CVE-2018-7492
published 2018-02-26CVE-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…
PriorityP419medium5.5CVSS 3.0
AVLACLPRLUINSUCNINAH
EPSS
0.65%
47.7th percentile
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.
Affected
14 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| canonical | ubuntu_linux | — | — |
| canonical | ubuntu_linux | — | — |
| canonical | ubuntu_linux | — | — |
| canonical | ubuntu_linux | — | — |
| debian | debian_linux | — | — |
| debian | debian_linux | — | — |
| debian | linux | < linux 4.14.7-1 (bookworm) | linux 4.14.7-1 (bookworm) |
| linux | linux_kernel | < 4.14.7 | 4.14.7 |
| linux | linux_kernel | >= 0 < 4.14.7-1 | 4.14.7-1 |
| linux | linux_kernel | >= 0 < 4.14.7-1 | 4.14.7-1 |
| linux | linux_kernel | >= 0 < 4.14.7-1 | 4.14.7-1 |
| linux | linux_kernel | >= 0 < 4.14.7-1 | 4.14.7-1 |
| linux | linux_kernel | >= 0 < 3.13.0-151.201 | 3.13.0-151.201 |
| linux | linux_kernel | >= 0 < 4.4.0-119.143 | 4.4.0-119.143 |
CVSS provenance
nvdv3.05.5MEDIUMCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
nvdv2.04.9MEDIUMAV:L/AC:L/Au:N/C:N/I:N/A:C
osv7.8HIGH
vendor_ubuntu7.8HIGH
vendor_debian5.5MEDIUM
vendor_redhat5.5MEDIUM
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Ubuntu
Linux kernel (HWE) vulnerabilities
vendor_ubuntu·2018-06-12·CVSS 6.7
CVE-2018-1068 [MEDIUM] Linux kernel (HWE) vulnerabilities
Title: Linux kernel (HWE) vulnerabilities
Summary: Several security issues were fixed in the Linux kernel.
USN-3677-1 fixed vulnerabilities in the Linux kernel for Ubuntu 17.10.
This update provides the corresponding updates for the Linux Hardware
Enablement (HWE) kernel from Ubuntu 17.10 for Ubuntu 16.04 LTS.
It was discovered that the netfilter subsystem of the Linux kernel did not
properly validate ebtables offsets. A local attacker could use this to
cause a denial of service (system crash) or possibly execute arbitrary
code. (CVE-2018-1068)
Wen Xu discovered that the ext4 filesystem implementation in the Linux
kernel did not properly handle corrupted meta data in some situations. An
attacker could use this to specially craft an ext4 file system that caused
a denial of service (syst
Ubuntu
Linux kernel vulnerabilities
vendor_ubuntu·2018-06-11·CVSS 6.7
CVE-2018-1068 [MEDIUM] Linux kernel vulnerabilities
Title: Linux kernel vulnerabilities
Summary: Several security issues were fixed in the Linux kernel.
It was discovered that the netfilter subsystem of the Linux kernel did not
properly validate ebtables offsets. A local attacker could use this to
cause a denial of service (system crash) or possibly execute arbitrary
code. (CVE-2018-1068)
Wen Xu discovered that the ext4 filesystem implementation in the Linux
kernel did not properly handle corrupted meta data in some situations. An
attacker could use this to specially craft an ext4 file system that caused
a denial of service (system crash) when mounted. (CVE-2018-1092)
It was discovered that a NULL pointer dereference existed in the RDS
(Reliable Datagram Sockets) protocol implementation in the Linux kernel. A
local attacker could use th
Ubuntu
Linux kernel vulnerabilities
vendor_ubuntu·2018-06-11·CVSS 4.7
CVE-2017-0627 [MEDIUM] Linux kernel vulnerabilities
Title: Linux kernel vulnerabilities
Summary: Several security issues were fixed in the Linux kernel.
It was discovered that the netfilter subsystem of the Linux kernel did not
properly validate ebtables offsets. A local attacker could use this to
cause a denial of service (system crash) or possibly execute arbitrary
code. (CVE-2018-1068)
It was discovered that a NULL pointer dereference existed in the RDS
(Reliable Datagram Sockets) protocol implementation in the Linux kernel. A
local attacker could use this to cause a denial of service (system crash).
(CVE-2018-7492)
Eyal Itkin discovered that the USB displaylink video adapter driver in the
Linux kernel did not properly validate mmap offsets sent from userspace. A
local attacker could use this to expose sensitive information (kernel
m
Ubuntu
Linux kernel (Trusty HWE) vulnerabilities
vendor_ubuntu·2018-06-11·CVSS 4.7
CVE-2017-0627 [MEDIUM] Linux kernel (Trusty HWE) vulnerabilities
Title: Linux kernel (Trusty HWE) vulnerabilities
Summary: Several security issues were fixed in the Linux kernel.
USN-3674-1 fixed vulnerabilities in the Linux kernel for Ubuntu 14.04
LTS. This update provides the corresponding updates for the Linux
Hardware Enablement (HWE) kernel from Ubuntu 14.04 LTS for Ubuntu
12.04 ESM.
It was discovered that the netfilter subsystem of the Linux kernel did not
properly validate ebtables offsets. A local attacker could use this to
cause a denial of service (system crash) or possibly execute arbitrary
code. (CVE-2018-1068)
It was discovered that a NULL pointer dereference existed in the RDS
(Reliable Datagram Sockets) protocol implementation in the Linux kernel. A
local attacker could use this to cause a denial of service (system crash).
(CVE-2018-7
Ubuntu
Linux kernel (Xenial HWE) vulnerabilities
vendor_ubuntu·2018-04-05·CVSS 7.8
CVE-2017-0861 [HIGH] Linux kernel (Xenial HWE) vulnerabilities
Title: Linux kernel (Xenial HWE) vulnerabilities
Summary: Several security issues were fixed in the Linux kernel.
USN-3619-1 fixed vulnerabilities in the Linux kernel for Ubuntu 16.04
LTS. This update provides the corresponding updates for the Linux
Hardware Enablement (HWE) kernel from Ubuntu 16.04 LTS for Ubuntu
14.04 LTS.
Jann Horn discovered that the Berkeley Packet Filter (BPF) implementation
in the Linux kernel improperly performed sign extension in some situations.
A local attacker could use this to cause a denial of service (system crash)
or possibly execute arbitrary code. (CVE-2017-16995)
It was discovered that a race condition leading to a use-after-free
vulnerability existed in the ALSA PCM subsystem of the Linux kernel. A
local attacker could use this to cause a denial of
Ubuntu
Linux kernel vulnerabilities
vendor_ubuntu·2018-04-04·CVSS 7.8
CVE-2017-0861 [HIGH] Linux kernel vulnerabilities
Title: Linux kernel vulnerabilities
Summary: Several security issues were fixed in the Linux kernel.
Jann Horn discovered that the Berkeley Packet Filter (BPF) implementation
in the Linux kernel improperly performed sign extension in some situations.
A local attacker could use this to cause a denial of service (system crash)
or possibly execute arbitrary code. (CVE-2017-16995)
It was discovered that a race condition leading to a use-after-free
vulnerability existed in the ALSA PCM subsystem of the Linux kernel. A
local attacker could use this to cause a denial of service (system crash)
or possibly execute arbitrary code. (CVE-2017-0861)
It was discovered that the KVM implementation in the Linux kernel allowed
passthrough of the diagnostic I/O port 0x80. An attacker in a guest VM
could
Debian
CVE-2018-7492: linux - A NULL pointer dereference was found in the net/rds/rdma.c __rds_rdma_map() func...
vendor_debian·2018·CVSS 5.5
CVE-2018-7492 [MEDIUM] CVE-2018-7492: linux - A NULL pointer dereference was found in the net/rds/rdma.c __rds_rdma_map() func...
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.
Scope: local
bookworm: resolved (fixed in 4.14.7-1)
bullseye: resolved (fixed in 4.14.7-1)
forky: resolved (fixed in 4.14.7-1)
sid: resolved (fixed in 4.14.7-1)
trixie: resolved (fixed in 4.14.7-1)
Red Hat
kernel: Null pointer dereference in net/rds/rdma.c:__rds_rdma_map() allowing local attackers to cause denial-of-service
vendor_redhat·2017-12-06·CVSS 5.5
CVE-2018-7492 [MEDIUM] CWE-476 kernel: Null pointer dereference in net/rds/rdma.c:__rds_rdma_map() allowing local attackers to cause denial-of-service
kernel: Null pointer dereference in net/rds/rdma.c:__rds_rdma_map() allowing local attackers to cause denial-of-service
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.
A NULL pointer dereference was found in net/rds/rdma.c:__rds_rdma_map() function in the Linux kernel allowing local attackers to cause a system panic and a denial-of-service.
Statement: This issue affects the versions of the Linux kernel as shipped with Red Hat Enterprise Linux 6 and Red Hat Enterprise MRG 2. Future Linux kernel updates for the respective releases may address this issue.
This issue does not affect the versions of the
GHSA
GHSA-w26q-7wf7-m5ph: A NULL pointer dereference was found in the net/rds/rdma
ghsa_unreviewed·2022-05-14
CVE-2018-7492 [MEDIUM] CWE-476 GHSA-w26q-7wf7-m5ph: A NULL pointer dereference was found in the net/rds/rdma
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.
OSV
linux-hwe, linux-gcp, linux-oem vulnerabilities
osv·2018-06-12·CVSS 6.7
CVE-2018-1068 [MEDIUM] linux-hwe, linux-gcp, linux-oem vulnerabilities
linux-hwe, linux-gcp, linux-oem vulnerabilities
USN-3677-1 fixed vulnerabilities in the Linux kernel for Ubuntu 17.10.
This update provides the corresponding updates for the Linux Hardware
Enablement (HWE) kernel from Ubuntu 17.10 for Ubuntu 16.04 LTS.
It was discovered that the netfilter subsystem of the Linux kernel did not
properly validate ebtables offsets. A local attacker could use this to
cause a denial of service (system crash) or possibly execute arbitrary
code. (CVE-2018-1068)
Wen Xu discovered that the ext4 filesystem implementation in the Linux
kernel did not properly handle corrupted meta data in some situations. An
attacker could use this to specially craft an ext4 file system that caused
a denial of service (system crash) when mounted. (CVE-2018-1092)
It was discovered t
OSV
linux vulnerabilities
osv·2018-06-11·CVSS 4.7
CVE-2018-1068 [MEDIUM] linux vulnerabilities
linux vulnerabilities
It was discovered that the netfilter subsystem of the Linux kernel did not
properly validate ebtables offsets. A local attacker could use this to
cause a denial of service (system crash) or possibly execute arbitrary
code. (CVE-2018-1068)
It was discovered that a NULL pointer dereference existed in the RDS
(Reliable Datagram Sockets) protocol implementation in the Linux kernel. A
local attacker could use this to cause a denial of service (system crash).
(CVE-2018-7492)
Eyal Itkin discovered that the USB displaylink video adapter driver in the
Linux kernel did not properly validate mmap offsets sent from userspace. A
local attacker could use this to expose sensitive information (kernel
memory) or possibly execute arbitrary code. (CVE-2018-8781)
Xingyuan Lin discove
OSV
linux-lts-xenial, linux-aws vulnerabilities
osv·2018-04-05·CVSS 7.8
[HIGH] linux-lts-xenial, linux-aws vulnerabilities
linux-lts-xenial, linux-aws vulnerabilities
USN-3619-1 fixed vulnerabilities in the Linux kernel for Ubuntu 16.04
LTS. This update provides the corresponding updates for the Linux
Hardware Enablement (HWE) kernel from Ubuntu 16.04 LTS for Ubuntu
14.04 LTS.
Jann Horn discovered that the Berkeley Packet Filter (BPF) implementation
in the Linux kernel improperly performed sign extension in some situations.
A local attacker could use this to cause a denial of service (system crash)
or possibly execute arbitrary code. (CVE-2017-16995)
It was discovered that a race condition leading to a use-after-free
vulnerability existed in the ALSA PCM subsystem of the Linux kernel. A
local attacker could use this to cause a denial of service (system crash)
or possibly execute arbitrary code. (CVE-2017-08
OSV
linux, linux-aws, linux-kvm, linux-raspi2, linux-snapdragon vulnerabilities
osv·2018-04-04·CVSS 7.8
CVE-2017-16995 [HIGH] linux, linux-aws, linux-kvm, linux-raspi2, linux-snapdragon vulnerabilities
linux, linux-aws, linux-kvm, linux-raspi2, linux-snapdragon vulnerabilities
Jann Horn discovered that the Berkeley Packet Filter (BPF) implementation
in the Linux kernel improperly performed sign extension in some situations.
A local attacker could use this to cause a denial of service (system crash)
or possibly execute arbitrary code. (CVE-2017-16995)
It was discovered that a race condition leading to a use-after-free
vulnerability existed in the ALSA PCM subsystem of the Linux kernel. A
local attacker could use this to cause a denial of service (system crash)
or possibly execute arbitrary code. (CVE-2017-0861)
It was discovered that the KVM implementation in the Linux kernel allowed
passthrough of the diagnostic I/O port 0x80. An attacker in a guest VM
could use this to cause a denial
OSV
CVE-2018-7492: A NULL pointer dereference was found in the net/rds/rdma
osv·2018-02-26·CVSS 5.5
CVE-2018-7492 [MEDIUM] CVE-2018-7492: A NULL pointer dereference was found in the net/rds/rdma
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.
No detection rules found.
No public exploits indexed.
Bugzilla
CVE-2018-7492 kernel: Null pointer dereference in net/rds/rdma.c:__rds_rdma_map() allowing local attackers to cause denial-of-service
bugzilla·2017-12-19·CVSS 5.5
CVE-2018-7492 [MEDIUM] CVE-2018-7492 kernel: Null pointer dereference in net/rds/rdma.c:__rds_rdma_map() allowing local attackers to cause denial-of-service
CVE-2018-7492 kernel: Null pointer dereference in net/rds/rdma.c:__rds_rdma_map() allowing local attackers to cause denial-of-service
A NULL pointer dereference was found in net/rds/rdma.c:__rds_rdma_map() function in the Linux kernel allowing local attackers to cause a system panic and a denial-of-service.
References:
https://patchwork.kernel.org/patch/10096441/
https://xorl.wordpress.com/2017/12/18/linux-kernel-rdma-null-pointer-dereference/
http://seclists.org/oss-sec/2018/q1/191
An upstream patch:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f3069c6d33f6ae63a1668737bc78aaaa51bff7ca
Discussion:
Created kernel tracking bugs for this issue:
Affects: fedora-all [bug 1527395]
---
This was fixed in the kernel-4.14.7 update for Fedora.
---
Statem
Bugzilla
CVE-2018-7492 kernel: Null pointer dereference in net/rds/rdma.c:__rds_rdma_map() allowing local attackers to cause denial-of-service [fedora-all]
bugzilla·2017-12-19·CVSS 5.5
CVE-2018-7492 [MEDIUM] CVE-2018-7492 kernel: Null pointer dereference in net/rds/rdma.c:__rds_rdma_map() allowing local attackers to cause denial-of-service [fedora-all]
CVE-2018-7492 kernel: Null pointer dereference in net/rds/rdma.c:__rds_rdma_map() allowing local attackers to cause denial-of-service [fedora-all]
This is an automatically created tracking bug! It was created to ensure
that one or more security vulnerabilities are fixed in affected versions
of fedora-all.
For comments that are specific to the vulnerability please use bugs filed
against the "Security Response" product referenced in the "Blocks" field.
For more information see:
http://fedoraproject.org/wiki/Security/TrackingBugs
When submitting as an update, use the fedpkg template provided in the next
comment(s). This will include the bug IDs of this tracking bug as well as
the relevant top-level CVE bugs.
Please also mention the CVE IDs being fixed in the RPM changelog and the
fedpkg
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f3069c6d33f6ae63a1668737bc78aaaa51bff7cahttp://www.securityfocus.com/bid/103185https://bugzilla.redhat.com/show_bug.cgi?id=1527393https://github.com/torvalds/linux/commit/f3069c6d33f6ae63a1668737bc78aaaa51bff7cahttps://lists.debian.org/debian-lts-announce/2018/05/msg00000.htmlhttps://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-4187https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.7https://xorl.wordpress.com/2017/12/18/linux-kernel-rdma-null-pointer-dereference/http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f3069c6d33f6ae63a1668737bc78aaaa51bff7cahttp://www.securityfocus.com/bid/103185https://bugzilla.redhat.com/show_bug.cgi?id=1527393https://github.com/torvalds/linux/commit/f3069c6d33f6ae63a1668737bc78aaaa51bff7cahttps://lists.debian.org/debian-lts-announce/2018/05/msg00000.htmlhttps://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-4187https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.7https://xorl.wordpress.com/2017/12/18/linux-kernel-rdma-null-pointer-dereference/
2018-02-26
Published