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    CVE-2010-3301

    The IA32 system call emulation functionality in arch/x86/ia32/ia32entry.S in the Linux kernel before 2.6.36-rc4-git2 on the x86_64 platform does not zero extend the %eax register after the 32-bit entry path to ptrace is used, which allows local users to gain privileges by triggering an out-of-bounds access to the system call table using the %rax register. NOTE: this vulnerability exists because of a CVE-2007-4573 regression.

    Published:Sep 15, 2010
    Last Modified:Apr 11, 2025
    EPS:Sep 22, 2010
    EPSS Score:0.05507
    CVSS Score:7.2

    Affected Products

    Vendor
    Canonical
    Product
    Ubuntu Linux
    Vendor
    Linux
    Product
    Linux Kernel
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Suse
    Product
    Linux Enterprise Real Time Extension

    Exploits

    https://bugzilla.redhat.com/show_bug.cgi?id=634449https://bugzilla.redhat.com/show_bug.cgi?id=634449https://www.exploit-db.com/exploits/15023

    Related CVEs

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    CVE-2026-13367 (CVSS 7.8) — IBM Informix Dynamic Server 14.10, and 15.0 contain a local privilege escalation vulnerability in the oninit s…
    CVE-2026-47337 (CVSS 3.3) — Ubuntu Linux 6.8, 6.17 and 7.0 contain SAUCE patches with a possible NULL pointer dereference in the handling …
    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…
    CVE-2026-47330 (CVSS 3.3) — Ubuntu Linux 6.8, 7.17 and 7.0 contain AppArmor SAUCE patches which can, under certain circumstances, use an u…

    References

    http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=36d001c70d8a0144ac1d038f6876c484849a74de
    http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=eefdca043e8391dcd719711716492063030b55ac
    http://lists.opensuse.org/opensuse-security-announce/2010-09/msg00006.html
    http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00000.html
    http://secunia.com/advisories/42758
    http://sota.gen.nz/compat2/
    http://www.kernel.org/pub/linux/kernel/v2.6/snapshots/patch-2.6.36-rc4-git2.log
    http://www.mandriva.com/security/advisories?name=MDVSA-2010:198
    http://www.mandriva.com/security/advisories?name=MDVSA-2010:247
    http://www.openwall.com/lists/oss-security/2010/09/16/1
    http://www.openwall.com/lists/oss-security/2010/09/16/3
    http://www.redhat.com/support/errata/RHSA-2010-0842.html
    http://www.ubuntu.com/usn/USN-1041-1
    http://www.vupen.com/english/advisories/2010/3117
    http://www.vupen.com/english/advisories/2011/0070
    http://www.vupen.com/english/advisories/2011/0298
    https://bugzilla.redhat.com/show_bug.cgi?id=634449
    http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=36d001c70d8a0144ac1d038f6876c484849a74de
    http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=eefdca043e8391dcd719711716492063030b55ac
    http://lists.opensuse.org/opensuse-security-announce/2010-09/msg00006.html
    http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00000.html
    http://secunia.com/advisories/42758
    http://sota.gen.nz/compat2/
    http://www.kernel.org/pub/linux/kernel/v2.6/snapshots/patch-2.6.36-rc4-git2.log
    http://www.mandriva.com/security/advisories?name=MDVSA-2010:198
    http://www.mandriva.com/security/advisories?name=MDVSA-2010:247
    http://www.openwall.com/lists/oss-security/2010/09/16/1
    http://www.openwall.com/lists/oss-security/2010/09/16/3
    http://www.redhat.com/support/errata/RHSA-2010-0842.html
    http://www.ubuntu.com/usn/USN-1041-1
    http://www.vupen.com/english/advisories/2010/3117
    http://www.vupen.com/english/advisories/2011/0070
    http://www.vupen.com/english/advisories/2011/0298
    https://bugzilla.redhat.com/show_bug.cgi?id=634449

    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