suse-su-2024:1039-1
Vulnerability from csaf_suse
Published
2024-03-28 10:04
Modified
2024-03-28 10:04
Summary
Security update for the Linux Kernel (Live Patch 0 for SLE 15 SP5)

Notes

Title of the patch
Security update for the Linux Kernel (Live Patch 0 for SLE 15 SP5)
Description of the patch
This update for the Linux Kernel 5.14.21-150500_53 fixes several issues. The following security issues were fixed: - CVE-2023-6531: Fixed a use-after-free flaw due to a race problem in the unix garbage collector's deletion of SKB races with unix_stream_read_generic()on the socket that the SKB is queued on (bsc#1218487). - CVE-2023-46813: Fixed a local privilege escalation with user-space programs that have access to MMIO regions (bsc#1216898). - CVE-2023-39191: Fixed a lack of validation of dynamic pointers within user-supplied eBPF programs that may have allowed an attacker with CAP_BPF privileges to escalate privileges and execute arbitrary code. (bsc#1215863) - CVE-2023-51779: Fixed a use-after-free because of a bt_sock_ioctl race condition in bt_sock_recvmsg (bsc#1218610). - CVE-2023-0461: Fixed use-after-free in icsk_ulp_data (bsc#1208911).
Patchnames
SUSE-2024-1039,SUSE-SLE-Module-Live-Patching-15-SP5-2024-1039
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 

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        "url": "https://www.suse.com/security/cve/CVE-2023-6531/"
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    "title": "Security update for the Linux Kernel (Live Patch 0 for SLE 15 SP5)",
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  "vulnerabilities": [
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      "cve": "CVE-2023-0461",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2023-0461"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "There is a use-after-free vulnerability in the Linux Kernel which can be exploited to achieve local privilege escalation. To reach the vulnerability kernel configuration flag CONFIG_TLS  or CONFIG_XFRM_ESPINTCP  has to be configured, but the operation does not require any privilege.\n\nThere is a use-after-free bug of icsk_ulp_data  of a struct inet_connection_sock.\n\nWhen CONFIG_TLS  is enabled, user can install a tls context (struct tls_context) on a connected tcp socket. The context is not cleared if this socket is disconnected and reused as a listener. If a new socket is created from the listener, the context is inherited and vulnerable.\n\nThe setsockopt  TCP_ULP  operation does not require any privilege.\n\nWe recommend upgrading past commit  2c02d41d71f90a5168391b6a5f2954112ba2307c",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
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          "SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_53-default-9-150500.6.2.s390x",
          "SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_53-default-9-150500.6.2.x86_64"
        ]
      },
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        {
          "category": "external",
          "summary": "CVE-2023-0461",
          "url": "https://www.suse.com/security/cve/CVE-2023-0461"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1208787 for CVE-2023-0461",
          "url": "https://bugzilla.suse.com/1208787"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1208911 for CVE-2023-0461",
          "url": "https://bugzilla.suse.com/1208911"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1211833 for CVE-2023-0461",
          "url": "https://bugzilla.suse.com/1211833"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1217079 for CVE-2023-0461",
          "url": "https://bugzilla.suse.com/1217079"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1218514 for CVE-2023-0461",
          "url": "https://bugzilla.suse.com/1218514"
        }
      ],
      "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 SP5:kernel-livepatch-5_14_21-150500_53-default-9-150500.6.2.ppc64le",
            "SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_53-default-9-150500.6.2.s390x",
            "SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_53-default-9-150500.6.2.x86_64"
          ]
        }
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      "scores": [
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          "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"
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          "products": [
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            "SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_53-default-9-150500.6.2.s390x",
            "SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_53-default-9-150500.6.2.x86_64"
          ]
        }
      ],
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          "category": "impact",
          "date": "2024-03-28T10:04:44Z",
          "details": "important"
        }
      ],
      "title": "CVE-2023-0461"
    },
    {
      "cve": "CVE-2023-39191",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2023-39191"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "An improper input validation flaw was found in the eBPF subsystem in the Linux kernel. The issue occurs due to a lack of proper validation of dynamic pointers within user-supplied eBPF programs prior to executing them. This may allow an attacker with CAP_BPF privileges to escalate privileges and execute arbitrary code in the context of the kernel.",
          "title": "CVE description"
        }
      ],
      "product_status": {
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          "SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_53-default-9-150500.6.2.x86_64"
        ]
      },
      "references": [
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          "category": "external",
          "summary": "CVE-2023-39191",
          "url": "https://www.suse.com/security/cve/CVE-2023-39191"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1215863 for CVE-2023-39191",
          "url": "https://bugzilla.suse.com/1215863"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1215887 for CVE-2023-39191",
          "url": "https://bugzilla.suse.com/1215887"
        }
      ],
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          "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 SP5:kernel-livepatch-5_14_21-150500_53-default-9-150500.6.2.ppc64le",
            "SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_53-default-9-150500.6.2.s390x",
            "SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_53-default-9-150500.6.2.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 8.2,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H",
            "version": "3.1"
          },
          "products": [
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            "SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_53-default-9-150500.6.2.s390x",
            "SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_53-default-9-150500.6.2.x86_64"
          ]
        }
      ],
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          "category": "impact",
          "date": "2024-03-28T10:04:44Z",
          "details": "important"
        }
      ],
      "title": "CVE-2023-39191"
    },
    {
      "cve": "CVE-2023-46813",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2023-46813"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "An issue was discovered in the Linux kernel before 6.5.9, exploitable by local users with userspace access to MMIO registers. Incorrect access checking in the #VC handler and instruction emulation of the SEV-ES emulation of MMIO accesses could lead to arbitrary write access to kernel memory (and thus privilege escalation). This depends on a race condition through which userspace can replace an instruction before the #VC handler reads it.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
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          "SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_53-default-9-150500.6.2.s390x",
          "SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_53-default-9-150500.6.2.x86_64"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2023-46813",
          "url": "https://www.suse.com/security/cve/CVE-2023-46813"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1212649 for CVE-2023-46813",
          "url": "https://bugzilla.suse.com/1212649"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1216896 for CVE-2023-46813",
          "url": "https://bugzilla.suse.com/1216896"
        }
      ],
      "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 SP5:kernel-livepatch-5_14_21-150500_53-default-9-150500.6.2.ppc64le",
            "SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_53-default-9-150500.6.2.s390x",
            "SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_53-default-9-150500.6.2.x86_64"
          ]
        }
      ],
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          "cvss_v3": {
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            "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": [
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            "SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_53-default-9-150500.6.2.s390x",
            "SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_53-default-9-150500.6.2.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2024-03-28T10:04:44Z",
          "details": "moderate"
        }
      ],
      "title": "CVE-2023-46813"
    },
    {
      "cve": "CVE-2023-51779",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2023-51779"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "bt_sock_recvmsg in net/bluetooth/af_bluetooth.c in the Linux kernel through 6.6.8 has a use-after-free because of a bt_sock_ioctl race condition.",
          "title": "CVE description"
        }
      ],
      "product_status": {
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          "SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_53-default-9-150500.6.2.s390x",
          "SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_53-default-9-150500.6.2.x86_64"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2023-51779",
          "url": "https://www.suse.com/security/cve/CVE-2023-51779"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1218559 for CVE-2023-51779",
          "url": "https://bugzilla.suse.com/1218559"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1218610 for CVE-2023-51779",
          "url": "https://bugzilla.suse.com/1218610"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1220015 for CVE-2023-51779",
          "url": "https://bugzilla.suse.com/1220015"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1220191 for CVE-2023-51779",
          "url": "https://bugzilla.suse.com/1220191"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1221578 for CVE-2023-51779",
          "url": "https://bugzilla.suse.com/1221578"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1221598 for CVE-2023-51779",
          "url": "https://bugzilla.suse.com/1221598"
        }
      ],
      "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 SP5:kernel-livepatch-5_14_21-150500_53-default-9-150500.6.2.ppc64le",
            "SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_53-default-9-150500.6.2.s390x",
            "SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_53-default-9-150500.6.2.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 SP5:kernel-livepatch-5_14_21-150500_53-default-9-150500.6.2.ppc64le",
            "SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_53-default-9-150500.6.2.s390x",
            "SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_53-default-9-150500.6.2.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2024-03-28T10:04:44Z",
          "details": "moderate"
        }
      ],
      "title": "CVE-2023-51779"
    },
    {
      "cve": "CVE-2023-6531",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2023-6531"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "A use-after-free flaw was found in the Linux Kernel due to a race problem in the unix garbage collector\u0027s deletion of SKB races with unix_stream_read_generic() on the socket that the SKB is queued on.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_53-default-9-150500.6.2.ppc64le",
          "SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_53-default-9-150500.6.2.s390x",
          "SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_53-default-9-150500.6.2.x86_64"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2023-6531",
          "url": "https://www.suse.com/security/cve/CVE-2023-6531"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1218447 for CVE-2023-6531",
          "url": "https://bugzilla.suse.com/1218447"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1218487 for CVE-2023-6531",
          "url": "https://bugzilla.suse.com/1218487"
        }
      ],
      "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 SP5:kernel-livepatch-5_14_21-150500_53-default-9-150500.6.2.ppc64le",
            "SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_53-default-9-150500.6.2.s390x",
            "SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_53-default-9-150500.6.2.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 SP5:kernel-livepatch-5_14_21-150500_53-default-9-150500.6.2.ppc64le",
            "SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_53-default-9-150500.6.2.s390x",
            "SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_53-default-9-150500.6.2.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2024-03-28T10:04:44Z",
          "details": "moderate"
        }
      ],
      "title": "CVE-2023-6531"
    }
  ]
}


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