Use After Free in Broadcom Brocade Fabric Operating System Firmware
CVE-2020-8648
There is a use-after-free vulnerability in the Linux kernel through 5.5.2 in the n_tty_receive_buf_common function in drivers/tty/n_tty.c.
Vulnerability class: Use-After-Free
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H.
EPSS exploit prediction
EPSS: 0.007 (51.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 52nd percentile — 51.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000
Affected products
- Broadcom Brocade Fabric Operating System Firmware
- Linux Kernel
- NetApp Active Iq Unified Manager
- NetApp Cloud Backup
- NetApp Hci Baseboard Management Controller — versions h410c
- NetApp Solidfire Baseboard Management Controller
- Canonical Ubuntu Linux — versions 14.04, 16.04, 18.04
- Debian Linux — versions 8.0
- openSUSE Leap — versions 15.1
Weakness classification (CWE)
References
- bugzilla.kernel.org/show_bug.cgi (Exploit, Issue Tracking, Vendor Advisory)
- lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html (vendor-advisory, Mailing List, Third Party Advisory)
- usn.ubuntu.com/4344-1/ (vendor-advisory, Third Party Advisory)
- usn.ubuntu.com/4345-1/ (vendor-advisory, Third Party Advisory)
- usn.ubuntu.com/4342-1/ (vendor-advisory, Third Party Advisory)
- usn.ubuntu.com/4346-1/ (vendor-advisory, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2020/06/msg00011.html (mailing-list, 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, Mailing List, Third Party Advisory)
- www.debian.org/security/2020/dsa-4698 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-8648?
- CVE-2020-8648 is a high-severity vulnerability in Broadcom Brocade Fabric Operating System Firmware, classified under Use After Free. CVSS score: 7.1/10. Published 2020-02-06.
- How severe is CVE-2020-8648?
- High severity. CVSS v3 base score is 7.1 out of 10.