{
    "id": "CVE-2010-3301",
    "published": "2010-09-22 19:00:03",
    "last_modified": "2026-06-16 23:22:32",
    "cvss_score": "7.2",
    "cvss_severity": "HIGH",
    "cvss_version": "2.0",
    "cvss_vector": "AV:L/AC:L/Au:N/C:C/I:C/A:C",
    "cwe": "CWE-269",
    "description": "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.",
    "epss_score": "0.03818",
    "epss_percentile": "0.89777",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 1,
    "updated_at": "2026-10-07 18:17:08",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "A public exploit exists."
    },
    "products": [
        {
            "vendor": "canonical",
            "product": "ubuntu_linux"
        },
        {
            "vendor": "linux",
            "product": "linux_kernel"
        },
        {
            "vendor": "suse",
            "product": "linux_enterprise_real_time_extension"
        }
    ],
    "kev_detail": null,
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "15023",
            "title": "Linux Kernel < 2.6.36-rc4-git2 (x86-64) - 'ia32syscall' Emulation Privilege Escalation",
            "date": "2010-09-16",
            "url": "https://www.exploit-db.com/exploits/15023"
        }
    ],
    "refs_list": [
        "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"
    ]
}