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seebug.org
seebug.org
added 2011/12/24 12:0 a.m.47 views

Linux kernel 2.6.x KVM 'create_pit_timer()'函数本地拒绝服务漏洞

Bugtraq ID: 51172 CVE ID:CVE-2011-4622 Linux是一款开放源代码的操作系统。 用户空间可创建PIT但忘记了设置irqchips,在这种情况下本地攻击者可以通过PIT IRQs使主机崩溃: codeBUG: unable to handle kernel NULL pointer dereference at 0000000000000128 IP: ffffffffa10f6280 kvmsetirq+0x30/0x170 kvm ... Call Trace: ffffffffa11228c1 pitdowork+0x51/0xd0 kvm...

4.9CVSS0.5AI score0.00363EPSS
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