Use After Free in Linux Kernel
CVE-2020-12464
usb_sg_cancel in drivers/usb/core/message.c in the Linux kernel before 5.6.8 has a use-after-free because a transfer occurs without a reference, aka CID-056ad39ee925.
Vulnerability class: Use-After-Free
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.7 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.008 (56.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 57th percentile — 56.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000
Affected products
- Linux Kernel
- NetApp Active Iq Unified Manager
- NetApp Aff A700s
- NetApp Cloud Backup
- NetApp Hci Baseboard Management Controller — versions h300s, h410c, h410s
- NetApp Hci Compute Node
- NetApp Hci Storage Nodes
- NetApp Solidfire Baseboard Management Controller
- NetApp Solidfire \& Hci Storage Node
- NetApp Steelstore Cloud Integrated Storage
Weakness classification (CWE)
Public proof-of-concept exploits
References
- patchwork.kernel.org/patch/11463781/ (Patch, Vendor Advisory)
- lkml.org/lkml/2020/3/23/52 (Exploit, Vendor Advisory)
- github.com/torvalds/linux/commit/056ad39ee9253873522f6469c3364964a322912b (Patch, Third Party Advisory)
- git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/ (Patch, Vendor Advisory)
- cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.6.8 (Release Notes, Vendor Advisory)
- security.netapp.com/advisory/ntap-20200608-0001/ (Third Party Advisory)
- lists.debian.org/debian-lts-announce/2020/06/msg00011.html (mailing-list, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2020/06/msg00012.html (mailing-list, Mailing List, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2020/06/msg00013.html (mailing-list, Third Party Advisory)
- www.debian.org/security/2020/dsa-4698 (vendor-advisory, VDB Entry, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-12464?
- CVE-2020-12464 is a medium-severity vulnerability in Linux Kernel, classified under Use After Free. CVSS score: 6.7/10. Published 2020-04-29.
- How severe is CVE-2020-12464?
- Medium severity. CVSS v3 base score is 6.7 out of 10.
- Is CVE-2020-12464 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.