suse-su-2023:2368-1
Vulnerability from csaf_suse
Published
2023-06-05 07:49
Modified
2023-06-05 07:49
Summary
Security update for the Linux Kernel RT (Live Patch 6 for SLE 15 SP4)

Notes

Title of the patch
Security update for the Linux Kernel RT (Live Patch 6 for SLE 15 SP4)
Description of the patch
This update for the Linux Kernel 5.14.21-150400_15_23 fixes several issues. The following security issues were fixed: - CVE-2023-0386: Fixed privileges escalation for low-privileged users in the OverlayFS subsystem (bsc#1210499). - CVE-2023-2162: Fixed an use-after-free flaw in iscsi_sw_tcp_session_create (bsc#1210662). - CVE-2023-23454: Fixed a type-confusion in the CBQ network scheduler (bsc#1207188).
Patchnames
SUSE-2023-2368,SUSE-SLE-Module-Live-Patching-15-SP4-2023-2368
Terms of use
CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).


To clipboard 

{
  "document": {
    "aggregate_severity": {
      "namespace": "https://www.suse.com/support/security/rating/",
      "text": "important"
    },
    "category": "csaf_security_advisory",
    "csaf_version": "2.0",
    "distribution": {
      "text": "Copyright 2024 SUSE LLC. All rights reserved.",
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "en",
    "notes": [
      {
        "category": "summary",
        "text": "Security update for the Linux Kernel RT (Live Patch 6 for SLE 15 SP4)",
        "title": "Title of the patch"
      },
      {
        "category": "description",
        "text": "This update for the Linux Kernel 5.14.21-150400_15_23 fixes several issues.\n\nThe following security issues were fixed:\n\n- CVE-2023-0386: Fixed privileges escalation for low-privileged users in the OverlayFS subsystem (bsc#1210499).\n- CVE-2023-2162: Fixed an use-after-free flaw in iscsi_sw_tcp_session_create (bsc#1210662).\n- CVE-2023-23454: Fixed a type-confusion in the CBQ network scheduler (bsc#1207188).\n",
        "title": "Description of the patch"
      },
      {
        "category": "details",
        "text": "SUSE-2023-2368,SUSE-SLE-Module-Live-Patching-15-SP4-2023-2368",
        "title": "Patchnames"
      },
      {
        "category": "legal_disclaimer",
        "text": "CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).",
        "title": "Terms of use"
      }
    ],
    "publisher": {
      "category": "vendor",
      "contact_details": "https://www.suse.com/support/security/contact/",
      "name": "SUSE Product Security Team",
      "namespace": "https://www.suse.com/"
    },
    "references": [
      {
        "category": "external",
        "summary": "SUSE ratings",
        "url": "https://www.suse.com/support/security/rating/"
      },
      {
        "category": "self",
        "summary": "URL of this CSAF notice",
        "url": "https://ftp.suse.com/pub/projects/security/csaf/suse-su-2023_2368-1.json"
      },
      {
        "category": "self",
        "summary": "URL for SUSE-SU-2023:2368-1",
        "url": "https://www.suse.com/support/update/announcement/2023/suse-su-20232368-1/"
      },
      {
        "category": "self",
        "summary": "E-Mail link for SUSE-SU-2023:2368-1",
        "url": "https://lists.suse.com/pipermail/sle-updates/2023-June/029712.html"
      },
      {
        "category": "self",
        "summary": "SUSE Bug 1207188",
        "url": "https://bugzilla.suse.com/1207188"
      },
      {
        "category": "self",
        "summary": "SUSE Bug 1210499",
        "url": "https://bugzilla.suse.com/1210499"
      },
      {
        "category": "self",
        "summary": "SUSE Bug 1210662",
        "url": "https://bugzilla.suse.com/1210662"
      },
      {
        "category": "self",
        "summary": "SUSE CVE CVE-2023-0386 page",
        "url": "https://www.suse.com/security/cve/CVE-2023-0386/"
      },
      {
        "category": "self",
        "summary": "SUSE CVE CVE-2023-2162 page",
        "url": "https://www.suse.com/security/cve/CVE-2023-2162/"
      },
      {
        "category": "self",
        "summary": "SUSE CVE CVE-2023-23454 page",
        "url": "https://www.suse.com/security/cve/CVE-2023-23454/"
      }
    ],
    "title": "Security update for the Linux Kernel RT (Live Patch 6 for SLE 15 SP4)",
    "tracking": {
      "current_release_date": "2023-06-05T07:49:36Z",
      "generator": {
        "date": "2023-06-05T07:49:36Z",
        "engine": {
          "name": "cve-database.git:bin/generate-csaf.pl",
          "version": "1"
        }
      },
      "id": "SUSE-SU-2023:2368-1",
      "initial_release_date": "2023-06-05T07:49:36Z",
      "revision_history": [
        {
          "date": "2023-06-05T07:49:36Z",
          "number": "1",
          "summary": "Current version"
        }
      ],
      "status": "final",
      "version": "1"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "kernel-livepatch-5_14_21-150400_15_23-rt-2-150400.2.2.x86_64",
                "product": {
                  "name": "kernel-livepatch-5_14_21-150400_15_23-rt-2-150400.2.2.x86_64",
                  "product_id": "kernel-livepatch-5_14_21-150400_15_23-rt-2-150400.2.2.x86_64"
                }
              }
            ],
            "category": "architecture",
            "name": "x86_64"
          },
          {
            "branches": [
              {
                "category": "product_name",
                "name": "SUSE Linux Enterprise Live Patching 15 SP4",
                "product": {
                  "name": "SUSE Linux Enterprise Live Patching 15 SP4",
                  "product_id": "SUSE Linux Enterprise Live Patching 15 SP4",
                  "product_identification_helper": {
                    "cpe": "cpe:/o:suse:sle-module-live-patching:15:sp4"
                  }
                }
              }
            ],
            "category": "product_family",
            "name": "SUSE Linux Enterprise"
          }
        ],
        "category": "vendor",
        "name": "SUSE"
      }
    ],
    "relationships": [
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "kernel-livepatch-5_14_21-150400_15_23-rt-2-150400.2.2.x86_64 as component of SUSE Linux Enterprise Live Patching 15 SP4",
          "product_id": "SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_15_23-rt-2-150400.2.2.x86_64"
        },
        "product_reference": "kernel-livepatch-5_14_21-150400_15_23-rt-2-150400.2.2.x86_64",
        "relates_to_product_reference": "SUSE Linux Enterprise Live Patching 15 SP4"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2023-0386",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2023-0386"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "A flaw was found in the Linux kernel, where unauthorized access to the execution of the setuid file with capabilities was found in the Linux kernel\u0027s OverlayFS subsystem in how a user copies a capable file from a nosuid mount into another mount. This uid mapping bug allows a local user to escalate their privileges on the system.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_15_23-rt-2-150400.2.2.x86_64"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2023-0386",
          "url": "https://www.suse.com/security/cve/CVE-2023-0386"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1209615 for CVE-2023-0386",
          "url": "https://bugzilla.suse.com/1209615"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1210499 for CVE-2023-0386",
          "url": "https://bugzilla.suse.com/1210499"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
          "product_ids": [
            "SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_15_23-rt-2-150400.2.2.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 7.8,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "products": [
            "SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_15_23-rt-2-150400.2.2.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2023-06-05T07:49:36Z",
          "details": "important"
        }
      ],
      "title": "CVE-2023-0386"
    },
    {
      "cve": "CVE-2023-2162",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2023-2162"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "A use-after-free vulnerability was found in iscsi_sw_tcp_session_create in drivers/scsi/iscsi_tcp.c in SCSI sub-component in the Linux Kernel. In this flaw an attacker could leak kernel internal information.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_15_23-rt-2-150400.2.2.x86_64"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2023-2162",
          "url": "https://www.suse.com/security/cve/CVE-2023-2162"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1210647 for CVE-2023-2162",
          "url": "https://bugzilla.suse.com/1210647"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1210662 for CVE-2023-2162",
          "url": "https://bugzilla.suse.com/1210662"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1213841 for CVE-2023-2162",
          "url": "https://bugzilla.suse.com/1213841"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1213842 for CVE-2023-2162",
          "url": "https://bugzilla.suse.com/1213842"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1214128 for CVE-2023-2162",
          "url": "https://bugzilla.suse.com/1214128"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1222212 for CVE-2023-2162",
          "url": "https://bugzilla.suse.com/1222212"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
          "product_ids": [
            "SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_15_23-rt-2-150400.2.2.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 7,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "products": [
            "SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_15_23-rt-2-150400.2.2.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2023-06-05T07:49:36Z",
          "details": "moderate"
        }
      ],
      "title": "CVE-2023-2162"
    },
    {
      "cve": "CVE-2023-23454",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2023-23454"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "cbq_classify in net/sched/sch_cbq.c in the Linux kernel through 6.1.4 allows attackers to cause a denial of service (slab-out-of-bounds read) because of type confusion (non-negative numbers can sometimes indicate a TC_ACT_SHOT condition rather than valid classification results).",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_15_23-rt-2-150400.2.2.x86_64"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2023-23454",
          "url": "https://www.suse.com/security/cve/CVE-2023-23454"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1207036 for CVE-2023-23454",
          "url": "https://bugzilla.suse.com/1207036"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1207188 for CVE-2023-23454",
          "url": "https://bugzilla.suse.com/1207188"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1208030 for CVE-2023-23454",
          "url": "https://bugzilla.suse.com/1208030"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1208044 for CVE-2023-23454",
          "url": "https://bugzilla.suse.com/1208044"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1208085 for CVE-2023-23454",
          "url": "https://bugzilla.suse.com/1208085"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1211833 for CVE-2023-23454",
          "url": "https://bugzilla.suse.com/1211833"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
          "product_ids": [
            "SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_15_23-rt-2-150400.2.2.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 7.8,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "products": [
            "SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_15_23-rt-2-150400.2.2.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2023-06-05T07:49:36Z",
          "details": "important"
        }
      ],
      "title": "CVE-2023-23454"
    }
  ]
}


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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
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  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.