usn-6318-1
Vulnerability from osv_ubuntu
Published
2023-08-29 21:35
Modified
2026-06-03 10:45
Summary
linux, linux-aws, linux-aws-6.2, linux-azure, linux-hwe-6.2, linux-ibm, linux-kvm, linux-lowlatency, linux-lowlatency-hwe-6.2, linux-raspi vulnerabilities
Details

Daniel Moghimi discovered that some Intel(R) Processors did not properly clear microarchitectural state after speculative execution of various instructions. A local unprivileged user could use this to obtain to sensitive information. (CVE-2022-40982)

Tavis Ormandy discovered that some AMD processors did not properly handle speculative execution of certain vector register instructions. A local attacker could use this to expose sensitive information. (CVE-2023-20593)

It was discovered that the universal 32bit network packet classifier implementation in the Linux kernel did not properly perform reference counting in some situations, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2023-3609)

It was discovered that the netfilter subsystem in the Linux kernel did not properly handle certain error conditions, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2023-3610)

It was discovered that the Quick Fair Queueing network scheduler implementation in the Linux kernel contained an out-of-bounds write vulnerability. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2023-3611)

It was discovered that the network packet classifier with netfilter/firewall marks implementation in the Linux kernel did not properly handle reference counting, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2023-3776)

Kevin Rich discovered that the netfilter subsystem in the Linux kernel did not properly handle table rules flush in certain circumstances. A local attacker could possibly use this to cause a denial of service (system crash) or execute arbitrary code. (CVE-2023-3777)

Kevin Rich discovered that the netfilter subsystem in the Linux kernel did not properly handle rule additions to bound chains in certain circumstances. A local attacker could possibly use this to cause a denial of service (system crash) or execute arbitrary code. (CVE-2023-3995)

It was discovered that the netfilter subsystem in the Linux kernel did not properly handle PIPAPO element removal, leading to a use-after-free vulnerability. A local attacker could possibly use this to cause a denial of service (system crash) or execute arbitrary code. (CVE-2023-4004)

Kevin Rich discovered that the netfilter subsystem in the Linux kernel did not properly handle bound chain deactivation in certain circumstances. A local attacker could possibly use this to cause a denial of service (system crash) or execute arbitrary code. (CVE-2023-4015)

References
To clipboard 

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                },
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "high",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2023-3777",
              "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": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "high",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2023-3995",
              "severity": [
                {
                  "score": "high",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2023-4004",
              "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": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "high",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2023-4015",
              "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": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "high",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2023-20593",
              "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": "high",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:22.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "linux-buildinfo-6.2.0-1011-lowlatency",
            "binary_version": "6.2.0-1011.11~22.04.1"
          },
          {
            "binary_name": "linux-buildinfo-6.2.0-1011-lowlatency-64k",
            "binary_version": "6.2.0-1011.11~22.04.1"
          },
          {
            "binary_name": "linux-cloud-tools-6.2.0-1011-lowlatency",
            "binary_version": "6.2.0-1011.11~22.04.1"
          },
          {
            "binary_name": "linux-headers-6.2.0-1011-lowlatency",
            "binary_version": "6.2.0-1011.11~22.04.1"
          },
          {
            "binary_name": "linux-headers-6.2.0-1011-lowlatency-64k",
            "binary_version": "6.2.0-1011.11~22.04.1"
          },
          {
            "binary_name": "linux-image-unsigned-6.2.0-1011-lowlatency",
            "binary_version": "6.2.0-1011.11~22.04.1"
          },
          {
            "binary_name": "linux-image-unsigned-6.2.0-1011-lowlatency-64k",
            "binary_version": "6.2.0-1011.11~22.04.1"
          },
          {
            "binary_name": "linux-lowlatency-hwe-6.2-cloud-tools-6.2.0-1011",
            "binary_version": "6.2.0-1011.11~22.04.1"
          },
          {
            "binary_name": "linux-lowlatency-hwe-6.2-cloud-tools-common",
            "binary_version": "6.2.0-1011.11~22.04.1"
          },
          {
            "binary_name": "linux-lowlatency-hwe-6.2-headers-6.2.0-1011",
            "binary_version": "6.2.0-1011.11~22.04.1"
          },
          {
            "binary_name": "linux-lowlatency-hwe-6.2-tools-6.2.0-1011",
            "binary_version": "6.2.0-1011.11~22.04.1"
          },
          {
            "binary_name": "linux-lowlatency-hwe-6.2-tools-common",
            "binary_version": "6.2.0-1011.11~22.04.1"
          },
          {
            "binary_name": "linux-lowlatency-hwe-6.2-tools-host",
            "binary_version": "6.2.0-1011.11~22.04.1"
          },
          {
            "binary_name": "linux-modules-6.2.0-1011-lowlatency",
            "binary_version": "6.2.0-1011.11~22.04.1"
          },
          {
            "binary_name": "linux-modules-6.2.0-1011-lowlatency-64k",
            "binary_version": "6.2.0-1011.11~22.04.1"
          },
          {
            "binary_name": "linux-modules-ipu6-6.2.0-1011-lowlatency",
            "binary_version": "6.2.0-1011.11~22.04.1"
          },
          {
            "binary_name": "linux-modules-ivsc-6.2.0-1011-lowlatency",
            "binary_version": "6.2.0-1011.11~22.04.1"
          },
          {
            "binary_name": "linux-modules-iwlwifi-6.2.0-1011-lowlatency",
            "binary_version": "6.2.0-1011.11~22.04.1"
          },
          {
            "binary_name": "linux-tools-6.2.0-1011-lowlatency",
            "binary_version": "6.2.0-1011.11~22.04.1"
          },
          {
            "binary_name": "linux-tools-6.2.0-1011-lowlatency-64k",
            "binary_version": "6.2.0-1011.11~22.04.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "linux-lowlatency-hwe-6.2",
        "purl": "pkg:deb/ubuntu/linux-lowlatency-hwe-6.2@6.2.0-1011.11~22.04.1?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "6.2.0-1011.11~22.04.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "6.2.0-1008.8~22.04.1",
        "6.2.0-1009.9~22.04.1"
      ]
    }
  ],
  "aliases": [],
  "details": "Daniel Moghimi discovered that some Intel(R) Processors did not properly\nclear microarchitectural state after speculative execution of various\ninstructions. A local unprivileged user could use this to obtain to\nsensitive information. (CVE-2022-40982)\n\nTavis Ormandy discovered that some AMD processors did not properly handle\nspeculative execution of certain vector register instructions. A local\nattacker could use this to expose sensitive information. (CVE-2023-20593)\n\nIt was discovered that the universal 32bit network packet classifier\nimplementation in the Linux kernel did not properly perform reference\ncounting in some situations, leading to a use-after-free vulnerability. A\nlocal attacker could use this to cause a denial of service (system crash)\nor possibly execute arbitrary code. (CVE-2023-3609)\n\nIt was discovered that the netfilter subsystem in the Linux kernel did not\nproperly handle certain error conditions, leading to a use-after-free\nvulnerability. A local attacker could use this to cause a denial of service\n(system crash) or possibly execute arbitrary code. (CVE-2023-3610)\n\nIt was discovered that the Quick Fair Queueing network scheduler\nimplementation in the Linux kernel contained an out-of-bounds write\nvulnerability. A local attacker could use this to cause a denial of service\n(system crash) or possibly execute arbitrary code. (CVE-2023-3611)\n\nIt was discovered that the network packet classifier with\nnetfilter/firewall marks implementation in the Linux kernel did not\nproperly handle reference counting, leading to a use-after-free\nvulnerability. A local attacker could use this to cause a denial of service\n(system crash) or possibly execute arbitrary code. (CVE-2023-3776)\n\nKevin Rich discovered that the netfilter subsystem in the Linux kernel did\nnot properly handle table rules flush in certain circumstances. A local\nattacker could possibly use this to cause a denial of service (system\ncrash) or execute arbitrary code. (CVE-2023-3777)\n\nKevin Rich discovered that the netfilter subsystem in the Linux kernel did\nnot properly handle rule additions to bound chains in certain\ncircumstances. A local attacker could possibly use this to cause a denial\nof service (system crash) or execute arbitrary code. (CVE-2023-3995)\n\nIt was discovered that the netfilter subsystem in the Linux kernel did not\nproperly handle PIPAPO element removal, leading to a use-after-free\nvulnerability. A local attacker could possibly use this to cause a denial\nof service (system crash) or execute arbitrary code. (CVE-2023-4004)\n\nKevin Rich discovered that the netfilter subsystem in the Linux kernel did\nnot properly handle bound chain deactivation in certain circumstances. A\nlocal attacker could possibly use this to cause a denial of service (system\ncrash) or execute arbitrary code. (CVE-2023-4015)\n\n",
  "id": "USN-6318-1",
  "modified": "2026-06-03T10:45:35Z",
  "published": "2023-08-29T21:35:56Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-6318-1"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2022-40982"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2023-3609"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2023-3610"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2023-3611"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2023-3776"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2023-3777"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2023-3995"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2023-4004"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2023-4015"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2023-20593"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "linux, linux-aws, linux-aws-6.2, linux-azure, linux-hwe-6.2, linux-ibm, linux-kvm, linux-lowlatency, linux-lowlatency-hwe-6.2, linux-raspi vulnerabilities",
  "upstream": [
    "UBUNTU-CVE-2022-40982",
    "UBUNTU-CVE-2023-3609",
    "UBUNTU-CVE-2023-3610",
    "UBUNTU-CVE-2023-3611",
    "UBUNTU-CVE-2023-3776",
    "UBUNTU-CVE-2023-3777",
    "UBUNTU-CVE-2023-3995",
    "UBUNTU-CVE-2023-4004",
    "UBUNTU-CVE-2023-4015",
    "UBUNTU-CVE-2023-20593"
  ]
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.