SUSE-SU-2024:4160-1

Vulnerability from csaf_suse - Published: 2024-12-03 16:34 - Updated: 2024-12-03 16:34
Summary
Security update for the Linux Kernel RT (Live Patch 18 for SLE 15 SP5)
Severity
Important
Notes
Title of the patch: Security update for the Linux Kernel RT (Live Patch 18 for SLE 15 SP5)
Description of the patch: This update for the Linux Kernel 5.14.21-150500_13_64 fixes several issues. The following security issues were fixed: - CVE-2021-47517: Fix panic when interrupt coaleceing is set via ethtool (bsc#1225429). - CVE-2024-43861: Fix memory leak for not ip packets (bsc#1229553).
Patchnames: SUSE-2024-4160,SUSE-SLE-Module-Live-Patching-15-SP5-2024-4160
Terms of use: CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
CVE-2021-47517
6.5 (Medium)
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:H/A:H
Vendor Fix To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
CVE-2024-43861
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Vendor Fix To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
References
To clipboard 

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    "csaf_version": "2.0",
    "distribution": {
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        "text": "This update for the Linux Kernel 5.14.21-150500_13_64 fixes several issues.\n\nThe following security issues were fixed:\n\n- CVE-2021-47517: Fix panic when interrupt coaleceing is set via ethtool (bsc#1225429).\n- CVE-2024-43861: Fix memory leak for not ip packets (bsc#1229553).\n",
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        "title": "Patchnames"
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        "summary": "SUSE Bug 1225429",
        "url": "https://bugzilla.suse.com/1225429"
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        "summary": "SUSE Bug 1229553",
        "url": "https://bugzilla.suse.com/1229553"
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        "url": "https://www.suse.com/security/cve/CVE-2021-47517/"
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        "summary": "SUSE CVE CVE-2024-43861 page",
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    "title": "Security update for the Linux Kernel RT (Live Patch 18 for SLE 15 SP5)",
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      "revision_history": [
        {
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          "number": "1",
          "summary": "Current version"
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            "branches": [
              {
                "category": "product_version",
                "name": "kernel-livepatch-5_14_21-150500_13_64-rt-2-150500.11.6.1.x86_64",
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      "cve": "CVE-2021-47517",
      "ids": [
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          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2021-47517"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "In the Linux kernel, the following vulnerability has been resolved:\n\nethtool: do not perform operations on net devices being unregistered\n\nThere is a short period between a net device starts to be unregistered\nand when it is actually gone. In that time frame ethtool operations\ncould still be performed, which might end up in unwanted or undefined\nbehaviours[1].\n\nDo not allow ethtool operations after a net device starts its\nunregistration. This patch targets the netlink part as the ioctl one\nisn\u0027t affected: the reference to the net device is taken and the\noperation is executed within an rtnl lock section and the net device\nwon\u0027t be found after unregister.\n\n[1] For example adding Tx queues after unregister ends up in NULL\n    pointer exceptions and UaFs, such as:\n\n      BUG: KASAN: use-after-free in kobject_get+0x14/0x90\n      Read of size 1 at addr ffff88801961248c by task ethtool/755\n\n      CPU: 0 PID: 755 Comm: ethtool Not tainted 5.15.0-rc6+ #778\n      Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.14.0-4.fc34 04/014\n      Call Trace:\n       dump_stack_lvl+0x57/0x72\n       print_address_description.constprop.0+0x1f/0x140\n       kasan_report.cold+0x7f/0x11b\n       kobject_get+0x14/0x90\n       kobject_add_internal+0x3d1/0x450\n       kobject_init_and_add+0xba/0xf0\n       netdev_queue_update_kobjects+0xcf/0x200\n       netif_set_real_num_tx_queues+0xb4/0x310\n       veth_set_channels+0x1c3/0x550\n       ethnl_set_channels+0x524/0x610",
          "title": "CVE description"
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        ]
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        {
          "category": "external",
          "summary": "CVE-2021-47517",
          "url": "https://www.suse.com/security/cve/CVE-2021-47517"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1225428 for CVE-2021-47517",
          "url": "https://bugzilla.suse.com/1225428"
        }
      ],
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          "details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
          "product_ids": [
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          ]
        }
      ],
      "scores": [
        {
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            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:H/A:H",
            "version": "3.1"
          },
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          "date": "2024-12-03T16:34:16Z",
          "details": "moderate"
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      "title": "CVE-2021-47517"
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          "text": "https://www.suse.com/security/cve/CVE-2024-43861"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: usb: qmi_wwan: fix memory leak for not ip packets\n\nFree the unused skb when not ip packets arrive.",
          "title": "CVE description"
        }
      ],
      "product_status": {
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          "summary": "CVE-2024-43861",
          "url": "https://www.suse.com/security/cve/CVE-2024-43861"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1229500 for CVE-2024-43861",
          "url": "https://bugzilla.suse.com/1229500"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1229553 for CVE-2024-43861",
          "url": "https://bugzilla.suse.com/1229553"
        }
      ],
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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_13_64-rt-2-150500.11.6.1.x86_64"
          ]
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      ],
      "scores": [
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          "cvss_v3": {
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            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
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      "title": "CVE-2024-43861"
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}


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  • 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.