{
  "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 7 for SUSE Linux Enterprise Micro 6.0)",
        "title": "Title of the patch"
      },
      {
        "category": "description",
        "text": "\nThis update for the SUSE Linux Enterprise kernel 6.4.0-30.1 fixes one security issue\n\nThe following security issue was fixed:\n\n- CVE-2025-38129: page_pool: fix use-after-free in page_pool_recycle_in_ring (bsc#1258139).\n",
        "title": "Description of the patch"
      },
      {
        "category": "details",
        "text": "SUSE-SLE-Micro-6.0-kernel-285",
        "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-2026_20700-1.json"
      },
      {
        "category": "self",
        "summary": "URL for SUSE-SU-2026:20700-1",
        "url": "https://www.suse.com/support/update/announcement/2026/suse-su-202620700-1/"
      },
      {
        "category": "self",
        "summary": "E-Mail link for SUSE-SU-2026:20700-1",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2026-March/024725.html"
      },
      {
        "category": "self",
        "summary": "SUSE Bug 1258139",
        "url": "https://bugzilla.suse.com/1258139"
      },
      {
        "category": "self",
        "summary": "SUSE CVE CVE-2025-38129 page",
        "url": "https://www.suse.com/security/cve/CVE-2025-38129/"
      }
    ],
    "title": "Security update for the Linux Kernel RT (Live Patch 7 for SUSE Linux Enterprise Micro 6.0)",
    "tracking": {
      "current_release_date": "2026-03-05T11:11:28Z",
      "generator": {
        "date": "2026-03-05T11:11:28Z",
        "engine": {
          "name": "cve-database.git:bin/generate-csaf.pl",
          "version": "1"
        }
      },
      "id": "SUSE-SU-2026:20700-1",
      "initial_release_date": "2026-03-05T11:11:28Z",
      "revision_history": [
        {
          "date": "2026-03-05T11:11:28Z",
          "number": "1",
          "summary": "Current version"
        }
      ],
      "status": "final",
      "version": "1"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "kernel-livepatch-6_4_0-30-rt-13-1.3.x86_64",
                "product": {
                  "name": "kernel-livepatch-6_4_0-30-rt-13-1.3.x86_64",
                  "product_id": "kernel-livepatch-6_4_0-30-rt-13-1.3.x86_64"
                }
              }
            ],
            "category": "architecture",
            "name": "x86_64"
          },
          {
            "branches": [
              {
                "category": "product_name",
                "name": "SUSE Linux Micro 6.0",
                "product": {
                  "name": "SUSE Linux Micro 6.0",
                  "product_id": "SUSE Linux Micro 6.0",
                  "product_identification_helper": {
                    "cpe": "cpe:/o:suse:sl-micro:6.0"
                  }
                }
              }
            ],
            "category": "product_family",
            "name": "SUSE Linux Enterprise"
          }
        ],
        "category": "vendor",
        "name": "SUSE"
      }
    ],
    "relationships": [
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "kernel-livepatch-6_4_0-30-rt-13-1.3.x86_64 as component of SUSE Linux Micro 6.0",
          "product_id": "SUSE Linux Micro 6.0:kernel-livepatch-6_4_0-30-rt-13-1.3.x86_64"
        },
        "product_reference": "kernel-livepatch-6_4_0-30-rt-13-1.3.x86_64",
        "relates_to_product_reference": "SUSE Linux Micro 6.0"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2025-38129",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2025-38129"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "In the Linux kernel, the following vulnerability has been resolved:\n\npage_pool: Fix use-after-free in page_pool_recycle_in_ring\n\nsyzbot reported a uaf in page_pool_recycle_in_ring:\n\nBUG: KASAN: slab-use-after-free in lock_release+0x151/0xa30 kernel/locking/lockdep.c:5862\nRead of size 8 at addr ffff8880286045a0 by task syz.0.284/6943\n\nCPU: 0 UID: 0 PID: 6943 Comm: syz.0.284 Not tainted 6.13.0-rc3-syzkaller-gdfa94ce54f41 #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024\nCall Trace:\n \u003cTASK\u003e\n __dump_stack lib/dump_stack.c:94 [inline]\n dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120\n print_address_description mm/kasan/report.c:378 [inline]\n print_report+0x169/0x550 mm/kasan/report.c:489\n kasan_report+0x143/0x180 mm/kasan/report.c:602\n lock_release+0x151/0xa30 kernel/locking/lockdep.c:5862\n __raw_spin_unlock_bh include/linux/spinlock_api_smp.h:165 [inline]\n _raw_spin_unlock_bh+0x1b/0x40 kernel/locking/spinlock.c:210\n spin_unlock_bh include/linux/spinlock.h:396 [inline]\n ptr_ring_produce_bh include/linux/ptr_ring.h:164 [inline]\n page_pool_recycle_in_ring net/core/page_pool.c:707 [inline]\n page_pool_put_unrefed_netmem+0x748/0xb00 net/core/page_pool.c:826\n page_pool_put_netmem include/net/page_pool/helpers.h:323 [inline]\n page_pool_put_full_netmem include/net/page_pool/helpers.h:353 [inline]\n napi_pp_put_page+0x149/0x2b0 net/core/skbuff.c:1036\n skb_pp_recycle net/core/skbuff.c:1047 [inline]\n skb_free_head net/core/skbuff.c:1094 [inline]\n skb_release_data+0x6c4/0x8a0 net/core/skbuff.c:1125\n skb_release_all net/core/skbuff.c:1190 [inline]\n __kfree_skb net/core/skbuff.c:1204 [inline]\n sk_skb_reason_drop+0x1c9/0x380 net/core/skbuff.c:1242\n kfree_skb_reason include/linux/skbuff.h:1263 [inline]\n __skb_queue_purge_reason include/linux/skbuff.h:3343 [inline]\n\nroot cause is:\n\npage_pool_recycle_in_ring\n  ptr_ring_produce\n    spin_lock(\u0026r-\u003eproducer_lock);\n    WRITE_ONCE(r-\u003equeue[r-\u003eproducer++], ptr)\n      //recycle last page to pool\n\t\t\t\tpage_pool_release\n\t\t\t\t  page_pool_scrub\n\t\t\t\t    page_pool_empty_ring\n\t\t\t\t      ptr_ring_consume\n\t\t\t\t      page_pool_return_page  //release all page\n\t\t\t\t  __page_pool_destroy\n\t\t\t\t     free_percpu(pool-\u003erecycle_stats);\n\t\t\t\t     free(pool) //free\n\n     spin_unlock(\u0026r-\u003eproducer_lock); //pool-\u003ering uaf read\n  recycle_stat_inc(pool, ring);\n\npage_pool can be free while page pool recycle the last page in ring.\nAdd producer-lock barrier to page_pool_release to prevent the page\npool from being free before all pages have been recycled.\n\nrecycle_stat_inc() is empty when CONFIG_PAGE_POOL_STATS is not\nenabled, which will trigger Wempty-body build warning. Add definition\nfor pool stat macro to fix warning.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "SUSE Linux Micro 6.0:kernel-livepatch-6_4_0-30-rt-13-1.3.x86_64"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2025-38129",
          "url": "https://www.suse.com/security/cve/CVE-2025-38129"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1245723 for CVE-2025-38129",
          "url": "https://bugzilla.suse.com/1245723"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1258139 for CVE-2025-38129",
          "url": "https://bugzilla.suse.com/1258139"
        }
      ],
      "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 Micro 6.0:kernel-livepatch-6_4_0-30-rt-13-1.3.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 Micro 6.0:kernel-livepatch-6_4_0-30-rt-13-1.3.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2026-03-05T11:11:28Z",
          "details": "important"
        }
      ],
      "title": "CVE-2025-38129"
    }
  ]
}