Linux Kernel Multiple Vulnerabilities

    Date22 Oct 2004
    4763
    Posted ByAnthony Pell
    Multiple vulnerabilities have been reported in the Linux kernel, which can be exploited to disclose kernel data, cause a DoS (Denial of Service), or bypass certain security restrictions. . . . Multiple vulnerabilities have been reported in the Linux kernel, which can be exploited to disclose kernel data, cause a DoS (Denial of Service), or bypass certain security restrictions.

    1) A race condition in the terminal subsystem can reportedly be exploited by malicious, local users to cause crashes or disclose small random amounts of kernel data by issuing a certain ioctl call on a terminal interface while another thread is performing a read or write operation.

    2) Another race condition in the terminal subsystem can potentially be exploited by malicious people to cause a crash by connecting to a PPP dial-up port, issue a switch from console to PPP, and then time the arrival of sent data with the line discipline switch.

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