CVE-2021-33909
Vulnerability from cvelistv5
Published
2021-07-20 18:01
Modified
2024-08-04 00:05
Severity ?
Summary
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.
References
cve@mitre.orghttp://packetstormsecurity.com/files/163621/Sequoia-A-Deep-Root-In-Linuxs-Filesystem-Layer.htmlExploit, Third Party Advisory, VDB Entry
cve@mitre.orghttp://packetstormsecurity.com/files/163671/Kernel-Live-Patch-Security-Notice-LSN-0079-1.htmlThird Party Advisory, VDB Entry
cve@mitre.orghttp://packetstormsecurity.com/files/164155/Kernel-Live-Patch-Security-Notice-LSN-0081-1.htmlThird Party Advisory, VDB Entry
cve@mitre.orghttp://packetstormsecurity.com/files/165477/Kernel-Live-Patch-Security-Notice-LSN-0083-1.htmlThird Party Advisory, VDB Entry
cve@mitre.orghttp://www.openwall.com/lists/oss-security/2021/07/22/7Mailing List, Third Party Advisory
cve@mitre.orghttp://www.openwall.com/lists/oss-security/2021/08/25/10Mailing List, Third Party Advisory
cve@mitre.orghttp://www.openwall.com/lists/oss-security/2021/09/17/2Mailing List, Third Party Advisory
cve@mitre.orghttp://www.openwall.com/lists/oss-security/2021/09/17/4Mailing List, Third Party Advisory
cve@mitre.orghttp://www.openwall.com/lists/oss-security/2021/09/21/1Mailing List, Third Party Advisory
cve@mitre.orghttps://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13.4Mailing List, Patch, Vendor Advisory
cve@mitre.orghttps://github.com/torvalds/linux/commit/8cae8cd89f05f6de223d63e6d15e31c8ba9cf53bPatch, Third Party Advisory
cve@mitre.orghttps://lists.debian.org/debian-lts-announce/2021/07/msg00014.htmlMailing List, Third Party Advisory
cve@mitre.orghttps://lists.debian.org/debian-lts-announce/2021/07/msg00015.htmlMailing List, Third Party Advisory
cve@mitre.orghttps://lists.debian.org/debian-lts-announce/2021/07/msg00016.htmlMailing List, Third Party Advisory
cve@mitre.orghttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Z4UHHIGISO3FVRF4CQNJS4IKA25ATSFU/
cve@mitre.orghttps://psirt.global.sonicwall.com/vuln-detail/SNWLID-2022-0015Third Party Advisory
cve@mitre.orghttps://security.netapp.com/advisory/ntap-20210819-0004/Third Party Advisory
cve@mitre.orghttps://www.debian.org/security/2021/dsa-4941Third Party Advisory
cve@mitre.orghttps://www.openwall.com/lists/oss-security/2021/07/20/1Exploit, Mailing List, Third Party Advisory
cve@mitre.orghttps://www.oracle.com/security-alerts/cpujan2022.htmlPatch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://packetstormsecurity.com/files/163621/Sequoia-A-Deep-Root-In-Linuxs-Filesystem-Layer.htmlExploit, Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108http://packetstormsecurity.com/files/163671/Kernel-Live-Patch-Security-Notice-LSN-0079-1.htmlThird Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108http://packetstormsecurity.com/files/164155/Kernel-Live-Patch-Security-Notice-LSN-0081-1.htmlThird Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108http://packetstormsecurity.com/files/165477/Kernel-Live-Patch-Security-Notice-LSN-0083-1.htmlThird Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2021/07/22/7Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2021/08/25/10Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2021/09/17/2Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2021/09/17/4Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2021/09/21/1Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13.4Mailing List, Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/torvalds/linux/commit/8cae8cd89f05f6de223d63e6d15e31c8ba9cf53bPatch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2021/07/msg00014.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2021/07/msg00015.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2021/07/msg00016.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Z4UHHIGISO3FVRF4CQNJS4IKA25ATSFU/
af854a3a-2127-422b-91ae-364da2661108https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2022-0015Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://security.netapp.com/advisory/ntap-20210819-0004/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.debian.org/security/2021/dsa-4941Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.openwall.com/lists/oss-security/2021/07/20/1Exploit, Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.oracle.com/security-alerts/cpujan2022.htmlPatch, Third Party Advisory
Impacted products
Vendor Product Version
Show details on NVD website

To clipboard 

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              "name": "http://packetstormsecurity.com/files/163671/Kernel-Live-Patch-Security-Notice-LSN-0079-1.html",
              "refsource": "MISC",
              "url": "http://packetstormsecurity.com/files/163671/Kernel-Live-Patch-Security-Notice-LSN-0079-1.html"
            },
            {
              "name": "https://security.netapp.com/advisory/ntap-20210819-0004/",
              "refsource": "CONFIRM",
              "url": "https://security.netapp.com/advisory/ntap-20210819-0004/"
            },
            {
              "name": "http://packetstormsecurity.com/files/164155/Kernel-Live-Patch-Security-Notice-LSN-0081-1.html",
              "refsource": "MISC",
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              "refsource": "MISC",
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            },
            {
              "name": "https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2022-0015",
              "refsource": "CONFIRM",
              "url": "https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2022-0015"
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  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2021-33909",
    "datePublished": "2021-07-20T18:01:34",
    "dateReserved": "2021-06-07T00:00:00",
    "dateUpdated": "2024-08-04T00:05:52.143Z",
    "state": "PUBLISHED"
  },
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  }
}


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