NULL Pointer Dereference The advisory has been revoked - it doesn't affect any version of package realtime-kernel (opens in a new tab)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-RHEL10-REALTIMEKERNEL-9888452
- published28 Apr 2025
- disclosed1 Jan 2018
Introduced: 1 Jan 2018
CVE-2018-7492 (opens in a new tab)Amendment
The Red Hat security team deemed this advisory irrelevant for RHEL:10.
NVD Description
Note: Versions mentioned in the description apply only to the upstream realtime-kernel package and not the realtime-kernel package as distributed by RHEL.
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.
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1527393
- https://access.redhat.com/security/cve/CVE-2018-7492
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f3069c6d33f6ae63a1668737bc78aaaa51bff7ca
- http://www.securityfocus.com/bid/103185
- https://github.com/torvalds/linux/commit/f3069c6d33f6ae63a1668737bc78aaaa51bff7ca
- https://lists.debian.org/debian-lts-announce/2018/05/msg00000.html
- https://patchwork.kernel.org/patch/10096441/
- https://usn.ubuntu.com/3619-1/
- https://usn.ubuntu.com/3619-2/
- https://usn.ubuntu.com/3674-1/
- https://usn.ubuntu.com/3674-2/
- https://usn.ubuntu.com/3677-1/
- https://usn.ubuntu.com/3677-2/
- https://www.debian.org/security/2018/dsa-4187
- https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.7
- https://xorl.wordpress.com/2017/12/18/linux-kernel-rdma-null-pointer-dereference/