CVE-2018-1068
Medium
Description
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.
SeverityMedium
CVSS6.7
Exploit probability—
Product
Linux Kernel
PublishedMar 16, 2018
First seenMar 16, 2018
Weakness typeCWE-119Memory buffer bounds error
How to fix
Update
- linux linux_kernel3.2.102, 3.16.57, 3.18.100, 4.1.51, 4.4.122, 4.9.88, 4.14.27, 4.15.10 or later
Vendor advisories
- debian.org/security/2018/dsa-4187
- usn.ubuntu.com/3654-1/
- usn.ubuntu.com/3674-1/
- usn.ubuntu.com/3677-1/
- debian.org/security/2018/dsa-4188
- usn.ubuntu.com/3674-2/
- access.redhat.com/errata/RHSA-2018:1355
- access.redhat.com/errata/RHSA-2018:2948
- access.redhat.com/errata/RHSA-2018:1318
- usn.ubuntu.com/3677-2/
- usn.ubuntu.com/3654-2/
- usn.ubuntu.com/3656-1/
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | v < 3.2.102, 3.3 ≤ v < 3.16.57, 3.17 ≤ v < 3.18.100, 3.19 ≤ v < 4.1.51, 4.2 ≤ v < 4.4.122, 4.5 ≤ v < 4.9.88, 4.10 ≤ v < 4.14.27, 4.15 ≤ v < 4.15.10 | 3.2.102, 3.16.57, 3.18.100, 4.1.51, 4.4.122, 4.9.88, 4.14.27, 4.15.10 |
| canonical ubuntu_linux | 12.04, 14.04, 16.04, 17.10 | — |
| debian debian_linux | 7.0, 8.0, 9.0 | — |
| redhat virtualization_host | 4.0 | — |
| redhat enterprise_linux_desktop | 7.0 | — |
| redhat enterprise_linux_server | 7.0 | — |
| redhat enterprise_linux_server_aus | 7.6 | — |
| redhat enterprise_linux_server_eus | 7.5, 7.6 | — |
| redhat enterprise_linux_server_tus | 7.6 | — |
| redhat enterprise_linux_workstation | 7.0 | — |
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