CVE-2018-8781
published 2018-04-23CVE-2018-8781: The udl_fb_mmap function in drivers/gpu/drm/udl/udl_fb.c at the Linux kernel version 3.4 and up to and including 4.15 has an integer-overflow vulnerability…
PriorityP339high7.8CVSS 3.1
AVLACLPRLUINSUCHIHAH
EPSS
0.50%
40.1th percentile
The udl_fb_mmap function in drivers/gpu/drm/udl/udl_fb.c at the Linux kernel version 3.4 and up to and including 4.15 has an integer-overflow vulnerability allowing local users with access to the udldrmfb driver to obtain full read and write permissions on kernel physical pages, resulting in a code execution in kernel space.
Affected
25 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| canonical | ubuntu_linux | — | — |
| canonical | ubuntu_linux | — | — |
| canonical | ubuntu_linux | — | — |
| canonical | ubuntu_linux | — | — |
| check_point_software_technologies_ltd | linux_kernel | — | — |
| debian | debian_linux | — | — |
| debian | debian_linux | — | — |
| debian | debian_linux | — | — |
| debian | linux | < linux 4.15.17-1 (bookworm) | linux 4.15.17-1 (bookworm) |
| linux | linux_kernel | >= 0 < 4.15.17-1 | 4.15.17-1 |
| linux | linux_kernel | >= 0 < 4.15.17-1 | 4.15.17-1 |
| linux | linux_kernel | >= 0 < 4.15.17-1 | 4.15.17-1 |
| linux | linux_kernel | >= 0 < 4.15.17-1 | 4.15.17-1 |
| linux | linux_kernel | >= 0 < 3.13.0-151.201 | 3.13.0-151.201 |
| linux | linux_kernel | >= 0 < 4.4.0-127.153 | 4.4.0-127.153 |
| linux | linux_kernel | >= 3.17 < 3.18.103 | 3.18.103 |
| linux | linux_kernel | >= 3.19 < 4.1.52 | 4.1.52 |
| linux | linux_kernel | >= 3.4 < 3.16.57 | 3.16.57 |
| linux | linux_kernel | >= 4.10 < 4.14.31 | 4.14.31 |
| linux | linux_kernel | >= 4.15 < 4.15.14 | 4.15.14 |
| linux | linux_kernel | >= 4.2 < 4.4.125 | 4.4.125 |
| linux | linux_kernel | >= 4.5 < 4.9.91 | 4.9.91 |
| redhat | enterprise_linux_desktop | — | — |
| redhat | enterprise_linux_server | — | — |
| redhat | enterprise_linux_workstation | — | — |
CVSS provenance
nvdv3.17.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
nvdv2.07.2HIGHAV:L/AC:L/Au:N/C:C/I:C/A:C
osv7.8HIGH
vendor_debian7.8HIGH
vendor_redhat7.8HIGH
vendor_ubuntu6.7MEDIUM
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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 vulnerabilities
vendor_ubuntu·2018-05-22·CVSS 5.5
CVE-2017-17975 [MEDIUM] Linux kernel vulnerabilities
Title: Linux kernel vulnerabilities
Summary: Several security issues were addressed in the Linux kernel.
Jann Horn and Ken Johnson discovered that microprocessors utilizing
speculative execution of a memory read may allow unauthorized memory
reads via a sidechannel attack. This flaw is known as Spectre
Variant 4. A local attacker could use this to expose sensitive
information, including kernel memory. (CVE-2018-3639)
Tuba Yavuz discovered that a double-free error existed in the USBTV007
driver of the Linux kernel. A local attacker could use this to cause a
denial of service (system crash) or possibly execute arbitrary code.
(CVE-2017-17975)
It was discovered that a race condition existed in the F2FS implementation
in the Linux kernel. A local attacker could use this to cause a denial o
Ubuntu
Linux kernel (Raspberry Pi 2, Snapdragon) vulnerabilities
vendor_ubuntu·2018-05-22·CVSS 5.5
CVE-2017-17975 [MEDIUM] Linux kernel (Raspberry Pi 2, Snapdragon) vulnerabilities
Title: Linux kernel (Raspberry Pi 2, Snapdragon) vulnerabilities
Summary: Several security issues were fixed in the Linux kernel.
Tuba Yavuz discovered that a double-free error existed in the USBTV007
driver of the Linux kernel. A local attacker could use this to cause a
denial of service (system crash) or possibly execute arbitrary code.
(CVE-2017-17975)
It was discovered that a race condition existed in the F2FS implementation
in the Linux kernel. A local attacker could use this to cause a denial of
service (system crash). (CVE-2017-18193)
It was discovered that a buffer overflow existed in the Hisilicon HNS
Ethernet Device driver in the Linux kernel. A local attacker could use this
to cause a denial of service (system crash) or possibly execute arbitrary
code. (CVE-2017-18222)
It w
Ubuntu
Linux kernel (Xenial HWE) vulnerabilities
vendor_ubuntu·2018-05-22·CVSS 5.5
CVE-2017-17975 [MEDIUM] Linux kernel (Xenial HWE) vulnerabilities
Title: Linux kernel (Xenial HWE) vulnerabilities
Summary: Several security issues were addressed in the Linux kernel.
USN-3654-1 fixed vulnerabilities and added mitigations 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 and Ken Johnson discovered that microprocessors utilizing
speculative execution of a memory read may allow unauthorized memory
reads via a sidechannel attack. This flaw is known as Spectre
Variant 4. A local attacker could use this to expose sensitive
information, including kernel memory. (CVE-2018-3639)
Tuba Yavuz discovered that a double-free error existed in the USBTV007
driver of the Linux kernel. A local attacker could use t
Red Hat
kernel: Integer overflow in drivers/gpu/drm/udl/udl_fb.c:udl_fb_mmap() can allow attackers to execute code in kernel space
vendor_redhat·2018-03-21·CVSS 7.8
CVE-2018-8781 [HIGH] CWE-190 kernel: Integer overflow in drivers/gpu/drm/udl/udl_fb.c:udl_fb_mmap() can allow attackers to execute code in kernel space
kernel: Integer overflow in drivers/gpu/drm/udl/udl_fb.c:udl_fb_mmap() can allow attackers to execute code in kernel space
The udl_fb_mmap function in drivers/gpu/drm/udl/udl_fb.c at the Linux kernel version 3.4 and up to and including 4.15 has an integer-overflow vulnerability allowing local users with access to the udldrmfb driver to obtain full read and write permissions on kernel physical pages, resulting in a code execution in kernel space.
A an integer overflow vulnerability was discovered in the Linux kernel, from version 3.4 through 4.15, in the drivers/gpu/drm/udl/udl_fb.c:udl_fb_mmap() function. An attacker with access to the udldrmfb driver could exploit this to obtain full read and write permissions on kernel physical pages, resulting in a code execution in kernel space.
Pac
Debian
CVE-2018-8781: linux - The udl_fb_mmap function in drivers/gpu/drm/udl/udl_fb.c at the Linux kernel ver...
vendor_debian·2018·CVSS 7.8
CVE-2018-8781 [HIGH] CVE-2018-8781: linux - The udl_fb_mmap function in drivers/gpu/drm/udl/udl_fb.c at the Linux kernel ver...
The udl_fb_mmap function in drivers/gpu/drm/udl/udl_fb.c at the Linux kernel version 3.4 and up to and including 4.15 has an integer-overflow vulnerability allowing local users with access to the udldrmfb driver to obtain full read and write permissions on kernel physical pages, resulting in a code execution in kernel space.
Scope: local
bookworm: resolved (fixed in 4.15.17-1)
bullseye: resolved (fixed in 4.15.17-1)
forky: resolved (fixed in 4.15.17-1)
sid: resolved (fixed in 4.15.17-1)
trixie: resolved (fixed in 4.15.17-1)
GHSA
GHSA-c9m9-x3p2-fwvw: The udl_fb_mmap function in drivers/gpu/drm/udl/udl_fb
ghsa_unreviewed·2022-05-14
CVE-2018-8781 [HIGH] CWE-190 GHSA-c9m9-x3p2-fwvw: The udl_fb_mmap function in drivers/gpu/drm/udl/udl_fb
The udl_fb_mmap function in drivers/gpu/drm/udl/udl_fb.c at the Linux kernel version 3.4 and up to and including 4.15 has an integer-overflow vulnerability allowing local users with access to the udldrmfb driver to obtain full read and write permissions on kernel physical pages, resulting in a code execution in kernel space.
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, linux-aws, linux-kvm, vulnerabilities
osv·2018-05-22·CVSS 5.5
CVE-2018-3639 [MEDIUM] linux, linux-aws, linux-kvm, vulnerabilities
linux, linux-aws, linux-kvm, vulnerabilities
Jann Horn and Ken Johnson discovered that microprocessors utilizing
speculative execution of a memory read may allow unauthorized memory
reads via a sidechannel attack. This flaw is known as Spectre
Variant 4. A local attacker could use this to expose sensitive
information, including kernel memory. (CVE-2018-3639)
Tuba Yavuz discovered that a double-free error existed in the USBTV007
driver of the Linux kernel. A local attacker could use this to cause a
denial of service (system crash) or possibly execute arbitrary code.
(CVE-2017-17975)
It was discovered that a race condition existed in the F2FS implementation
in the Linux kernel. A local attacker could use this to cause a denial of
service (system crash). (CVE-2017-18193)
It was discovered
OSV
linux-lts-xenial, linux-aws vulnerabilities
osv·2018-05-22·CVSS 5.5
[MEDIUM] linux-lts-xenial, linux-aws vulnerabilities
linux-lts-xenial, linux-aws vulnerabilities
USN-3654-1 fixed vulnerabilities and added mitigations 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 and Ken Johnson discovered that microprocessors utilizing
speculative execution of a memory read may allow unauthorized memory
reads via a sidechannel attack. This flaw is known as Spectre
Variant 4. A local attacker could use this to expose sensitive
information, including kernel memory. (CVE-2018-3639)
Tuba Yavuz discovered that a double-free error existed in the USBTV007
driver of the Linux kernel. A local attacker could use this to cause a
denial of service (system crash) or possibly execute arbitra
OSV
linux-raspi2, linux-snapdragon vulnerabilities
osv·2018-05-22·CVSS 5.5
CVE-2017-17975 [MEDIUM] linux-raspi2, linux-snapdragon vulnerabilities
linux-raspi2, linux-snapdragon vulnerabilities
Tuba Yavuz discovered that a double-free error existed in the USBTV007
driver of the Linux kernel. A local attacker could use this to cause a
denial of service (system crash) or possibly execute arbitrary code.
(CVE-2017-17975)
It was discovered that a race condition existed in the F2FS implementation
in the Linux kernel. A local attacker could use this to cause a denial of
service (system crash). (CVE-2017-18193)
It was discovered that a buffer overflow existed in the Hisilicon HNS
Ethernet Device driver in the Linux kernel. A local attacker could use this
to cause a denial of service (system crash) or possibly execute arbitrary
code. (CVE-2017-18222)
It was discovered that the netfilter subsystem in the Linux kernel did not
validate that
OSV
CVE-2018-8781: The udl_fb_mmap function in drivers/gpu/drm/udl/udl_fb
osv·2018-04-23·CVSS 7.8
CVE-2018-8781 [HIGH] CVE-2018-8781: The udl_fb_mmap function in drivers/gpu/drm/udl/udl_fb
The udl_fb_mmap function in drivers/gpu/drm/udl/udl_fb.c at the Linux kernel version 3.4 and up to and including 4.15 has an integer-overflow vulnerability allowing local users with access to the udldrmfb driver to obtain full read and write permissions on kernel physical pages, resulting in a code execution in kernel space.
No detection rules found.
No public exploits indexed.
Checkpoint
MMap Vulnerabilities – Linux Kernel
blogs_checkpoint·2018-04-29
CVE-2018-8781 MMap Vulnerabilities – Linux Kernel
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## MMap Vulnerabilities – Linux Kernel
Research By: Eyal Itkin
As part of our efforts in identifying vulnerabilities in different products, from time to time we also review the Linux Kernel,
Bugzilla
CVE-2018-8781 kernel: Integer overflow in drivers/gpu/drm/udl/udl_fb.c:udl_fb_mmap() can allow attackers to execute code in kernel space [fedora-all]
bugzilla·2018-04-24·CVSS 7.8
CVE-2018-8781 [HIGH] CVE-2018-8781 kernel: Integer overflow in drivers/gpu/drm/udl/udl_fb.c:udl_fb_mmap() can allow attackers to execute code in kernel space [fedora-all]
CVE-2018-8781 kernel: Integer overflow in drivers/gpu/drm/udl/udl_fb.c:udl_fb_mmap() can allow attackers to execute code in kernel space [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
fedp
Bugzilla
CVE-2018-8781 kernel: Integer overflow in drivers/gpu/drm/udl/udl_fb.c:udl_fb_mmap() can allow attackers to execute code in kernel space
bugzilla·2018-04-24·CVSS 7.8
CVE-2018-8781 [HIGH] CVE-2018-8781 kernel: Integer overflow in drivers/gpu/drm/udl/udl_fb.c:udl_fb_mmap() can allow attackers to execute code in kernel space
CVE-2018-8781 kernel: Integer overflow in drivers/gpu/drm/udl/udl_fb.c:udl_fb_mmap() can allow attackers to execute code in kernel space
The Linux kernel from version 3.4 through 4.15 has an integer overflow vulnerability in the drivers/gpu/drm/udl/udl_fb.c:udl_fb_mmap() function. An attacker with access to the udldrmfb driver could exploit this to obtain full read and write permissions on kernel physical pages, resulting in a code execution in kernel space.
Upstream Patch:
https://patchwork.freedesktop.org/patch/211845/
Mitre annoucement:
https://cve.mitre.org/cgi-bin/cvename.cgi?name=2018-8781
Discussion:
Created kernel tracking bugs for this issue:
Affects: fedora-all [bug 1571063]
---
This was fixed for Fedora with the 4.15.14 stable kernel updates.
---
This issue has bee
https://access.redhat.com/errata/RHSA-2018:2948https://access.redhat.com/errata/RHSA-2018:3083https://access.redhat.com/errata/RHSA-2018:3096https://lists.debian.org/debian-lts-announce/2018/05/msg00000.htmlhttps://patchwork.freedesktop.org/patch/211845/https://research.checkpoint.com/mmap-vulnerabilities-linux-kernel/https://usn.ubuntu.com/3654-1/https://usn.ubuntu.com/3654-2/https://usn.ubuntu.com/3656-1/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.debian.org/security/2018/dsa-4188https://access.redhat.com/errata/RHSA-2018:2948https://access.redhat.com/errata/RHSA-2018:3083https://access.redhat.com/errata/RHSA-2018:3096https://lists.debian.org/debian-lts-announce/2018/05/msg00000.htmlhttps://patchwork.freedesktop.org/patch/211845/https://research.checkpoint.com/mmap-vulnerabilities-linux-kernel/https://usn.ubuntu.com/3654-1/https://usn.ubuntu.com/3654-2/https://usn.ubuntu.com/3656-1/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.debian.org/security/2018/dsa-4188
2018-04-23
Published