Vulnerability Description
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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | < 4.14.7 |
| Debian | Debian Linux | 7.0 |
| Canonical | Ubuntu Linux | 12.04 |
Related Weaknesses (CWE)
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f3069cPatchVendor Advisory
- http://www.securityfocus.com/bid/103185Third Party AdvisoryVDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=1527393Issue TrackingThird Party Advisory
- https://github.com/torvalds/linux/commit/f3069c6d33f6ae63a1668737bc78aaaa51bff7cPatchThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/05/msg00000.htmlMailing ListThird Party Advisory
- https://patchwork.kernel.org/patch/10096441/PatchThird Party Advisory
- https://usn.ubuntu.com/3619-1/Third Party Advisory
- https://usn.ubuntu.com/3619-2/Third Party Advisory
- https://usn.ubuntu.com/3674-1/Third Party Advisory
- https://usn.ubuntu.com/3674-2/Third Party Advisory
- https://usn.ubuntu.com/3677-1/Third Party Advisory
- https://usn.ubuntu.com/3677-2/Third Party Advisory
- https://www.debian.org/security/2018/dsa-4187Third Party Advisory
- https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.7PatchVendor Advisory
- https://xorl.wordpress.com/2017/12/18/linux-kernel-rdma-null-pointer-dereferenceExploitPatchThird Party Advisory
FAQ
What is CVE-2018-7492?
CVE-2018-7492 is a vulnerability with a CVSS score of 5.5 (MEDIUM). 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...
How severe is CVE-2018-7492?
CVE-2018-7492 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2018-7492?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel, Debian Debian Linux, Canonical Ubuntu Linux.