{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "a51c328df3106663879645680609eb49b3ff6444"
            },
            {
              "fixed": "8b1251bbf0f10ac745ed74bad4d3b433caa1eeae"
            },
            {
              "fixed": "dfc314d7c767e350f78a46a8f8b134f80e8ad432"
            },
            {
              "fixed": "035d0d09d5ab3ed3e93d18cde2b562a6719eea23"
            },
            {
              "fixed": "04d75529dc0f9be78786162ebab7424af4644df2"
            },
            {
              "fixed": "58b162e318d0243ad2d7d92456c0873f2494c351"
            },
            {
              "fixed": "62413a9c3cb183afb9bb6e94dd68caf4e4145f4c"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "5.8.0"
            },
            {
              "fixed": "6.1.167"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.6.130"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.78"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.18"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "6.19.8"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/23xxx/CVE-2026-23245.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/sched: act_gate: snapshot parameters with RCU on replace\n\nThe gate action can be replaced while the hrtimer callback or dump path is\nwalking the schedule list.\n\nConvert the parameters to an RCU-protected snapshot and swap updates under\ntcf_lock, freeing the previous snapshot via call_rcu(). When REPLACE omits\nthe entry list, preserve the existing schedule so the effective state is\nunchanged.",
  "id": "CVE-2026-23245",
  "modified": "2026-04-01T23:08:07.139854083Z",
  "published": "2026-03-18T10:05:07.406Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/035d0d09d5ab3ed3e93d18cde2b562a6719eea23"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/04d75529dc0f9be78786162ebab7424af4644df2"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/58b162e318d0243ad2d7d92456c0873f2494c351"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/62413a9c3cb183afb9bb6e94dd68caf4e4145f4c"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/8b1251bbf0f10ac745ed74bad4d3b433caa1eeae"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/dfc314d7c767e350f78a46a8f8b134f80e8ad432"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/23xxx/CVE-2026-23245.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-23245"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.7.3",
  "summary": "net/sched: act_gate: snapshot parameters with RCU on replace"
}