Vulnerability Details : CVE-2017-18208
The madvise_willneed function in mm/madvise.c in the Linux kernel before 4.14.4 allows local users to cause a denial of service (infinite loop) by triggering use of MADVISE_WILLNEED for a DAX mapping.
Vulnerability category: Denial of service
Products affected by CVE-2017-18208
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2017-18208
0.04%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 8 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2017-18208
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.9
|
MEDIUM | AV:L/AC:L/Au:N/C:N/I:N/A:C |
3.9
|
6.9
|
NIST | |
|
5.5
|
MEDIUM | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
1.8
|
3.6
|
NIST |
CWE ids for CVE-2017-18208
-
The product contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop.Assigned by: nvd@nist.gov (Primary)
References for CVE-2017-18208
-
https://access.redhat.com/errata/RHSA-2019:4057
RHSA-2019:4057 - Security Advisory - Red Hat Customer Portal
-
https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.4
Vendor Advisory
-
https://access.redhat.com/errata/RHSA-2018:3096
RHSA-2018:3096 - Security Advisory - Red Hat Customer Portal
-
https://usn.ubuntu.com/3653-2/
USN-3653-2: Linux kernel (HWE) vulnerabilities | Ubuntu security notices
-
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=6ea8d958a2c95a1d514015d4e29ba21a8c0a1a91
kernel/git/torvalds/linux.git - Linux kernel source treeVendor Advisory
-
https://access.redhat.com/errata/RHSA-2018:2948
RHSA-2018:2948 - Security Advisory - Red Hat Customer Portal
-
https://access.redhat.com/errata/RHSA-2018:3083
RHSA-2018:3083 - Security Advisory - Red Hat Customer Portal
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https://usn.ubuntu.com/3657-1/
USN-3657-1: Linux kernel (Raspberry Pi 2) vulnerabilities | Ubuntu security notices
-
https://usn.ubuntu.com/3653-1/
USN-3653-1: Linux kernel vulnerabilities | Ubuntu security notices
-
https://access.redhat.com/errata/RHSA-2019:3967
RHSA-2019:3967 - Security Advisory - Red Hat Customer Portal
-
https://github.com/torvalds/linux/commit/6ea8d958a2c95a1d514015d4e29ba21a8c0a1a91
mm/madvise.c: fix madvise() infinite loop under special circumstances · torvalds/linux@6ea8d95 · GitHubThird Party Advisory
-
https://usn.ubuntu.com/3619-1/
USN-3619-1: Linux kernel vulnerabilities | Ubuntu security notices
-
https://usn.ubuntu.com/3655-2/
USN-3655-2: Linux kernel (Trusty HWE) vulnerabilities | Ubuntu security notices
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https://usn.ubuntu.com/3619-2/
USN-3619-2: Linux kernel (Xenial HWE) vulnerabilities | Ubuntu security notices
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https://usn.ubuntu.com/3655-1/
USN-3655-1: Linux kernel vulnerabilities | Ubuntu security notices
-
https://access.redhat.com/errata/RHSA-2019:4058
RHSA-2019:4058 - Security Advisory - Red Hat Customer Portal
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