CVE-2018-7492
MediumA 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 3.0 score
5.5
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness type
CWE-476CVE-2018-7492 is a NULL Pointer Dereference vulnerability
What is NULL Pointer Dereference?
The product dereferences a pointer that it expects to be valid but is NULL, typically causing a crash. Learn more on MITRE CWE
References
The following references provide additional information about CVE-2018-7492 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.
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Securityfocushttp://www.securityfocus.com/bid/103185Third Party Advisory VDB Entry
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Issue Tracking Third Party Advisory
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Mailing List Third Party Advisory
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Ubuntu Securityhttps://usn.ubuntu.com/3619-1/Third Party Advisory
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Ubuntu Securityhttps://usn.ubuntu.com/3619-2/Third Party Advisory
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Ubuntu Securityhttps://usn.ubuntu.com/3674-1/Third Party Advisory
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Ubuntu Securityhttps://usn.ubuntu.com/3674-2/Third Party Advisory
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Ubuntu Securityhttps://usn.ubuntu.com/3677-1/Third Party Advisory
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Ubuntu Securityhttps://usn.ubuntu.com/3677-2/Third Party Advisory
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Debian Securityhttps://www.debian.org/security/2018/dsa-4187Third Party Advisory
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PatchKernel patch commithttp://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f3069c6d33f6ae63a1668737bc78aaaa51bff7ca
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PatchKernel patch commithttps://github.com/torvalds/linux/commit/f3069c6d33f6ae63a1668737bc78aaaa51bff7ca
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PatchKernel patch commithttps://patchwork.kernel.org/patch/10096441/
Frequently asked questions
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What is CVE-2018-7492?
CVE-2018-7492 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 , classified as a NULL Pointer Dereference flaw (CWE-476) . CVE-2018-7492 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
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What is the CVSS score for CVE-2018-7492?
CVE-2018-7492 has a CVSS score of 5.5 out of 10, rated Medium severity (CVSS 3.0). The vector string is
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H. -
Is there a patch available for CVE-2018-7492?
No patch is currently available for CVE-2018-7492. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
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Is CVE-2018-7492 actively exploited?
No — CVE-2018-7492 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
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What is NULL Pointer Dereference (CWE-476)?
The product dereferences a pointer that it expects to be valid but is NULL, typically causing a crash. View CWE-476 on MITRE CWE →