Vulnerability in Freebsd
CVE-2009-3527
Race condition in the Pipe (IPC) close function in FreeBSD 6.3 and 6.4 allows local users to cause a denial of service (crash) or gain privileges via vectors related to kqueues, which triggers a use after free, leading to a NULL pointer dereference or memory corruption.
Vulnerability class: Race Condition
EPSS: 0.006 (43.0th percentile) — read the EPSS interpretation.
Affected products
- Freebsd — versions 6.3, 6.4
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Patch, vdb-entry, x_refsource_SECTRACK)
- cve@mitre.org (x_refsource_FREEBSD, vendor-advisory, Patch)
- cve@mitre.org (x_refsource_OSVDB, vdb-entry)
- cve@mitre.org (mailing-list, Exploit, x_refsource_BUGTRAQ)
- cve@mitre.org (Patch, vdb-entry, x_refsource_BID)
Frequently asked questions
- What is CVE-2009-3527?
- CVE-2009-3527 is a vulnerability in Freebsd, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). Published 2009-10-06.
- Is CVE-2009-3527 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.