Use After Free in Linux Kernel
CVE-2018-11412
In the Linux kernel 4.13 through 4.16.11, ext4_read_inline_data() in fs/ext4/inline.c performs a memcpy with an untrusted length value in certain circumstances involving a crafted filesystem that stores the system.data extended attribute value in a dedicated inode.
Vulnerability class: Use-After-Free
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.158 (96.8th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 97th percentile — 96.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.162 · newest: 0.158 · change: -0.003
Affected products
- Linux Kernel
- Canonical Ubuntu Linux — versions 16.04, 18.04
Weakness classification (CWE)
Public proof-of-concept exploits
References
- usn.ubuntu.com/3752-2/ (vendor-advisory, Third Party Advisory)
- www.securityfocus.com/bid/104291 (VDB Entry, Third Party Advisory, vdb-entry)
- bugs.chromium.org/p/project-zero/issues/detail (Exploit, Third Party Advisory)
- usn.ubuntu.com/3752-3/ (vendor-advisory, Third Party Advisory)
- bugzilla.kernel.org/show_bug.cgi (Exploit, Third Party Advisory, Issue Tracking)
- www.exploit-db.com/exploits/44832/ (Exploit, VDB Entry, Third Party Advisory, exploit)
- access.redhat.com/errata/RHSA-2019:0525 (vendor-advisory, Third Party Advisory)
- usn.ubuntu.com/3752-1/ (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2018-11412?
- CVE-2018-11412 is a medium-severity vulnerability in Linux Kernel, classified under Use After Free. CVSS score: 5.9/10. Published 2018-05-24.
- How severe is CVE-2018-11412?
- Medium severity. CVSS v3 base score is 5.9 out of 10.
- Is CVE-2018-11412 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.