net/mlx5e: Fix crash caused by calling __xfrm_state_delete() twice

{
  "id": "59e4d7dfd043f554add607ee8c300876b2b011be7c4b471cc295a55481d3e905",
  "url": "https://osv.dev/vulnerability/CVE-2024-49953",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "net/mlx5e: Fix crash caused by calling __xfrm_state_delete() twice",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: Fix crash caused by calling __xfrm_state_delete() twice The km.state is not checked in driver's delayed work. When xfrm_state_check_expire() is called, the state can be reset to XFRM_STATE_EXPIRED, even if it is XFRM_STATE_DEAD already. This happens when xfrm state is deleted, but not freed yet. As __xfrm_state_delete() is called again in xfrm timer, the following crash occurs. To fix this issue, skip xfrm_state_check_expire() if km.state is not XFRM_STATE_VALID. Oops: general protection fault, probably for non-canonical address 0xdead000000000108: 0000 [#1] SMP CPU: 5 UID: 0 PID: 7448 Comm: kworker/u102:2 Not tainted 6.11.0-rc2+ #1 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.13.0-0-gf21b5a4aeb02-prebuilt.qemu.org 04/01/2014 Workqueue: mlx5e_ipsec: eth%d mlx5e_ipsec_handle_sw_limits [mlx5_core] RIP: 0010:__xfrm_state_delete+0x3d/0x1b0 Code: 0f 84 8b 01 00 00 48 89 fd c6 87 c8 00 00 00 05 48 8d bb 40 10 00 00 e8 11 04 1a 00 48 8b 95 b8 00 00 00 48 8b 85 c0 00 00 00 <48> 89 42 08 48 89 10 48 8b 55 10 48 b8 00 01 00 00 00 00 ad de 48 RSP: 0018:ffff88885f945ec8 EFLAGS: 00010246 RAX: dead000000000122 RBX: ffffffff82afa940 RCX: 0000000000000036 RDX: dead000000000100 RSI: 0000000000000000 RDI: ffffffff82afb980 RBP: ffff888109a20340 R08: ffff88885f945ea0 R09: 0000000000000000 R10: 0000000000000000 R11: ffff88885f945ff8 R12: 0000000000000246 R13: ffff888109a20340 R14: ffff88885f95f420 R15",
    "evidence": "osv:CVE-2024-49953",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "6.6.55",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.10.14",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.11.3",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CVE-2024-49953",
      "aliases": [
        "CVE-2024-49953"
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "type": "GIT",
              "events": [
                {
                  "introduced": "b2f7b01d36a9b94fbd7489bd1228025ea7e7a2f4"
                },
                {
                  "fixed": "fab615ac9fcb8589222303099975d464d8857527"
                },
                {
                  "fixed": "0b1672834634df9ac9cedf856db9fc36d92c50ef"
                },
                {
                  "fixed": "151e7dead1f5399a73c19c4b50307ea48aff1dc0"
                },
                {
                  "fixed": "7b124695db40d5c9c5295a94ae928a8d67a01c3d"
                }
              ]
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-49953.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.4.0"
                },
                {
                  "fixed": "6.6.55"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.7.0"
                },
                {
                  "fixed": "6.10.14"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.11.0"
                },
                {
                  "fixed": "6.11.3"
                }
              ]
            }
          ],
          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-49953.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:26.657167372Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/0b1672834634df9ac9cedf856db9fc36d92c50ef",
        "https://git.kernel.org/stable/c/151e7dead1f5399a73c19c4b50307ea48aff1dc0",
        "https://git.kernel.org/stable/c/7b124695db40d5c9c5295a94ae928a8d67a01c3d",
        "https://git.kernel.org/stable/c/fab615ac9fcb8589222303099975d464d8857527",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/49xxx/CVE-2024-49953.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2024-49953",
        "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
      ],
      "provider_metadata": {
        "cna_assigner": "Linux",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/49xxx/CVE-2024-49953.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2024-49953",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 493164,
  "published_at": "2024-10-21T18:02:08.381+00:00"
}