- usn.ubuntu.com/3753-1/ (vendor-advisory, Third Party Advisory)
- access.redhat.com/errata/RHSA-2019:0831 (vendor-advisory)
Frequently asked questions
- What is CVE-2018-13094?
- CVE-2018-13094 is a medium-severity vulnerability in Linux Kernel, classified under NULL Pointer Dereference. CVSS score: 5.5/10. Published 2018-07-03.
- How severe is CVE-2018-13094?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2018-13094 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.