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"vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-787"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2011:0162", "cpe": "cpe:/o:redhat:enterprise_linux:4", "package": "kernel-0:2.6.9-89.35.1.EL", "product_name": "Red Hat Enterprise Linux 4", "release_date": "2011-01-18T00:00:00Z"}, {"advisory": "RHSA-2011:0004", "cpe": "cpe:/o:redhat:enterprise_linux:5", "package": "kernel-0:2.6.18-194.32.1.el5", "product_name": "Red Hat Enterprise Linux 5", "release_date": "2011-01-04T00:00:00Z"}], "bugzilla": {"description": "kernel: tipc: heap overflow in tipc_msg_build()", "id": "645867", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=645867"}, "csaw": false, "cvss": {"cvss_base_score": "6.9", "cvss_scoring_vector": "AV:L/AC:M/Au:N/C:C/I:C/A:C", "status": "verified"}, "details": ["Multiple integer signedness errors in the TIPC implementation in the Linux kernel before 2.6.36.2 allow local users to gain privileges via a crafted sendmsg call that triggers a heap-based buffer overflow, related to the tipc_msg_build function in net/tipc/msg.c and the verify_iovec function in net/core/iovec.c."], "mitigation": {"lang": "en:us", "value": "For users that do not run applications that use TIPC, you can prevent the TIPC\nmodule from being loaded by adding the following entry to the end of the\n/etc/modprobe.d/blacklist file:\nblacklist tipc\nThis way, the TIPC module cannot be loaded accidentally, which may occur if an\napplication that requires TIPC is started. A reboot is not necessary for this\nchange to take effect but do make sure the module is not loaded in the first\nplace. You can verify that by running:\nlsmod | grep tipc\nYou may also consider removing the CAP_SYS_MODULE capability from the current\nglobal capability set to prevent kernel modules from being loaded or unloaded.\nThe CAP_SYS_MODULE has a capability number of 16 (see linux/capability.h). The\ndefault value has all the bits set. To remove this capability, you have to\nclear the 16th bit of the default 32-bit value, e.g. 0xffffff ^ (1 << 16):\necho 0xFFFEFFFF > /proc/sys/kernel/cap-bound"}, "name": "CVE-2010-3859", "public_date": "2010-10-22T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2010-3859\nhttps://nvd.nist.gov/vuln/detail/CVE-2010-3859"], "statement": "Red Hat is aware of this issue and is tracking it via the following bug: https://bugzilla.redhat.com/CVE-2010-3859.\nThis issue did not affect the version of Linux kernel as shipped with Red Hat Enterprise Linux 3, 4, 6 and Red Hat Enterprise MRG as they did not include support for Transparent Inter-Process Communication Protocol (TIPC). A future kernel update in Red Hat Enterprise Linux 5 may address this flaw. As a\npreventive measure, we plan to include the fixes in a future kernel update in Red Hat Enterprise Linux 4.", "threat_severity": "Important"}