CVE-2023-53731 (GCVE-0-2023-53731)

Vulnerability from cvelistv5 – Published: 2025-10-22 13:23 – Updated: 2026-05-23 15:30
VLAI
Title
netlink: fix potential deadlock in netlink_set_err()
Summary
In the Linux kernel, the following vulnerability has been resolved: netlink: fix potential deadlock in netlink_set_err() syzbot reported a possible deadlock in netlink_set_err() [1] A similar issue was fixed in commit 1d482e666b8e ("netlink: disable IRQs for netlink_lock_table()") in netlink_lock_table() This patch adds IRQ safety to netlink_set_err() and __netlink_diag_dump() which were not covered by cited commit. [1] WARNING: possible irq lock inversion dependency detected 6.4.0-rc6-syzkaller-00240-g4e9f0ec38852 #0 Not tainted syz-executor.2/23011 just changed the state of lock: ffffffff8e1a7a58 (nl_table_lock){.+.?}-{2:2}, at: netlink_set_err+0x2e/0x3a0 net/netlink/af_netlink.c:1612 but this lock was taken by another, SOFTIRQ-safe lock in the past: (&local->queue_stop_reason_lock){..-.}-{2:2} and interrupts could create inverse lock ordering between them. other info that might help us debug this: Possible interrupt unsafe locking scenario: CPU0 CPU1 ---- ---- lock(nl_table_lock); local_irq_disable(); lock(&local->queue_stop_reason_lock); lock(nl_table_lock); <Interrupt> lock(&local->queue_stop_reason_lock); *** DEADLOCK ***
Severity
No CVSS data available.
Assigner
Linux CNA under the mitre root
CNA scorecard D 53/100 over 6638 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 82b2ea5f904b3826934df4a00f3b8806272185f6 , < c09e8e3f7fd432984bf5422302b093d2371dfc48 (git)
Affected: 59fba11d649854134c75ad88c8adafa9304ac419 , < 4b9adb8d4a62ff7608d4a7d4eb42036a88f30980 (git)
Affected: 21df0c2e7d195de4a3c650de9361b3037fa6c59a , < 8f6652ed2ad98fe6d13b903483d9257762ab2ec6 (git)
Affected: 1d6d43d4805da9b3fa0f5841e8b1083c89868f35 , < cde7b90e0539a3b11da377e463dfd2288a162dbf (git)
Affected: 1d482e666b8e74c7555dbdfbfb77205eeed3ff2d , < a641240b7e071c5538dc0e7894ece833fce459dd (git)
Affected: 1d482e666b8e74c7555dbdfbfb77205eeed3ff2d , < 61ffe8b1ee084e5c82a4e4bbf9e7b68e0c06e464 (git)
Affected: 1d482e666b8e74c7555dbdfbfb77205eeed3ff2d , < eb8e27c8fa9397b4a7b181c48fa58157dbe9902e (git)
Affected: 1d482e666b8e74c7555dbdfbfb77205eeed3ff2d , < 1556ba034b95cfd4f75ea93c1a2679ae0444bba1 (git)
Affected: 1d482e666b8e74c7555dbdfbfb77205eeed3ff2d , < 8d61f926d42045961e6b65191c09e3678d86a9cf (git)
Affected: 5f155c4046200f067b1dc3140ea99ef56e4e0b74 (git)
Affected: a8e9111a8625dd11e70edd61f7a1ccd26c041442 (git)
Affected: 76cc8e04f38c2bbfcba07f62864a011f142bd40c (git)
Affected: 4.14.237 , < 4.14.322 (semver)
Affected: 4.19.195 , < 4.19.291 (semver)
Affected: 5.4.126 , < 5.4.251 (semver)
Affected: 5.10.44 , < 5.10.188 (semver)
Affected: 4.4.273 , < 4.5 (semver)
Affected: 4.9.273 , < 4.10 (semver)
Affected: 5.12.11 , < 5.13 (semver)
guessed Create a notification for this product.
Linux Linux Affected: 5.13
Unaffected: 0 , < 5.13 (semver)
Unaffected: 4.14.322 , ≤ 4.14.* (semver)
Unaffected: 4.19.291 , ≤ 4.19.* (semver)
Unaffected: 5.4.251 , ≤ 5.4.* (semver)
Unaffected: 5.10.188 , ≤ 5.10.* (semver)
Unaffected: 5.15.121 , ≤ 5.15.* (semver)
Unaffected: 6.1.39 , ≤ 6.1.* (semver)
Unaffected: 6.3.13 , ≤ 6.3.* (semver)
Unaffected: 6.4.4 , ≤ 6.4.* (semver)
Unaffected: 6.5 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
Show details on NVD website
To clipboard 

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "net/netlink/af_netlink.c",
            "net/netlink/diag.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "c09e8e3f7fd432984bf5422302b093d2371dfc48",
              "status": "affected",
              "version": "82b2ea5f904b3826934df4a00f3b8806272185f6",
              "versionType": "git"
            },
            {
              "lessThan": "4b9adb8d4a62ff7608d4a7d4eb42036a88f30980",
              "status": "affected",
              "version": "59fba11d649854134c75ad88c8adafa9304ac419",
              "versionType": "git"
            },
            {
              "lessThan": "8f6652ed2ad98fe6d13b903483d9257762ab2ec6",
              "status": "affected",
              "version": "21df0c2e7d195de4a3c650de9361b3037fa6c59a",
              "versionType": "git"
            },
            {
              "lessThan": "cde7b90e0539a3b11da377e463dfd2288a162dbf",
              "status": "affected",
              "version": "1d6d43d4805da9b3fa0f5841e8b1083c89868f35",
              "versionType": "git"
            },
            {
              "lessThan": "a641240b7e071c5538dc0e7894ece833fce459dd",
              "status": "affected",
              "version": "1d482e666b8e74c7555dbdfbfb77205eeed3ff2d",
              "versionType": "git"
            },
            {
              "lessThan": "61ffe8b1ee084e5c82a4e4bbf9e7b68e0c06e464",
              "status": "affected",
              "version": "1d482e666b8e74c7555dbdfbfb77205eeed3ff2d",
              "versionType": "git"
            },
            {
              "lessThan": "eb8e27c8fa9397b4a7b181c48fa58157dbe9902e",
              "status": "affected",
              "version": "1d482e666b8e74c7555dbdfbfb77205eeed3ff2d",
              "versionType": "git"
            },
            {
              "lessThan": "1556ba034b95cfd4f75ea93c1a2679ae0444bba1",
              "status": "affected",
              "version": "1d482e666b8e74c7555dbdfbfb77205eeed3ff2d",
              "versionType": "git"
            },
            {
              "lessThan": "8d61f926d42045961e6b65191c09e3678d86a9cf",
              "status": "affected",
              "version": "1d482e666b8e74c7555dbdfbfb77205eeed3ff2d",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "5f155c4046200f067b1dc3140ea99ef56e4e0b74",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "a8e9111a8625dd11e70edd61f7a1ccd26c041442",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "76cc8e04f38c2bbfcba07f62864a011f142bd40c",
              "versionType": "git"
            },
            {
              "lessThan": "4.14.322",
              "status": "affected",
              "version": "4.14.237",
              "versionType": "semver"
            },
            {
              "lessThan": "4.19.291",
              "status": "affected",
              "version": "4.19.195",
              "versionType": "semver"
            },
            {
              "lessThan": "5.4.251",
              "status": "affected",
              "version": "5.4.126",
              "versionType": "semver"
            },
            {
              "lessThan": "5.10.188",
              "status": "affected",
              "version": "5.10.44",
              "versionType": "semver"
            },
            {
              "lessThan": "4.5",
              "status": "affected",
              "version": "4.4.273",
              "versionType": "semver"
            },
            {
              "lessThan": "4.10",
              "status": "affected",
              "version": "4.9.273",
              "versionType": "semver"
            },
            {
              "lessThan": "5.13",
              "status": "affected",
              "version": "5.12.11",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "net/netlink/af_netlink.c",
            "net/netlink/diag.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.13"
            },
            {
              "lessThan": "5.13",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "4.14.*",
              "status": "unaffected",
              "version": "4.14.322",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "4.19.*",
              "status": "unaffected",
              "version": "4.19.291",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.4.*",
              "status": "unaffected",
              "version": "5.4.251",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.188",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.121",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.39",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.3.*",
              "status": "unaffected",
              "version": "6.3.13",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.4.*",
              "status": "unaffected",
              "version": "6.4.4",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.5",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "4.14.322",
                  "versionStartIncluding": "4.14.237",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "4.19.291",
                  "versionStartIncluding": "4.19.195",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.4.251",
                  "versionStartIncluding": "5.4.126",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.10.188",
                  "versionStartIncluding": "5.10.44",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.15.121",
                  "versionStartIncluding": "5.13",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.1.39",
                  "versionStartIncluding": "5.13",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.3.13",
                  "versionStartIncluding": "5.13",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.4.4",
                  "versionStartIncluding": "5.13",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.5",
                  "versionStartIncluding": "5.13",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionStartIncluding": "4.4.273",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionStartIncluding": "4.9.273",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionStartIncluding": "5.12.11",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetlink: fix potential deadlock in netlink_set_err()\n\nsyzbot reported a possible deadlock in netlink_set_err() [1]\n\nA similar issue was fixed in commit 1d482e666b8e (\"netlink: disable IRQs\nfor netlink_lock_table()\") in netlink_lock_table()\n\nThis patch adds IRQ safety to netlink_set_err() and __netlink_diag_dump()\nwhich were not covered by cited commit.\n\n[1]\n\nWARNING: possible irq lock inversion dependency detected\n6.4.0-rc6-syzkaller-00240-g4e9f0ec38852 #0 Not tainted\n\nsyz-executor.2/23011 just changed the state of lock:\nffffffff8e1a7a58 (nl_table_lock){.+.?}-{2:2}, at: netlink_set_err+0x2e/0x3a0 net/netlink/af_netlink.c:1612\nbut this lock was taken by another, SOFTIRQ-safe lock in the past:\n (\u0026local-\u003equeue_stop_reason_lock){..-.}-{2:2}\n\nand interrupts could create inverse lock ordering between them.\n\nother info that might help us debug this:\n Possible interrupt unsafe locking scenario:\n\n       CPU0                    CPU1\n       ----                    ----\n  lock(nl_table_lock);\n                               local_irq_disable();\n                               lock(\u0026local-\u003equeue_stop_reason_lock);\n                               lock(nl_table_lock);\n  \u003cInterrupt\u003e\n    lock(\u0026local-\u003equeue_stop_reason_lock);\n\n *** DEADLOCK ***"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-23T15:30:38.411Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/c09e8e3f7fd432984bf5422302b093d2371dfc48"
        },
        {
          "url": "https://git.kernel.org/stable/c/4b9adb8d4a62ff7608d4a7d4eb42036a88f30980"
        },
        {
          "url": "https://git.kernel.org/stable/c/8f6652ed2ad98fe6d13b903483d9257762ab2ec6"
        },
        {
          "url": "https://git.kernel.org/stable/c/cde7b90e0539a3b11da377e463dfd2288a162dbf"
        },
        {
          "url": "https://git.kernel.org/stable/c/a641240b7e071c5538dc0e7894ece833fce459dd"
        },
        {
          "url": "https://git.kernel.org/stable/c/61ffe8b1ee084e5c82a4e4bbf9e7b68e0c06e464"
        },
        {
          "url": "https://git.kernel.org/stable/c/eb8e27c8fa9397b4a7b181c48fa58157dbe9902e"
        },
        {
          "url": "https://git.kernel.org/stable/c/1556ba034b95cfd4f75ea93c1a2679ae0444bba1"
        },
        {
          "url": "https://git.kernel.org/stable/c/8d61f926d42045961e6b65191c09e3678d86a9cf"
        }
      ],
      "title": "netlink: fix potential deadlock in netlink_set_err()",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2023-53731",
    "datePublished": "2025-10-22T13:23:59.055Z",
    "dateReserved": "2025-10-22T13:21:37.349Z",
    "dateUpdated": "2026-05-23T15:30:38.411Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2023-53731",
      "date": "2026-11-15",
      "epss": "0.00231",
      "percentile": "0.14126"
    },
    "nvd": {
      "cve": {
        "affected": [
          {
            "affectedData": [
              {
                "defaultStatus": "unaffected",
                "product": "Linux",
                "programFiles": [
                  "net/netlink/af_netlink.c",
                  "net/netlink/diag.c"
                ],
                "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                "vendor": "Linux",
                "versions": [
                  {
                    "lessThan": "c09e8e3f7fd432984bf5422302b093d2371dfc48",
                    "status": "affected",
                    "version": "82b2ea5f904b3826934df4a00f3b8806272185f6",
                    "versionType": "git"
                  },
                  {
                    "lessThan": "4b9adb8d4a62ff7608d4a7d4eb42036a88f30980",
                    "status": "affected",
                    "version": "59fba11d649854134c75ad88c8adafa9304ac419",
                    "versionType": "git"
                  },
                  {
                    "lessThan": "8f6652ed2ad98fe6d13b903483d9257762ab2ec6",
                    "status": "affected",
                    "version": "21df0c2e7d195de4a3c650de9361b3037fa6c59a",
                    "versionType": "git"
                  },
                  {
                    "lessThan": "cde7b90e0539a3b11da377e463dfd2288a162dbf",
                    "status": "affected",
                    "version": "1d6d43d4805da9b3fa0f5841e8b1083c89868f35",
                    "versionType": "git"
                  },
                  {
                    "lessThan": "a641240b7e071c5538dc0e7894ece833fce459dd",
                    "status": "affected",
                    "version": "1d482e666b8e74c7555dbdfbfb77205eeed3ff2d",
                    "versionType": "git"
                  },
                  {
                    "lessThan": "61ffe8b1ee084e5c82a4e4bbf9e7b68e0c06e464",
                    "status": "affected",
                    "version": "1d482e666b8e74c7555dbdfbfb77205eeed3ff2d",
                    "versionType": "git"
                  },
                  {
                    "lessThan": "eb8e27c8fa9397b4a7b181c48fa58157dbe9902e",
                    "status": "affected",
                    "version": "1d482e666b8e74c7555dbdfbfb77205eeed3ff2d",
                    "versionType": "git"
                  },
                  {
                    "lessThan": "1556ba034b95cfd4f75ea93c1a2679ae0444bba1",
                    "status": "affected",
                    "version": "1d482e666b8e74c7555dbdfbfb77205eeed3ff2d",
                    "versionType": "git"
                  },
                  {
                    "lessThan": "8d61f926d42045961e6b65191c09e3678d86a9cf",
                    "status": "affected",
                    "version": "1d482e666b8e74c7555dbdfbfb77205eeed3ff2d",
                    "versionType": "git"
                  },
                  {
                    "status": "affected",
                    "version": "5f155c4046200f067b1dc3140ea99ef56e4e0b74",
                    "versionType": "git"
                  },
                  {
                    "status": "affected",
                    "version": "a8e9111a8625dd11e70edd61f7a1ccd26c041442",
                    "versionType": "git"
                  },
                  {
                    "status": "affected",
                    "version": "76cc8e04f38c2bbfcba07f62864a011f142bd40c",
                    "versionType": "git"
                  },
                  {
                    "lessThan": "4.14.322",
                    "status": "affected",
                    "version": "4.14.237",
                    "versionType": "semver"
                  },
                  {
                    "lessThan": "4.19.291",
                    "status": "affected",
                    "version": "4.19.195",
                    "versionType": "semver"
                  },
                  {
                    "lessThan": "5.4.251",
                    "status": "affected",
                    "version": "5.4.126",
                    "versionType": "semver"
                  },
                  {
                    "lessThan": "5.10.188",
                    "status": "affected",
                    "version": "5.10.44",
                    "versionType": "semver"
                  },
                  {
                    "lessThan": "4.5",
                    "status": "affected",
                    "version": "4.4.273",
                    "versionType": "semver"
                  },
                  {
                    "lessThan": "4.10",
                    "status": "affected",
                    "version": "4.9.273",
                    "versionType": "semver"
                  },
                  {
                    "lessThan": "5.13",
                    "status": "affected",
                    "version": "5.12.11",
                    "versionType": "semver"
                  }
                ]
              },
              {
                "defaultStatus": "affected",
                "product": "Linux",
                "programFiles": [
                  "net/netlink/af_netlink.c",
                  "net/netlink/diag.c"
                ],
                "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                "vendor": "Linux",
                "versions": [
                  {
                    "status": "affected",
                    "version": "5.13"
                  },
                  {
                    "lessThan": "5.13",
                    "status": "unaffected",
                    "version": "0",
                    "versionType": "semver"
                  },
                  {
                    "lessThanOrEqual": "4.14.*",
                    "status": "unaffected",
                    "version": "4.14.322",
                    "versionType": "semver"
                  },
                  {
                    "lessThanOrEqual": "4.19.*",
                    "status": "unaffected",
                    "version": "4.19.291",
                    "versionType": "semver"
                  },
                  {
                    "lessThanOrEqual": "5.4.*",
                    "status": "unaffected",
                    "version": "5.4.251",
                    "versionType": "semver"
                  },
                  {
                    "lessThanOrEqual": "5.10.*",
                    "status": "unaffected",
                    "version": "5.10.188",
                    "versionType": "semver"
                  },
                  {
                    "lessThanOrEqual": "5.15.*",
                    "status": "unaffected",
                    "version": "5.15.121",
                    "versionType": "semver"
                  },
                  {
                    "lessThanOrEqual": "6.1.*",
                    "status": "unaffected",
                    "version": "6.1.39",
                    "versionType": "semver"
                  },
                  {
                    "lessThanOrEqual": "6.3.*",
                    "status": "unaffected",
                    "version": "6.3.13",
                    "versionType": "semver"
                  },
                  {
                    "lessThanOrEqual": "6.4.*",
                    "status": "unaffected",
                    "version": "6.4.4",
                    "versionType": "semver"
                  },
                  {
                    "lessThanOrEqual": "*",
                    "status": "unaffected",
                    "version": "6.5",
                    "versionType": "original_commit_for_fix"
                  }
                ]
              }
            ],
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetlink: fix potential deadlock in netlink_set_err()\n\nsyzbot reported a possible deadlock in netlink_set_err() [1]\n\nA similar issue was fixed in commit 1d482e666b8e (\"netlink: disable IRQs\nfor netlink_lock_table()\") in netlink_lock_table()\n\nThis patch adds IRQ safety to netlink_set_err() and __netlink_diag_dump()\nwhich were not covered by cited commit.\n\n[1]\n\nWARNING: possible irq lock inversion dependency detected\n6.4.0-rc6-syzkaller-00240-g4e9f0ec38852 #0 Not tainted\n\nsyz-executor.2/23011 just changed the state of lock:\nffffffff8e1a7a58 (nl_table_lock){.+.?}-{2:2}, at: netlink_set_err+0x2e/0x3a0 net/netlink/af_netlink.c:1612\nbut this lock was taken by another, SOFTIRQ-safe lock in the past:\n (\u0026local-\u003equeue_stop_reason_lock){..-.}-{2:2}\n\nand interrupts could create inverse lock ordering between them.\n\nother info that might help us debug this:\n Possible interrupt unsafe locking scenario:\n\n       CPU0                    CPU1\n       ----                    ----\n  lock(nl_table_lock);\n                               local_irq_disable();\n                               lock(\u0026local-\u003equeue_stop_reason_lock);\n                               lock(nl_table_lock);\n  \u003cInterrupt\u003e\n    lock(\u0026local-\u003equeue_stop_reason_lock);\n\n *** DEADLOCK ***"
          },
          {
            "lang": "es",
            "value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\nnetlink: corrige un interbloqueo potencial en netlink_set_err()\n\nsyzbot inform\u00f3 un posible interbloqueo en netlink_set_err() [1]\n\nUn problema similar fue corregido en el commit 1d482e666b8e (\u2019netlink: deshabilitar IRQs para netlink_lock_table()\u2019) en netlink_lock_table()\n\nEste parche a\u00f1ade seguridad IRQ a netlink_set_err() y __netlink_diag_dump() que no estaban cubiertos por el commit citado.\n\n[1]\n\nADVERTENCIA: dependencia de inversi\u00f3n de bloqueo irq posible detectada\n6.4.0-rc6-syzkaller-00240-g4e9f0ec38852 #0 No contaminado\n\nsyz-executor.2/23011 acaba de cambiar el estado del bloqueo:\nffffffff8e1a7a58 (nl_table_lock){.+.?}-{2:2}, en: netlink_set_err+0x2e/0x3a0 net/netlink/af_netlink.c:1612\npero este bloqueo fue tomado por otro bloqueo seguro para SOFTIRQ en el pasado:\n(\u0026local -\u003e queue_stop_reason_lock){..-.}-{2:2}\n\ny las interrupciones podr\u00edan crear un orden de bloqueo inverso entre ellos.\n\notra informaci\u00f3n que podr\u00eda ayudarnos a depurar esto:\nPosible escenario de bloqueo inseguro por interrupci\u00f3n:\n\n       CPU0                    CPU1\n       ----                    ----\n  lock(nl_table_lock);\n                               local_irq_disable();\n                               lock(\u0026local -\u003e queue_stop_reason_lock);\n                               lock(nl_table_lock);\n  \u003cInterrupci\u00f3n\u003e\n    lock(\u0026local -\u003e queue_stop_reason_lock);\n\n* INTERBLOQUEO *"
          }
        ],
        "id": "CVE-2023-53731",
        "lastModified": "2026-10-28T19:10:00.193",
        "metrics": {},
        "published": "2025-10-22T14:15:48.423",
        "references": [
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "url": "https://git.kernel.org/stable/c/1556ba034b95cfd4f75ea93c1a2679ae0444bba1"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "url": "https://git.kernel.org/stable/c/4b9adb8d4a62ff7608d4a7d4eb42036a88f30980"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "url": "https://git.kernel.org/stable/c/61ffe8b1ee084e5c82a4e4bbf9e7b68e0c06e464"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "url": "https://git.kernel.org/stable/c/8d61f926d42045961e6b65191c09e3678d86a9cf"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "url": "https://git.kernel.org/stable/c/8f6652ed2ad98fe6d13b903483d9257762ab2ec6"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "url": "https://git.kernel.org/stable/c/a641240b7e071c5538dc0e7894ece833fce459dd"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "url": "https://git.kernel.org/stable/c/c09e8e3f7fd432984bf5422302b093d2371dfc48"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "url": "https://git.kernel.org/stable/c/cde7b90e0539a3b11da377e463dfd2288a162dbf"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "url": "https://git.kernel.org/stable/c/eb8e27c8fa9397b4a7b181c48fa58157dbe9902e"
          }
        ],
        "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "vulnStatus": "Deferred"
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Low",
      "current_release_date": "2026-11-07T10:51:28+00:00",
      "cve": "CVE-2023-53731",
      "id": "CVE-2023-53731",
      "initial_release_date": "2023-01-01T00:00:00+00:00",
      "product_status:fixed": "280",
      "product_status:known_affected": "112",
      "product_status:known_not_affected": "9",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: Kernel: Denial of Service due to a Netlink subsystem deadlock",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-53731.json",
      "version": "3"
    }
  }
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Drag nodes to arrange them. Double-click a related vulnerability to open it, or a source to visit its link. The Physics button on the left tunes the layout and the simulation; the legend at the bottom left hides or shows nodes by kind and by sighting type.

Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • 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.
Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

JSON
How durations are calculated

Following the VTEM framework (Black Hat USA 2015), time to patch starts when the vendor or a coordinator was informed, total time to patch at discovery, and disclosure to patch at public disclosure; vendor response time runs from the report to its acknowledgement. Time to exploit and time unpatched start at the earliest discovery or report, falling back to public disclosure. Unpatched time ends at the first recorded patch, or the calculation time when no patch is recorded. Exploitation to patch shows the interval between those two events; a published proof of concept is a public exploit, not exploitation.

Each result shows its source dates. A negative interval means the end event came first; when date-only inputs leave the order open, the result says so. Date-only inputs are approximate. The earliest evidence wins: KEV report dates and sightings are labelled as such. Records describing another vulnerability are listed but never calculated from, and a PoC alone does not establish exploitation. Missing patch evidence does not prove that no patch exists. Filters below change the event list only.

Loading timeline…




    Related by attack behaviour

    Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.