NULL pointer dereference in Linux Kernel
CVE-2018-7492
A NULL pointer dereference was found in the net/rds/rdma.c __rds_rdma_map() function in the Linux kernel before 4.14.7 allowing local attackers to cause a system panic and a denial-of-service, related to RDS_GET_MR and RDS_GET_MR_FOR_DEST.
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: 0.007 (50.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 50th percentile — 50.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000
Affected products
- Linux Kernel
- Canonical Ubuntu Linux — versions 12.04, 14.04, 16.04
- Debian Linux — versions 7.0, 8.0
Weakness classification (CWE)
References
- www.debian.org/security/2018/dsa-4187 (vendor-advisory, Third Party Advisory)
- www.securityfocus.com/bid/103185 (VDB Entry, Third Party Advisory, vdb-entry)
- usn.ubuntu.com/3619-2/ (vendor-advisory, Third Party Advisory)
- usn.ubuntu.com/3674-1/ (vendor-advisory, Third Party Advisory)
- usn.ubuntu.com/3677-1/ (vendor-advisory, Third Party Advisory)
- usn.ubuntu.com/3674-2/ (vendor-advisory, Third Party Advisory)
- bugzilla.redhat.com/show_bug.cgi (Third Party Advisory, Issue Tracking)
- patchwork.kernel.org/patch/10096441/ (Patch, Third Party Advisory)
- usn.ubuntu.com/3677-2/ (vendor-advisory, Third Party Advisory)
- www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.7 (Patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2018-7492?
- CVE-2018-7492 is a medium-severity vulnerability in Linux Kernel, classified under NULL Pointer Dereference. CVSS score: 5.5/10. Published 2018-02-26.
- How severe is CVE-2018-7492?
- Medium severity. CVSS v3 base score is 5.5 out of 10.