{
    "id": "CVE-2012-0056",
    "published": "2012-01-27 15:55:04",
    "last_modified": "2026-06-16 23:36:35",
    "cvss_score": "6.9",
    "cvss_severity": "MEDIUM",
    "cvss_version": "2.0",
    "cvss_vector": "AV:L/AC:M/Au:N/C:C/I:C/A:C",
    "cwe": "CWE-264",
    "description": "The mem_write function in the Linux kernel before 3.2.2, when ASLR is disabled, does not properly check permissions when writing to /proc/<pid>/mem, which allows local users to gain privileges by modifying process memory, as demonstrated by Mempodipper.",
    "epss_score": "0.10753",
    "epss_percentile": "0.95688",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 1,
    "updated_at": "2026-09-28 18:17:10",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "A public exploit exists."
    },
    "products": [
        {
            "vendor": "linux",
            "product": "linux_kernel"
        }
    ],
    "kev_detail": null,
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "18411",
            "title": "Linux Kernel 2.6.39 < 3.2.2 (Gentoo / Ubuntu x86/x64) - 'Mempodipper' Local Privilege Escalation (1)",
            "date": "2012-01-23",
            "url": "https://www.exploit-db.com/exploits/18411"
        },
        {
            "source": "exploit-db",
            "ref_id": "35161",
            "title": "Linux Kernel 2.6.39 < 3.2.2 (x86/x64) - 'Mempodipper' Local Privilege Escalation (2)",
            "date": "2012-01-12",
            "url": "https://www.exploit-db.com/exploits/35161"
        }
    ],
    "refs_list": [
        "http://blog.zx2c4.com/749",
        "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commitdiff%3Bh=e268337dfe26dfc7efd422a804dbb27977a3cccc",
        "http://secunia.com/advisories/47708",
        "http://ubuntu.com/usn/usn-1336-1",
        "http://www.kb.cert.org/vuls/id/470151",
        "http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.2",
        "http://www.openwall.com/lists/oss-security/2012/01/18/1",
        "http://www.openwall.com/lists/oss-security/2012/01/18/2",
        "http://www.openwall.com/lists/oss-security/2012/01/19/4",
        "http://www.openwall.com/lists/oss-security/2012/01/22/4",
        "http://www.redhat.com/support/errata/RHSA-2012-0052.html",
        "http://www.redhat.com/support/errata/RHSA-2012-0061.html",
        "http://www.securityfocus.com/bid/51625",
        "https://bugzilla.redhat.com/show_bug.cgi?id=782642",
        "http://blog.zx2c4.com/749",
        "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commitdiff%3Bh=e268337dfe26dfc7efd422a804dbb27977a3cccc",
        "http://secunia.com/advisories/47708",
        "http://ubuntu.com/usn/usn-1336-1",
        "http://www.kb.cert.org/vuls/id/470151",
        "http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.2",
        "http://www.openwall.com/lists/oss-security/2012/01/18/1",
        "http://www.openwall.com/lists/oss-security/2012/01/18/2",
        "http://www.openwall.com/lists/oss-security/2012/01/19/4",
        "http://www.openwall.com/lists/oss-security/2012/01/22/4",
        "http://www.redhat.com/support/errata/RHSA-2012-0052.html"
    ]
}