Use After Free in Linux Kernel
CVE-2018-25015
An issue was discovered in the Linux kernel before 4.14.16. There is a use-after-free in net/sctp/socket.c for a held lock after a peel off, aka CID-a0ff660058b8.
Vulnerability class: Use-After-Free
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: 0.006 (45.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 45th percentile — 45.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- syzkaller.appspot.com/bug (Exploit, Mailing List, Third Party Advisory)
- sites.google.com/view/syzscope/warning-held-lock-freed (Exploit, Third Party Advisory)
- git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/ (Patch, Mailing List, Vendor Advisory)
- cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.16 (Mailing List, Release Notes, Vendor Advisory)
- security.netapp.com/advisory/ntap-20210720-0002/ (Third Party Advisory)
Frequently asked questions
- What is CVE-2018-25015?
- CVE-2018-25015 is a high-severity vulnerability in Linux Kernel, classified under Use After Free. CVSS score: 7.8/10. Published 2021-06-07.
- How severe is CVE-2018-25015?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2018-25015 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.