CVE-2018-7492
UnknownEPSS 0.68%
Last modified
CVE-2018-7492 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 0.68% chance of exploitation in the next 30 days.
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.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | < 4.14.7 |
| Debian | Debian Linux | 7.0 |
| Debian | Debian Linux | 8.0 |
| Canonical | Ubuntu Linux | 12.04 |
| Canonical | Ubuntu Linux | 14.04 |
| Canonical | Ubuntu Linux | 16.04 |
| Canonical | Ubuntu Linux | 17.10 |
References
- http://www.securityfocus.com/bid/103185Third Party Advisory, VDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=1527393Issue Tracking, Third Party Advisory
- https://github.com/torvalds/linux/commit/f3069c6d33f6ae63a1668737bc78aaaa51bff7caPatch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/05/msg00000.htmlMailing List, Third Party Advisory
- https://patchwork.kernel.org/patch/10096441/Patch, Third 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-4.14.7Patch, Vendor Advisory
- https://xorl.wordpress.com/2017/12/18/linux-kernel-rdma-null-pointer-dereference/Exploit, Patch, Third Party Advisory
- http://www.securityfocus.com/bid/103185Third Party Advisory, VDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=1527393Issue Tracking, Third Party Advisory
- https://github.com/torvalds/linux/commit/f3069c6d33f6ae63a1668737bc78aaaa51bff7caPatch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/05/msg00000.htmlMailing List, Third Party Advisory
- https://patchwork.kernel.org/patch/10096441/Patch, Third 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-4.14.7Patch, Vendor Advisory
- https://xorl.wordpress.com/2017/12/18/linux-kernel-rdma-null-pointer-dereference/Exploit, Patch, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is 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.
How severe is CVE-2018-7492?
Severity scoring for CVE-2018-7492 is pending analysis. The EPSS model estimates a 0.68% probability of exploitation in the next 30 days.
How do I fix CVE-2018-7492?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2018-7492?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST