CVE-2018-1068
What it is
A flaw was found in the Linux 4.x kernel's implementation of 32-bit syscall interface for bridging. This allowed a privileged user to arbitrarily write to a limited range of kernel memory.
At a glance
- Exploitability
- Can be exploited locally on the machine with an admin-level account. High risk of data exposure, data tampering, service disruption.
- Exploit odds
- 0.4% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 0.4% in the next 30 days (EPSS).
- Severity: 6.7 MEDIUM (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 0.4% · EPSS, next 30 days
- Weakness
- CWE-119 · Buffer errors
- Record status
- Modified
Affected
- Linux Kernel < 3.2.102
- Linux Kernel < 3.16.57
- Linux Kernel < 3.18.100
- Linux Kernel < 4.1.51
- Linux Kernel < 4.4.122
- Linux Kernel < 4.9.88
- Linux Kernel < 4.14.27
- Linux Kernel < 4.15.10
Attack profile CVSS 3.1 · 6.7
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- High
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Raw vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2018-1068.md and follow it. Check whether this project is affected by CVE-2018-1068. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b71812168571fa55e44cdd0254471331b9c4c4c6
- https://github.com/torvalds/linux/commit/b71812168571fa55e44cdd0254471331b9c4c4c6
- https://marc.info/?l=linux-netdev&m=152025888924151&w=2
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b71812168571fa55e44cdd0254471331b9c4c4c6
- https://github.com/torvalds/linux/commit/b71812168571fa55e44cdd0254471331b9c4c4c6
- https://marc.info/?l=linux-netdev&m=152025888924151&w=2
References
- http://www.securityfocus.com/bid/103459
- https://access.redhat.com/errata/RHSA-2018:1318
- https://access.redhat.com/errata/RHSA-2018:1355
- https://access.redhat.com/errata/RHSA-2018:2948
- https://access.redhat.com/errata/RHSA-2019:1170
- https://access.redhat.com/errata/RHSA-2019:1190
- https://access.redhat.com/errata/RHSA-2019:4159
- https://bugzilla.redhat.com/show_bug.cgi?id=1552048
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b71812168571fa55e44cdd0254471331b9c4c4c6
- https://github.com/torvalds/linux/commit/b71812168571fa55e44cdd0254471331b9c4c4c6
- https://lists.debian.org/debian-lts-announce/2018/05/msg00000.html
- https://marc.info/?l=linux-netdev&m=152023808817590&w=2
- https://marc.info/?l=linux-netdev&m=152025888924151&w=2
- 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-4187
- https://www.debian.org/security/2018/dsa-4188
- http://www.securityfocus.com/bid/103459
- https://access.redhat.com/errata/RHSA-2018:1318
- https://access.redhat.com/errata/RHSA-2018:1355