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    CVE-2010-4655

    net/core/ethtool.c in the Linux kernel before 2.6.36 does not initialize certain data structures, which allows local users to obtain potentially sensitive information from kernel heap memory by leveraging the CAP_NET_ADMIN capability for an ethtool ioctl call.

    Published:Oct 11, 2010
    Last Modified:Apr 11, 2025
    EPS:Jul 18, 2011
    EPSS Score:0.00053
    CVSS Score:5.5

    Affected Products

    Vendor
    Canonical
    Product
    Ubuntu Linux
    Vendor
    Linux
    Product
    Linux Kernel
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Enterprise Mrg
    Vendor
    Vmware
    Product
    Esx

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-665 Improper Initialization

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    CVE-2026-47336 (CVSS 3.3) — Ubuntu Linux 6.8 contains SAUCE patches with a possible use of an uninitialized variable in AppArmor AF_INET/A…
    CVE-2026-47335 (CVSS 5.5) — Ubuntu Linux 6.8 contains SAUCE patches with a possible NULL pointer dereference in the handling of AppArmor n…
    CVE-2026-47334 (CVSS 5.5) — Ubuntu Linux 6.8, 6.17 and 7.0 contain AppArmor SAUCE patches which incorrectly sleep while holding a spinlock…
    CVE-2026-47333 (CVSS 7.8) — Ubuntu Linux 6.8, 6.17 and 7.0 contain AppArmor SAUCE patches which can potentially incorrectly compute the si…
    CVE-2026-47332 (CVSS 5.5) — Ubuntu Linux 6.8, 6.17 and 7.0 contain AppArmor SAUCE patches which incorrectly validate the size of an intern…
    CVE-2026-47331 (CVSS 7.8) — Ubuntu Linux 6.8 contains AppArmor SAUCE patches which fail to acquire a lock when modifying a linked list. An…
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    References

    http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=b00916b189d13a615ff05c9242201135992fcda3
    http://openwall.com/lists/oss-security/2011/01/24/9
    http://openwall.com/lists/oss-security/2011/01/25/3
    http://openwall.com/lists/oss-security/2011/01/25/4
    http://openwall.com/lists/oss-security/2011/01/25/5
    http://openwall.com/lists/oss-security/2011/01/28/1
    http://secunia.com/advisories/46397
    http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.36
    http://www.securityfocus.com/archive/1/520102/100/0/threaded
    http://www.securityfocus.com/bid/45972
    http://www.ubuntu.com/usn/USN-1146-1
    http://www.vmware.com/security/advisories/VMSA-2011-0012.html
    https://bugzilla.redhat.com/show_bug.cgi?id=672428
    https://lkml.org/lkml/2010/10/7/297
    http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=b00916b189d13a615ff05c9242201135992fcda3
    http://openwall.com/lists/oss-security/2011/01/24/9
    http://openwall.com/lists/oss-security/2011/01/25/3
    http://openwall.com/lists/oss-security/2011/01/25/4
    http://openwall.com/lists/oss-security/2011/01/25/5
    http://openwall.com/lists/oss-security/2011/01/28/1
    http://secunia.com/advisories/46397
    http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.36
    http://www.securityfocus.com/archive/1/520102/100/0/threaded
    http://www.securityfocus.com/bid/45972
    http://www.ubuntu.com/usn/USN-1146-1
    http://www.vmware.com/security/advisories/VMSA-2011-0012.html
    https://bugzilla.redhat.com/show_bug.cgi?id=672428
    https://lkml.org/lkml/2010/10/7/297

    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