Information disclosure in Linux Kernel
CVE-2018-16862
A security flaw was found in the Linux kernel in a way that the cleancache subsystem clears an inode after the final file truncation (removal). The new file created with the same inode may contain leftover pages from cleancache and the old file data instead of the new one.
Vulnerability class: Information Disclosure
EPSS: 0.005 (41.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.0/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:L/A:N.
Affected products
- Linux Linux_kernel
- [Unknown] Kernel: — versions n/a
- Canonical Ubuntu_linux — versions 14.04, 16.04
- Debian Debian_linux — versions 8.0
- Redhat Enterprise_linux — versions 7.0
Weakness classification (CWE)
References
- secalert@redhat.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
- secalert@redhat.com (x_refsource_UBUNTU, vendor-advisory, Third Party Advisory)
- secalert@redhat.com (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
- secalert@redhat.com (x_refsource_UBUNTU, vendor-advisory, Third Party Advisory)
- secalert@redhat.com (x_refsource_CONFIRM, Patch, Issue Tracking, Vendor Advisory)
- secalert@redhat.com (x_refsource_CONFIRM, Third Party Advisory, Issue Tracking)
- secalert@redhat.com (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
- secalert@redhat.com (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
- secalert@redhat.com (mailing-list, x_refsource_MLIST)
- secalert@redhat.com (x_refsource_UBUNTU, vendor-advisory)
Frequently asked questions
- What is CVE-2018-16862?
- CVE-2018-16862 is a medium-severity vulnerability in Linux Kernel, classified under Information Disclosure. CVSS score: 5.3/10. Published 2018-11-26.
- How severe is CVE-2018-16862?
- Medium severity. CVSS v3 base score is 5.3 out of 10.