NULL pointer dereference in Linux Kernel
CVE-2018-10323
The xfs_bmap_extents_to_btree function in fs/xfs/libxfs/xfs_bmap.c in the Linux kernel through 4.16.3 allows local users to cause a denial of service (xfs_bmapi_write NULL pointer dereference) via a crafted xfs image.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.006 (44.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 44th percentile — 44.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.006 · change: +0.000
Affected products
- Linux Kernel
- Canonical Ubuntu Linux — versions 14.04, 16.04, 18.04
- Debian Linux — versions 9.0
Weakness classification (CWE)
References
- usn.ubuntu.com/3752-2/ (vendor-advisory, Third Party Advisory)
- usn.ubuntu.com/3752-3/ (vendor-advisory, Third Party Advisory)
- www.securityfocus.com/bid/103959 (VDB Entry, Third Party Advisory, vdb-entry)
- www.spinics.net/lists/linux-xfs/msg17254.html (Patch, Third Party Advisory)
- www.debian.org/security/2018/dsa-4188 (vendor-advisory, Third Party Advisory)
- usn.ubuntu.com/3754-1/ (vendor-advisory, Third Party Advisory)
- bugzilla.kernel.org/show_bug.cgi (Exploit, Issue Tracking, Vendor Advisory)
- usn.ubuntu.com/3752-1/ (vendor-advisory, Third Party Advisory)
- usn.ubuntu.com/4486-1/ (vendor-advisory)
Frequently asked questions
- What is CVE-2018-10323?
- CVE-2018-10323 is a medium-severity vulnerability in Linux Kernel, classified under NULL Pointer Dereference. CVSS score: 5.5/10. Published 2018-04-24.
- How severe is CVE-2018-10323?
- Medium severity. CVSS v3 base score is 5.5 out of 10.