CVE-2018-18445

Published: Oct 17, 2018Modified: Nov 21, 2024

7.8

Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploitability: 1.8 / Impact: 5.9

Source: NVD

Description

In the Linux kernel 4.14.x, 4.15.x, 4.16.x, 4.17.x, and 4.18.x before 4.18.13, faulty computation of numeric bounds in the BPF verifier permits out-of-bounds memory accesses because adjust_scalar_min_max_vals in kernel/bpf/verifier.c mishandles 32-bit right shifts.

Affected (13)

Products: Linux: Linux Kernel · Canonical: Ubuntu Linux · Redhat: Enterprise Linux Desktop, Enterprise Linux Server, Enterprise Linux Server Aus, Enterprise Linux Server Eus, Enterprise Linux Server Tus, Enterprise Linux Workstation

1 product

1 product

6 products

Enterprise Linux Desktop

Enterprise Linux Server

Enterprise Linux Server Aus

Enterprise Linux Server Eus

Enterprise Linux Server Tus

Enterprise Linux Workstation

Configuration A

2 vulnerable

Vulnerable Software	Affected Versions
Linux Linux Kernel	From 4.14.9 to 4.14.75
Linux Linux Kernel	From 4.15 to 4.18.13

Configuration B

4 vulnerable

Vulnerable Software	Affected Versions
Canonical Ubuntu Linux	Version 14.04
Canonical Ubuntu Linux	Version 16.04
Canonical Ubuntu Linux	Version 18.04
Canonical Ubuntu Linux	Version 18.10

Configuration C

7 vulnerable

Vulnerable Software	Affected Versions
Redhat Enterprise Linux Desktop	Version 7.0
Redhat Enterprise Linux Server	Version 7.0
Redhat Enterprise Linux Server	Version 7.6
Redhat Enterprise Linux Server Aus	Version 7.6
Redhat Enterprise Linux Server Eus	Version 7.6
Redhat Enterprise Linux Server Tus	Version 7.6
Redhat Enterprise Linux Workstation	Version 7.0

Related CWEs

Out-of-bounds Read

The product reads data past the end, or before the beginning, of the intended buffer.

References (26)

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b799207e1e1816b09e7a5920fbb2d5fcf6edd681

Source: cve@mitre.org

PatchThird Party Advisory

https://access.redhat.com/errata/RHSA-2019:0512

Source: cve@mitre.org

Third Party Advisory

https://access.redhat.com/errata/RHSA-2019:0514

Source: cve@mitre.org

Third Party Advisory

https://bugs.chromium.org/p/project-zero/issues/detail?id=1686

Source: cve@mitre.org

Issue TrackingPatchThird Party Advisory

https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.75

Source: cve@mitre.org

PatchRelease NotesThird Party Advisory

https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.18.13

Source: cve@mitre.org

PatchRelease NotesThird Party Advisory

https://github.com/torvalds/linux/commit/b799207e1e1816b09e7a5920fbb2d5fcf6edd681

Source: cve@mitre.org

PatchThird Party Advisory

https://support.f5.com/csp/article/K38456756

Source: cve@mitre.org

Third Party Advisory

https://usn.ubuntu.com/3832-1/

Source: cve@mitre.org

Third Party Advisory

https://usn.ubuntu.com/3835-1/

Source: cve@mitre.org

Third Party Advisory

https://usn.ubuntu.com/3847-1/

Source: cve@mitre.org

Third Party Advisory

https://usn.ubuntu.com/3847-2/

Source: cve@mitre.org

Third Party Advisory

https://usn.ubuntu.com/3847-3/

Source: cve@mitre.org

Third Party Advisory

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b799207e1e1816b09e7a5920fbb2d5fcf6edd681

Source: af854a3a-2127-422b-91ae-364da2661108

PatchThird Party Advisory

https://access.redhat.com/errata/RHSA-2019:0512

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party Advisory

https://access.redhat.com/errata/RHSA-2019:0514

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party Advisory

https://bugs.chromium.org/p/project-zero/issues/detail?id=1686

Source: af854a3a-2127-422b-91ae-364da2661108

Issue TrackingPatchThird Party Advisory

https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.75

Source: af854a3a-2127-422b-91ae-364da2661108

PatchRelease NotesThird Party Advisory

https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.18.13

Source: af854a3a-2127-422b-91ae-364da2661108

PatchRelease NotesThird Party Advisory

https://github.com/torvalds/linux/commit/b799207e1e1816b09e7a5920fbb2d5fcf6edd681

Source: af854a3a-2127-422b-91ae-364da2661108

PatchThird Party Advisory

https://support.f5.com/csp/article/K38456756

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party Advisory

https://usn.ubuntu.com/3832-1/

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party Advisory

https://usn.ubuntu.com/3835-1/

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party Advisory

https://usn.ubuntu.com/3847-1/

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party Advisory

https://usn.ubuntu.com/3847-2/

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party Advisory

https://usn.ubuntu.com/3847-3/

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party Advisory

Timeline

No history available yet.