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    CVE-2007-4311

    The xfer_secondary_pool function in drivers/char/random.c in the Linux kernel 2.4 before 2.4.35 performs reseed operations on only the first few bytes of a buffer, which might make it easier for attackers to predict the output of the random number generator, related to incorrect use of the sizeof operator.

    Published:Aug 13, 2007
    Last Modified:Apr 23, 2026
    EPS:Aug 13, 2007
    EPSS Score:0.00674
    CVSS Score:6.8

    Affected Products

    Vendor
    Linux
    Product
    Linux Kernel

    Exploits

    No exploit reference

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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    References

    http://git.kernel.org/?p=linux/kernel/git/stable/linux-2.4.34.y.git%3Ba=commit%3Bh=bd67d4c7b11cc33ebdc346bc8926d255b354cd64
    http://git.kernel.org/?p=linux/kernel/git/stable/linux-2.4.34.y.git%3Ba=commit%3Bh=faa3369ac2ea7feb0dd266b6a5e8d6ab153cf925
    http://secunia.com/advisories/29058
    http://www.debian.org/security/2008/dsa-1503
    http://www.kernel.org/pub/linux/kernel/v2.4/ChangeLog-2.4.34.6
    http://www.kernel.org/pub/linux/kernel/v2.4/ChangeLog-2.4.35
    http://www.securityfocus.com/bid/25029
    http://www.vupen.com/english/advisories/2007/2690
    http://git.kernel.org/?p=linux/kernel/git/stable/linux-2.4.34.y.git%3Ba=commit%3Bh=bd67d4c7b11cc33ebdc346bc8926d255b354cd64
    http://git.kernel.org/?p=linux/kernel/git/stable/linux-2.4.34.y.git%3Ba=commit%3Bh=faa3369ac2ea7feb0dd266b6a5e8d6ab153cf925
    http://secunia.com/advisories/29058
    http://www.debian.org/security/2008/dsa-1503
    http://www.kernel.org/pub/linux/kernel/v2.4/ChangeLog-2.4.34.6
    http://www.kernel.org/pub/linux/kernel/v2.4/ChangeLog-2.4.35
    http://www.securityfocus.com/bid/25029
    http://www.vupen.com/english/advisories/2007/2690

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High