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usn-5115-1
Vulnerability from osv_ubuntu
Published
2021-10-20 18:39
Modified
2026-09-14 08:02
Summary
linux-oem-5.10 vulnerabilities
Details

It was discovered that a race condition existed in the Atheros Ath9k WiFi driver in the Linux kernel. An attacker could possibly use this to expose sensitive information (WiFi network traffic). (CVE-2020-3702)

Ofek Kirzner, Adam Morrison, Benedict Schlueter, and Piotr Krysiuk discovered that the BPF verifier in the Linux kernel missed possible mispredicted branches due to type confusion, allowing a side-channel attack. An attacker could use this to expose sensitive information. (CVE-2021-33624)

Benedict Schlueter discovered that the BPF subsystem in the Linux kernel did not properly protect against Speculative Store Bypass (SSB) side- channel attacks in some situations. A local attacker could possibly use this to expose sensitive information. (CVE-2021-34556)

Piotr Krysiuk discovered that the BPF subsystem in the Linux kernel did not properly protect against Speculative Store Bypass (SSB) side-channel attacks in some situations. A local attacker could possibly use this to expose sensitive information. (CVE-2021-35477)

It was discovered that the tracing subsystem in the Linux kernel did not properly keep track of per-cpu ring buffer state. A privileged attacker could use this to cause a denial of service. (CVE-2021-3679)

It was discovered that the Option USB High Speed Mobile device driver in the Linux kernel did not properly handle error conditions. A physically proximate attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2021-37159)

Alois Wohlschlager discovered that the overlay file system in the Linux kernel did not restrict private clones in some situations. An attacker could use this to expose sensitive information. (CVE-2021-3732)

It was discovered that the btrfs file system in the Linux kernel did not properly handle removing a non-existent device id. An attacker with CAP_SYS_ADMIN could use this to cause a denial of service. (CVE-2021-3739)

It was discovered that the Qualcomm IPC Router protocol implementation in the Linux kernel did not properly validate metadata in some situations. A local attacker could use this to cause a denial of service (system crash) or expose sensitive information. (CVE-2021-3743)

It was discovered that the virtual terminal (vt) device implementation in the Linux kernel contained a race condition in its ioctl handling that led to an out-of-bounds read vulnerability. A local attacker could possibly use this to expose sensitive information. (CVE-2021-3753)

It was discovered that the Linux kernel did not properly account for the memory usage of certain IPC objects. A local attacker could use this to cause a denial of service (memory exhaustion). (CVE-2021-3759)

It was discovered that the BPF subsystem in the Linux kernel contained an integer overflow in its hash table implementation. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2021-38166)

It was discovered that the MAX-3421 host USB device driver in the Linux kernel did not properly handle device removal events. A physically proximate attacker could use this to cause a denial of service (system crash). (CVE-2021-38204)

It was discovered that the Xilinx 10/100 Ethernet Lite device driver in the Linux kernel could report pointer addresses in some situations. An attacker could use this information to ease the exploitation of another vulnerability. (CVE-2021-38205)

It was discovered that the ext4 file system in the Linux kernel contained a race condition when writing xattrs to an inode. A local attacker could use this to cause a denial of service or possibly gain administrative privileges. (CVE-2021-40490)

It was discovered that the 6pack network protocol driver in the Linux kernel did not properly perform validation checks. A privileged attacker could use this to cause a denial of service (system crash) or execute arbitrary code. (CVE-2021-42008)

References
To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2020-3702",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2021-3679",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "low",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2021-3732",
              "severity": [
                {
                  "score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N",
                  "type": "CVSS_V4"
                },
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2021-3739",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "low",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2021-3743",
              "severity": [
                {
                  "score": "CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N",
                  "type": "CVSS_V4"
                },
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2021-3753",
              "severity": [
                {
                  "score": "CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
                  "type": "CVSS_V4"
                },
                {
                  "score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "high",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2021-3759",
              "severity": [
                {
                  "score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
                  "type": "CVSS_V4"
                },
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2021-33624",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2021-34556",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2021-35477",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2021-37159",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "low",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2021-38166",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2021-38204",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "low",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2021-38205",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "low",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2021-40490",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2021-42008",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "low",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:20.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "linux-buildinfo-5.10.0-1050-oem",
            "binary_version": "5.10.0-1050.52"
          },
          {
            "binary_name": "linux-headers-5.10.0-1050-oem",
            "binary_version": "5.10.0-1050.52"
          },
          {
            "binary_name": "linux-image-unsigned-5.10.0-1050-oem",
            "binary_version": "5.10.0-1050.52"
          },
          {
            "binary_name": "linux-modules-5.10.0-1050-oem",
            "binary_version": "5.10.0-1050.52"
          },
          {
            "binary_name": "linux-oem-5.10-headers-5.10.0-1050",
            "binary_version": "5.10.0-1050.52"
          },
          {
            "binary_name": "linux-oem-5.10-tools-5.10.0-1050",
            "binary_version": "5.10.0-1050.52"
          },
          {
            "binary_name": "linux-oem-5.10-tools-host",
            "binary_version": "5.10.0-1050.52"
          },
          {
            "binary_name": "linux-tools-5.10.0-1050-oem",
            "binary_version": "5.10.0-1050.52"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "linux-oem-5.10",
        "purl": "pkg:deb/ubuntu/linux-oem-5.10@5.10.0-1050.52?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "5.10.0-1050.52"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "5.10.0-1008.9",
        "5.10.0-1011.12",
        "5.10.0-1013.14",
        "5.10.0-1014.15",
        "5.10.0-1016.17",
        "5.10.0-1017.18",
        "5.10.0-1019.20",
        "5.10.0-1021.22",
        "5.10.0-1022.23",
        "5.10.0-1023.24",
        "5.10.0-1025.26",
        "5.10.0-1026.27",
        "5.10.0-1029.30",
        "5.10.0-1032.33",
        "5.10.0-1033.34",
        "5.10.0-1034.35",
        "5.10.0-1038.40",
        "5.10.0-1044.46",
        "5.10.0-1045.47",
        "5.10.0-1049.51"
      ]
    }
  ],
  "aliases": [],
  "details": "It was discovered that a race condition existed in the Atheros Ath9k WiFi\ndriver in the Linux kernel. An attacker could possibly use this to expose\nsensitive information (WiFi network traffic). (CVE-2020-3702)\n\nOfek Kirzner, Adam Morrison, Benedict Schlueter, and Piotr Krysiuk\ndiscovered that the BPF verifier in the Linux kernel missed possible\nmispredicted branches due to type confusion, allowing a side-channel\nattack. An attacker could use this to expose sensitive information.\n(CVE-2021-33624)\n\nBenedict Schlueter discovered that the BPF subsystem in the Linux kernel\ndid not properly protect against Speculative Store Bypass (SSB) side-\nchannel attacks in some situations. A local attacker could possibly use\nthis to expose sensitive information. (CVE-2021-34556)\n\nPiotr Krysiuk discovered that the BPF subsystem in the Linux kernel did not\nproperly protect against Speculative Store Bypass (SSB) side-channel\nattacks in some situations. A local attacker could possibly use this to\nexpose sensitive information. (CVE-2021-35477)\n\nIt was discovered that the tracing subsystem in the Linux kernel did not\nproperly keep track of per-cpu ring buffer state. A privileged attacker\ncould use this to cause a denial of service. (CVE-2021-3679)\n\nIt was discovered that the Option USB High Speed Mobile device driver in\nthe Linux kernel did not properly handle error conditions. A physically\nproximate attacker could use this to cause a denial of service (system\ncrash) or possibly execute arbitrary code. (CVE-2021-37159)\n\nAlois Wohlschlager discovered that the overlay file system in the Linux\nkernel did not restrict private clones in some situations. An attacker\ncould use this to expose sensitive information. (CVE-2021-3732)\n\nIt was discovered that the btrfs file system in the Linux kernel did not\nproperly handle removing a non-existent device id. An attacker with\nCAP_SYS_ADMIN could use this to cause a denial of service. (CVE-2021-3739)\n\nIt was discovered that the Qualcomm IPC Router protocol implementation in\nthe Linux kernel did not properly validate metadata in some situations. A\nlocal attacker could use this to cause a denial of service (system crash)\nor expose sensitive information. (CVE-2021-3743)\n\nIt was discovered that the virtual terminal (vt) device implementation in\nthe Linux kernel contained a race condition in its ioctl handling that led\nto an out-of-bounds read vulnerability. A local attacker could possibly use\nthis to expose sensitive information. (CVE-2021-3753)\n\nIt was discovered that the Linux kernel did not properly account for the\nmemory usage of certain IPC objects. A local attacker could use this to\ncause a denial of service (memory exhaustion). (CVE-2021-3759)\n\nIt was discovered that the BPF subsystem in the Linux kernel contained an\ninteger overflow in its hash table implementation. A local attacker could\nuse this to cause a denial of service (system crash) or possibly execute\narbitrary code. (CVE-2021-38166)\n\nIt was discovered that the MAX-3421 host USB device driver in the Linux\nkernel did not properly handle device removal events. A physically\nproximate attacker could use this to cause a denial of service (system\ncrash). (CVE-2021-38204)\n\nIt was discovered that the Xilinx 10/100 Ethernet Lite device driver in the\nLinux kernel could report pointer addresses in some situations. An attacker\ncould use this information to ease the exploitation of another\nvulnerability. (CVE-2021-38205)\n\nIt was discovered that the ext4 file system in the Linux kernel contained a\nrace condition when writing xattrs to an inode. A local attacker could use\nthis to cause a denial of service or possibly gain administrative\nprivileges. (CVE-2021-40490)\n\nIt was discovered that the 6pack network protocol driver in the Linux\nkernel did not properly perform validation checks. A privileged attacker\ncould use this to cause a denial of service (system crash) or execute\narbitrary code. (CVE-2021-42008)\n",
  "id": "USN-5115-1",
  "modified": "2026-09-14T08:02:04Z",
  "published": "2021-10-20T18:39:34Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-5115-1"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2020-3702"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2021-3679"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2021-3732"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2021-3739"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2021-3743"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2021-3753"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2021-3759"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2021-33624"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2021-34556"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2021-35477"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2021-37159"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2021-38166"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2021-38204"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2021-38205"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2021-40490"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2021-42008"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "linux-oem-5.10 vulnerabilities",
  "upstream": [
    "UBUNTU-CVE-2020-3702",
    "UBUNTU-CVE-2021-3679",
    "UBUNTU-CVE-2021-3732",
    "UBUNTU-CVE-2021-3739",
    "UBUNTU-CVE-2021-3743",
    "UBUNTU-CVE-2021-3753",
    "UBUNTU-CVE-2021-3759",
    "UBUNTU-CVE-2021-33624",
    "UBUNTU-CVE-2021-34556",
    "UBUNTU-CVE-2021-35477",
    "UBUNTU-CVE-2021-37159",
    "UBUNTU-CVE-2021-38166",
    "UBUNTU-CVE-2021-38204",
    "UBUNTU-CVE-2021-38205",
    "UBUNTU-CVE-2021-40490",
    "UBUNTU-CVE-2021-42008"
  ]
}



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Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.


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Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.