CVE-2011-1598: The bcm_release function in net/can/bcm.c in the Linux kernel before 2.6.39-rc6 does not properly validate...

Security readout for executives and security teams

This is an old Linux kernel flaw in CAN BCM socket cleanup. A local user could trigger a kernel crash through a malformed release operation, causing denial of service. The sources mention possible other impact but do not define it. Exposure is most likely on systems running Linux kernels older than 2.6.39-rc6 where the affected CAN BCM code is present and reachable by local users. The bundle does not identify specific distributions, packages, or supported product versions. Treat as a legacy local denial-of-service risk. It is not supported as internet-exploitable or actively exploited by the provided sources, but affected multi-user or exposed operational systems should be remediated through standard kernel maintenance. Mitigation focus: Upgrade to a kernel containing the bcm_release socket validation fix.; Check vendor kernel advisories for backported fixes in distribution kernels.; Prioritize systems exposing local shell or multi-user access..

Prepared

Jun 24, 2026, 13:28 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.