NULL Pointer Dereference Affecting kernel-uek-debug package, versions <0:2.6.39-400.302.2.el6uek
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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Start learning- Snyk IDSNYK-ORACLE6-KERNELUEKDEBUG-2531763
- published10 Apr 2022
- disclosed26 Feb 2018
Introduced: 26 Feb 2018
CVE-2018-7492 (opens in a new tab)How to fix?
Upgrade Oracle:6 kernel-uek-debug to version 0:2.6.39-400.302.2.el6uek or higher.
This issue was patched in ELSA-2018-4250.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-uek-debug package and not the kernel-uek-debug package as distributed by Oracle.
See How to fix? for Oracle:6 relevant fixed versions and status.
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://linux.oracle.com/cve/CVE-2018-7492.html
- https://linux.oracle.com/errata/ELSA-2018-4242.html
- https://linux.oracle.com/errata/ELSA-2018-4245.html
- https://linux.oracle.com/errata/ELSA-2018-4246.html
- https://linux.oracle.com/errata/ELSA-2018-4250.html
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f3069c6d33f6ae63a1668737bc78aaaa51bff7ca
- http://www.securityfocus.com/bid/103185
- https://bugzilla.redhat.com/show_bug.cgi?id=1527393
- 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/