cvelist/2021/33xxx/CVE-2021-33909.json

{
    "CVE_data_meta": {
        "ASSIGNER": "cve@mitre.org",
        "ID": "CVE-2021-33909",
        "STATE": "PUBLIC"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "n/a",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "n/a"
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                            }
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                    "vendor_name": "n/a"
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    "data_format": "MITRE",
    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "fs/seq_file.c in the Linux kernel 3.16 through 5.13.x before 5.13.4 does not properly restrict seq buffer allocations, leading to an integer overflow, an Out-of-bounds Write, and escalation to root by an unprivileged user, aka CID-8cae8cd89f05."
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "n/a"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "refsource": "MLIST",
                "name": "[debian-lts-announce] 20210720 [SECURITY] [DLA 2713-2] linux security update",
                "url": "https://lists.debian.org/debian-lts-announce/2021/07/msg00016.html"
            },
            {
                "refsource": "MLIST",
                "name": "[debian-lts-announce] 20210720 [SECURITY] [DLA 2713-1] linux security update",
                "url": "https://lists.debian.org/debian-lts-announce/2021/07/msg00014.html"
            },
            {
                "refsource": "MLIST",
                "name": "[debian-lts-announce] 20210720 [SECURITY] [DLA 2714-1] linux-4.19 security update",
                "url": "https://lists.debian.org/debian-lts-announce/2021/07/msg00015.html"
            },
            {
                "refsource": "DEBIAN",
                "name": "DSA-4941",
                "url": "https://www.debian.org/security/2021/dsa-4941"
            },
            {
                "refsource": "FEDORA",
                "name": "FEDORA-2021-07dc0b3eb1",
                "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/Z4UHHIGISO3FVRF4CQNJS4IKA25ATSFU/"
            },
            {
                "refsource": "MLIST",
                "name": "[oss-security] 20210722 Re: CVE-2021-33909: size_t-to-int vulnerability in Linux's filesystem layer",
                "url": "http://www.openwall.com/lists/oss-security/2021/07/22/7"
            },
            {
                "refsource": "MLIST",
                "name": "[oss-security] 20210825 Re: CVE-2021-33909: size_t-to-int vulnerability in Linux's filesystem layer",
                "url": "http://www.openwall.com/lists/oss-security/2021/08/25/10"
            },
            {
                "refsource": "MLIST",
                "name": "[oss-security] 20210916 Containers-optimized OS (COS) membership in the linux-distros list",
                "url": "http://www.openwall.com/lists/oss-security/2021/09/17/2"
            },
            {
                "refsource": "MLIST",
                "name": "[oss-security] 20210917 Re: Containers-optimized OS (COS) membership in the linux-distros list",
                "url": "http://www.openwall.com/lists/oss-security/2021/09/17/4"
            },
            {
                "refsource": "MLIST",
                "name": "[oss-security] 20210920 Re: Containers-optimized OS (COS) membership in the linux-distros list",
                "url": "http://www.openwall.com/lists/oss-security/2021/09/21/1"
            },
            {
                "url": "https://www.oracle.com/security-alerts/cpujan2022.html",
                "refsource": "MISC",
                "name": "https://www.oracle.com/security-alerts/cpujan2022.html"
            },
            {
                "refsource": "MISC",
                "name": "https://www.openwall.com/lists/oss-security/2021/07/20/1",
                "url": "https://www.openwall.com/lists/oss-security/2021/07/20/1"
            },
            {
                "refsource": "CONFIRM",
                "name": "https://github.com/torvalds/linux/commit/8cae8cd89f05f6de223d63e6d15e31c8ba9cf53b",
                "url": "https://github.com/torvalds/linux/commit/8cae8cd89f05f6de223d63e6d15e31c8ba9cf53b"
            },
            {
                "refsource": "CONFIRM",
                "name": "https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13.4",
                "url": "https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13.4"
            },
            {
                "refsource": "MISC",
                "name": "http://packetstormsecurity.com/files/163621/Sequoia-A-Deep-Root-In-Linuxs-Filesystem-Layer.html",
                "url": "http://packetstormsecurity.com/files/163621/Sequoia-A-Deep-Root-In-Linuxs-Filesystem-Layer.html"
            },
            {
                "refsource": "MISC",
                "name": "http://packetstormsecurity.com/files/163671/Kernel-Live-Patch-Security-Notice-LSN-0079-1.html",
                "url": "http://packetstormsecurity.com/files/163671/Kernel-Live-Patch-Security-Notice-LSN-0079-1.html"
            },
            {
                "refsource": "CONFIRM",
                "name": "https://security.netapp.com/advisory/ntap-20210819-0004/",
                "url": "https://security.netapp.com/advisory/ntap-20210819-0004/"
            },
            {
                "refsource": "MISC",
                "name": "http://packetstormsecurity.com/files/164155/Kernel-Live-Patch-Security-Notice-LSN-0081-1.html",
                "url": "http://packetstormsecurity.com/files/164155/Kernel-Live-Patch-Security-Notice-LSN-0081-1.html"
            },
            {
                "refsource": "MISC",
                "name": "http://packetstormsecurity.com/files/165477/Kernel-Live-Patch-Security-Notice-LSN-0083-1.html",
                "url": "http://packetstormsecurity.com/files/165477/Kernel-Live-Patch-Security-Notice-LSN-0083-1.html"
            }
        ]
    }
}