Vulnerability in Linux Kernel
CVE-2017-5546
The freelist-randomization feature in mm/slab.c in the Linux kernel 4.8.x and 4.9.x before 4.9.5 allows local users to cause a denial of service (duplicate freelist entries and system crash) or possibly have unspecified other impact in opportunistic circumstances by leveraging the selection of a large value for a random number.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.004 (35.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 36th percentile — 35.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
Public proof-of-concept exploits
References
- github.com/torvalds/linux/commit/c4e490cf148e85ead0d1b1c2caaba833f1d5b29f (Patch, Third Party Advisory, Issue Tracking)
- www.openwall.com/lists/oss-security/2017/01/21/3 (mailing-list, Patch, Mailing List, Third Party Advisory)
- bugzilla.redhat.com/show_bug.cgi (Patch, Issue Tracking)
- git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/ (Patch, Third Party Advisory, Issue Tracking)
- www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.5 (Release Notes, Vendor Advisory)
- www.securityfocus.com/bid/95711 (VDB Entry, Third Party Advisory, vdb-entry)
Frequently asked questions
- What is CVE-2017-5546?
- CVE-2017-5546 is a high-severity vulnerability in Linux Kernel. CVSS score: 7.8/10. Published 2017-02-06.
- How severe is CVE-2017-5546?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2017-5546 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.