CVE-2018-7492
Aliases:UBUNTU-CVE-2018-7492DEBIAN-CVE-2018-7492
Advisory lineage Upstream: 0 Downstream: 18
Modified
Published: 26 Feb 2018, 20:00
Last modified:05 Aug 2024, 06:31
Vulnerability Summary
Overall Risk (default)
medium
32/100 CVSS Score
5.5 MEDIUM
v3.0 (nvd)
EPSS Score
0.67% LOW
1% probability +0.60%
KEV
Not listed
Ransomware
No reports
Public exploits
1 found
Dark Web
Not detected
Timeline
26 Feb 2018, 20:00
Published
Vulnerability first disclosed
05 Aug 2024, 06:31
Last Modified
Vulnerability information updated
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 Metrics
- v3.0•MEDIUM•Score: 5.5CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- v2.0•MEDIUM•Score: 4.9AV:L/AC:L/Au:N/C:N/I:N/A:C
EPSS Trends
Current EPSS score: 0.67%• Percentile: 50%
Techniques & Countermeasures
- CWE-476•NULL Pointer Dereference
The product dereferences a pointer that it expects to be valid but is NULL.
Affected Systems
- canonical•ubuntu_linux
12.04 | 14.04 | 16.04 | 17.10
- debian•linux
< 4.14.7-1 | < 4.14.7-1 | < 4.14.7-1 | < 4.14.7-1
- ubuntu•linux
< 3.13.0-151.201 | < 4.4.0-119.143
- ubuntu•linux-aws
< 4.4.0-1016.16 | < 4.4.0-1054.63
- ubuntu•linux-azure
< 4.15.0-1013.13~16.04.2
- ubuntu•linux-azure-6.11
all
- ubuntu•linux-azure-fde
all
- ubuntu•linux-azure-fde-5.15
all
- ubuntu•linux-fips
< 4.4.0-1008.10
- ubuntu•linux-gcp
< 4.13.0-1019.23
- ubuntu•linux-gcp-6.11
all
- ubuntu•linux-gke
all
- ubuntu•linux-hwe
< 4.15.0-24.26~16.04.1
- ubuntu•linux-hwe-6.11
all
- ubuntu•linux-intel-iot-realtime
all
- ubuntu•linux-kvm
< 4.4.0-1020.25
- ubuntu•linux-lowlatency-hwe-6.11
all
- ubuntu•linux-lts-xenial
< 4.4.0-119.143~14.04.1
- ubuntu•linux-oem
< 4.13.0-1030.33
- ubuntu•linux-raspi-realtime
all
- ubuntu•linux-raspi2
< 4.4.0-1086.94 | all
- ubuntu•linux-realtime
all
- ubuntu•linux-riscv
all | all
- ubuntu•linux-snapdragon
< 4.4.0-1088.93
- debian•debian_linux
7.0 | 8.0
- linux•linux_kernel
< 4.14.7
References (24)
- https://www.debian.org/security/2018/dsa-4187
- http://www.securityfocus.com/bid/103185
- https://usn.ubuntu.com/3619-2/
- https://usn.ubuntu.com/3674-1/
- https://usn.ubuntu.com/3677-1/
- https://usn.ubuntu.com/3674-2/
- https://bugzilla.redhat.com/show_bug.cgi?id=1527393
- https://patchwork.kernel.org/patch/10096441/
- https://usn.ubuntu.com/3677-2/
- https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.7
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f3069c6d33f6ae63a1668737bc78aaaa51bff7ca
- https://xorl.wordpress.com/2017/12/18/linux-kernel-rdma-null-pointer-dereference/
- https://lists.debian.org/debian-lts-announce/2018/05/msg00000.html
- https://usn.ubuntu.com/3619-1/
- https://github.com/torvalds/linux/commit/f3069c6d33f6ae63a1668737bc78aaaa51bff7ca
- https://ubuntu.com/security/CVE-2018-7492
- https://ubuntu.com/security/notices/USN-3619-1
- https://ubuntu.com/security/notices/USN-3619-2
- https://ubuntu.com/security/notices/USN-3677-1
- https://ubuntu.com/security/notices/USN-3677-2
- https://ubuntu.com/security/notices/USN-3674-1
- https://ubuntu.com/security/notices/USN-3674-2
- https://www.cve.org/CVERecord?id=CVE-2018-7492
- https://security-tracker.debian.org/tracker/CVE-2018-7492