CVE-2026-23023 (GCVE-0-2026-23023)

Vulnerability from cvelistv5 – Published: 2026-01-31 11:39 – Updated: 2026-01-31 11:39
VLAI?
Title
idpf: fix memory leak in idpf_vport_rel()
Summary
In the Linux kernel, the following vulnerability has been resolved: idpf: fix memory leak in idpf_vport_rel() Free vport->rx_ptype_lkup in idpf_vport_rel() to avoid leaking memory during a reset. Reported by kmemleak: unreferenced object 0xff450acac838a000 (size 4096): comm "kworker/u258:5", pid 7732, jiffies 4296830044 hex dump (first 32 bytes): 00 00 00 00 00 10 00 00 00 10 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 10 00 00 00 00 00 00 ................ backtrace (crc 3da81902): __kmalloc_cache_noprof+0x469/0x7a0 idpf_send_get_rx_ptype_msg+0x90/0x570 [idpf] idpf_init_task+0x1ec/0x8d0 [idpf] process_one_work+0x226/0x6d0 worker_thread+0x19e/0x340 kthread+0x10f/0x250 ret_from_fork+0x251/0x2b0 ret_from_fork_asm+0x1a/0x30
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 0fe45467a1041ea3657a7fa3a791c84c104fbd34 , < a4212d6732e3f674c6cc7d0b642f276d827e8f94 (git)
Affected: 0fe45467a1041ea3657a7fa3a791c84c104fbd34 , < ec602a2a4071eb956d656ba968c58fee09f0622d (git)
Affected: 0fe45467a1041ea3657a7fa3a791c84c104fbd34 , < f6242b354605faff263ca45882b148200915a3f6 (git)
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    Linux Linux Affected: 6.7
Unaffected: 0 , < 6.7 (semver)
Unaffected: 6.12.66 , ≤ 6.12.* (semver)
Unaffected: 6.18.6 , ≤ 6.18.* (semver)
Unaffected: 6.19-rc5 , ≤ * (original_commit_for_fix)
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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/ethernet/intel/idpf/idpf_lib.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "a4212d6732e3f674c6cc7d0b642f276d827e8f94",
              "status": "affected",
              "version": "0fe45467a1041ea3657a7fa3a791c84c104fbd34",
              "versionType": "git"
            },
            {
              "lessThan": "ec602a2a4071eb956d656ba968c58fee09f0622d",
              "status": "affected",
              "version": "0fe45467a1041ea3657a7fa3a791c84c104fbd34",
              "versionType": "git"
            },
            {
              "lessThan": "f6242b354605faff263ca45882b148200915a3f6",
              "status": "affected",
              "version": "0fe45467a1041ea3657a7fa3a791c84c104fbd34",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/ethernet/intel/idpf/idpf_lib.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.7"
            },
            {
              "lessThan": "6.7",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.66",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.6",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.19-rc5",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.66",
                  "versionStartIncluding": "6.7",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18.6",
                  "versionStartIncluding": "6.7",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.19-rc5",
                  "versionStartIncluding": "6.7",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nidpf: fix memory leak in idpf_vport_rel()\n\nFree vport-\u003erx_ptype_lkup in idpf_vport_rel() to avoid leaking memory\nduring a reset. Reported by kmemleak:\n\nunreferenced object 0xff450acac838a000 (size 4096):\n  comm \"kworker/u258:5\", pid 7732, jiffies 4296830044\n  hex dump (first 32 bytes):\n    00 00 00 00 00 10 00 00 00 10 00 00 00 00 00 00  ................\n    00 00 00 00 00 00 00 00 00 10 00 00 00 00 00 00  ................\n  backtrace (crc 3da81902):\n    __kmalloc_cache_noprof+0x469/0x7a0\n    idpf_send_get_rx_ptype_msg+0x90/0x570 [idpf]\n    idpf_init_task+0x1ec/0x8d0 [idpf]\n    process_one_work+0x226/0x6d0\n    worker_thread+0x19e/0x340\n    kthread+0x10f/0x250\n    ret_from_fork+0x251/0x2b0\n    ret_from_fork_asm+0x1a/0x30"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-01-31T11:39:06.718Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/a4212d6732e3f674c6cc7d0b642f276d827e8f94"
        },
        {
          "url": "https://git.kernel.org/stable/c/ec602a2a4071eb956d656ba968c58fee09f0622d"
        },
        {
          "url": "https://git.kernel.org/stable/c/f6242b354605faff263ca45882b148200915a3f6"
        }
      ],
      "title": "idpf: fix memory leak in idpf_vport_rel()",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-23023",
    "datePublished": "2026-01-31T11:39:06.718Z",
    "dateReserved": "2026-01-13T15:37:45.941Z",
    "dateUpdated": "2026-01-31T11:39:06.718Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-23023\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2026-01-31T12:16:05.617\",\"lastModified\":\"2026-01-31T12:16:05.617\",\"vulnStatus\":\"Received\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nidpf: fix memory leak in idpf_vport_rel()\\n\\nFree vport-\u003erx_ptype_lkup in idpf_vport_rel() to avoid leaking memory\\nduring a reset. Reported by kmemleak:\\n\\nunreferenced object 0xff450acac838a000 (size 4096):\\n  comm \\\"kworker/u258:5\\\", pid 7732, jiffies 4296830044\\n  hex dump (first 32 bytes):\\n    00 00 00 00 00 10 00 00 00 10 00 00 00 00 00 00  ................\\n    00 00 00 00 00 00 00 00 00 10 00 00 00 00 00 00  ................\\n  backtrace (crc 3da81902):\\n    __kmalloc_cache_noprof+0x469/0x7a0\\n    idpf_send_get_rx_ptype_msg+0x90/0x570 [idpf]\\n    idpf_init_task+0x1ec/0x8d0 [idpf]\\n    process_one_work+0x226/0x6d0\\n    worker_thread+0x19e/0x340\\n    kthread+0x10f/0x250\\n    ret_from_fork+0x251/0x2b0\\n    ret_from_fork_asm+0x1a/0x30\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/a4212d6732e3f674c6cc7d0b642f276d827e8f94\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/ec602a2a4071eb956d656ba968c58fee09f0622d\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/f6242b354605faff263ca45882b148200915a3f6\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}


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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.