usn-6081-1
Vulnerability from osv_ubuntu
Published
2023-05-16 14:21
Modified
2026-06-25 10:46
Summary
linux, linux-aws, linux-aws-hwe, linux-kvm vulnerabilities
Details

Jordy Zomer and Alexandra Sandulescu discovered that the Linux kernel did not properly implement speculative execution barriers in usercopy functions in certain situations. A local attacker could use this to expose sensitive information (kernel memory). (CVE-2023-0459)

Xingyuan Mo discovered that the x86 KVM implementation in the Linux kernel did not properly initialize some data structures. A local attacker could use this to expose sensitive information (kernel memory). (CVE-2023-1513)

It was discovered that a use-after-free vulnerability existed in the iSCSI TCP implementation in the Linux kernel. A local attacker could possibly use this to cause a denial of service (system crash). (CVE-2023-2162)

It was discovered that the NET/ROM protocol implementation in the Linux kernel contained a race condition 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-2023-32269)

Duoming Zhou discovered that a race condition existed in the infrared receiver/transceiver driver in the Linux kernel, leading to a use-after- free vulnerability. A privileged attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2023-1118)

References
To clipboard 

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    }
  ],
  "aliases": [],
  "details": "Jordy Zomer and Alexandra Sandulescu discovered that the Linux kernel did\nnot properly implement speculative execution barriers in usercopy functions\nin certain situations. A local attacker could use this to expose sensitive\ninformation (kernel memory). (CVE-2023-0459)\n\nXingyuan Mo discovered that the x86 KVM implementation in the Linux kernel\ndid not properly initialize some data structures. A local attacker could\nuse this to expose sensitive information (kernel memory). (CVE-2023-1513)\n\nIt was discovered that a use-after-free vulnerability existed in the iSCSI\nTCP implementation in the Linux kernel. A local attacker could possibly use\nthis to cause a denial of service (system crash). (CVE-2023-2162)\n\nIt was discovered that the NET/ROM protocol implementation in the Linux\nkernel contained a race condition in some situations, leading to a use-\nafter-free vulnerability. A local attacker could use this to cause a denial\nof service (system crash) or possibly execute arbitrary code.\n(CVE-2023-32269)\n\nDuoming Zhou discovered that a race condition existed in the infrared\nreceiver/transceiver driver in the Linux kernel, leading to a use-after-\nfree vulnerability. A privileged attacker could use this to cause a denial\nof service (system crash) or possibly execute arbitrary code.\n(CVE-2023-1118)\n\n",
  "id": "USN-6081-1",
  "modified": "2026-06-25T10:46:13Z",
  "published": "2023-05-16T14:21:21Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-6081-1"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2023-0459"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2023-1118"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2023-1513"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2023-2162"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2023-32269"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "linux, linux-aws, linux-aws-hwe, linux-kvm vulnerabilities",
  "upstream": [
    "UBUNTU-CVE-2023-0459",
    "UBUNTU-CVE-2023-1118",
    "UBUNTU-CVE-2023-1513",
    "UBUNTU-CVE-2023-2162",
    "UBUNTU-CVE-2023-32269"
  ]
}



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Taxonomy of the tags.





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.