Vulnerability in Broadcom Brocade_fabric_operating_system
CVE-2021-23133
A race condition in Linux kernel SCTP sockets (net/sctp/socket.c) before 5.12-rc8 can lead to kernel privilege escalation from the context of a network service or an unprivileged process. If sctp_destroy_sock is called without sock_net(sk)…
Vulnerability class: Race Condition
EPSS: 0.005 (38.5th percentile) — read the EPSS interpretation.
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.
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- psirt@paloaltonetworks.com (Exploit, Patch, Mailing List, Third Party Advisory, x_refsource_MISC)
- psirt@paloaltonetworks.com (Patch, Mailing List, x_refsource_MISC, Vendor Advisory)
- psirt@paloaltonetworks.com (x_refsource_FEDORA, vendor-advisory)
- psirt@paloaltonetworks.com (x_refsource_FEDORA, vendor-advisory)
- psirt@paloaltonetworks.com (x_refsource_FEDORA, vendor-advisory)
- psirt@paloaltonetworks.com (mailing-list, x_refsource_MLIST, Patch, Mailing List, Third Party Advisory)
- psirt@paloaltonetworks.com (mailing-list, x_refsource_MLIST, Patch, Mailing List, Third Party Advisory)
- psirt@paloaltonetworks.com (mailing-list, x_refsource_MLIST, Patch, Mailing List, Third Party Advisory)
- psirt@paloaltonetworks.com (mailing-list, x_refsource_MLIST, Patch, Mailing List, Third Party Advisory)
- psirt@paloaltonetworks.com (x_refsource_CONFIRM, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-23133?
- CVE-2021-23133 is a medium-severity vulnerability in Broadcom Brocade_fabric_operating_system, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 6.7/10. Published 2021-04-22.
- How severe is CVE-2021-23133?
- Medium severity. CVSS v3 base score is 6.7 out of 10.
- Is CVE-2021-23133 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.