Vulnerability Details : CVE-2018-18445
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.
Exploit prediction scoring system (EPSS) score for CVE-2018-18445
Probability of exploitation activity in the next 30 days: 0.05%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 14 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2018-18445
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|
|
7.2
|
HIGH | AV:L/AC:L/Au:N/C:C/I:C/A:C |
3.9
|
10.0
|
[email protected] |
|
7.8
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
[email protected] |
CWE ids for CVE-2018-18445
-
The product reads data past the end, or before the beginning, of the intended buffer.Assigned by: [email protected] (Primary)
References for CVE-2018-18445
-
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b799207e1e1816b09e7a5920fbb2d5fcf6edd681
Patch;Third Party Advisory
-
https://usn.ubuntu.com/3835-1/
Third Party Advisory
-
https://access.redhat.com/errata/RHSA-2019:0512
Third Party Advisory
-
https://usn.ubuntu.com/3847-2/
Third Party Advisory
-
https://usn.ubuntu.com/3847-3/
Third Party Advisory
-
https://bugs.chromium.org/p/project-zero/issues/detail?id=1686
Issue Tracking;Patch;Third Party Advisory
-
https://access.redhat.com/errata/RHSA-2019:0514
Third Party Advisory
-
https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.75
Release Notes;Patch;Third Party Advisory
-
https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.18.13
Release Notes;Patch;Third Party Advisory
-
https://usn.ubuntu.com/3847-1/
Third Party Advisory
-
https://usn.ubuntu.com/3832-1/
Third Party Advisory
-
https://github.com/torvalds/linux/commit/b799207e1e1816b09e7a5920fbb2d5fcf6edd681
Patch;Third Party Advisory
-
https://support.f5.com/csp/article/K38456756
Third Party Advisory
Products affected by CVE-2018-18445
- cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server:7.6:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server_eus:7.6:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*