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kernel: Fix of 5 CVEs

Type: advisorySources: OSV

- ext4: fix possible UAF when remounting r/o a mmp-protected file system {CVE-2021-47342} - ext4: fix memory leak in ext4_fill_super - net: defer final 'struct net' free in netns dismantle {CVE-2024-56658} - net/sched: sch_qfq: Fix race condition on qfq_aggregate {CVE-2025-38477} - ALSA: usb-audio: Fix an out-of-bounds bug in __snd_usb_parse_audio_interface() {CVE-2022-48701} - fix: virtio-net: Add validation for used length {CVE-2021-47352}

Products
bpftool, kernel, kernel-debug, kernel-debug-devel, kernel-devel, kernel-headers, kernel-tools, kernel-tools-libs, kernel-tools-libs-devel, perf, python-perf
Affected versions
Not specified
Fixed versions
3.10.0-1160.139.1.el7.tuxcare.els2
CVEs
CVE-2021-47342, CVE-2021-47352, CVE-2022-48701, CVE-2024-56658, CVE-2025-38477
Confirmed fixed CVEs
Not specified
Updated in this feed
31 Oct 2026, 14:07 UTC · Revision 1

Source evidence

kernel: Fix of 5 CVEs

core-osv · Original source

Published 5 Nov 2025, 17:35 UTC

- ext4: fix possible UAF when remounting r/o a mmp-protected file system {CVE-2021-47342} - ext4: fix memory leak in ext4_fill_super - net: defer final 'struct net' free in netns dismantle {CVE-2024-56658} - net/sched: sch_qfq: Fix race condition on qfq_aggregate {CVE-2025-38477} - ALSA: usb-audio: Fix an out-of-bounds bug in __snd_usb_parse_audio_interface() {CVE-2022-48701} - fix: virtio-net: Add validation for used length {CVE-2021-47352}

osv:CLSA-2025-1762244592

bpftool

Fixed versions: 3.10.0-1160.139.1.el7.tuxcare.els2

kernel

Fixed versions: 3.10.0-1160.139.1.el7.tuxcare.els2

kernel-debug

Fixed versions: 3.10.0-1160.139.1.el7.tuxcare.els2

kernel-debug-devel

Fixed versions: 3.10.0-1160.139.1.el7.tuxcare.els2

kernel-devel

Fixed versions: 3.10.0-1160.139.1.el7.tuxcare.els2

kernel-headers

Fixed versions: 3.10.0-1160.139.1.el7.tuxcare.els2

kernel-tools

Fixed versions: 3.10.0-1160.139.1.el7.tuxcare.els2

kernel-tools-libs

Fixed versions: 3.10.0-1160.139.1.el7.tuxcare.els2

kernel-tools-libs-devel

Fixed versions: 3.10.0-1160.139.1.el7.tuxcare.els2

perf

Fixed versions: 3.10.0-1160.139.1.el7.tuxcare.els2

python-perf

Fixed versions: 3.10.0-1160.139.1.el7.tuxcare.els2

Complete source record
{
  "id": "62780307f513f2711523cd485f52bde39c5dc9cfc71d3d2158caad42498f7320",
  "url": "https://osv.dev/vulnerability/CLSA-2025-1762244592",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "kernel: Fix of 5 CVEs",
    "summary": "- ext4: fix possible UAF when remounting r/o a mmp-protected file system {CVE-2021-47342} - ext4: fix memory leak in ext4_fill_super - net: defer final 'struct net' free in netns dismantle {CVE-2024-56658} - net/sched: sch_qfq: Fix race condition on qfq_aggregate {CVE-2025-38477} - ALSA: usb-audio: Fix an out-of-bounds bug in __snd_usb_parse_audio_interface() {CVE-2022-48701} - fix: virtio-net: Add validation for used length {CVE-2021-47352}",
    "evidence": "osv:CLSA-2025-1762244592",
    "products": [
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        "name": {
          "value": "bpftool",
          "evidence": "/affected/0/package/name"
        },
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        "fixed_versions": [
          {
            "value": "3.10.0-1160.139.1.el7.tuxcare.els2",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "kernel",
          "evidence": "/affected/1/package/name"
        },
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      {
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      {
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          "evidence": "/affected/7/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
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        ],
        "affected_versions": []
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      {
        "name": {
          "value": "kernel-tools-libs-devel",
          "evidence": "/affected/8/package/name"
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        "fixed_versions": [
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            "value": "3.10.0-1160.139.1.el7.tuxcare.els2",
            "evidence": "/affected/8/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "perf",
          "evidence": "/affected/9/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "3.10.0-1160.139.1.el7.tuxcare.els2",
            "evidence": "/affected/9/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "python-perf",
          "evidence": "/affected/10/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
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            "evidence": "/affected/10/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CLSA-2025-1762244592",
      "aliases": [
        "CLSA-2025-1762244592"
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
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                {
                  "fixed": "3.10.0-1160.139.1.el7.tuxcare.els2"
                }
              ]
            }
          ],
          "package": {
            "name": "bpftool",
            "purl": "pkg:rpm/tuxcare/bpftool?distro=oraclelinux-7",
            "ecosystem": "TuxCare:OracleLinux:7"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/oraclelinux7els/CLSA-2025-1762244592.json"
          }
        },
        {
          "ranges": [
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              "events": [
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                  "fixed": "3.10.0-1160.139.1.el7.tuxcare.els2"
                }
              ]
            }
          ],
          "package": {
            "name": "kernel",
            "purl": "pkg:rpm/tuxcare/kernel?distro=oraclelinux-7",
            "ecosystem": "TuxCare:OracleLinux:7"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/oraclelinux7els/CLSA-2025-1762244592.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "3.10.0-1160.139.1.el7.tuxcare.els2"
                }
              ]
            }
          ],
          "package": {
            "name": "kernel-debug",
            "purl": "pkg:rpm/tuxcare/kernel-debug?distro=oraclelinux-7",
            "ecosystem": "TuxCare:OracleLinux:7"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/oraclelinux7els/CLSA-2025-1762244592.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
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                {
                  "fixed": "3.10.0-1160.139.1.el7.tuxcare.els2"
                }
              ]
            }
          ],
          "package": {
            "name": "kernel-debug-devel",
            "purl": "pkg:rpm/tuxcare/kernel-debug-devel?distro=oraclelinux-7",
            "ecosystem": "TuxCare:OracleLinux:7"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/oraclelinux7els/CLSA-2025-1762244592.json"
          }
        },
        {
          "ranges": [
            {
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              "events": [
                {
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                },
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                }
              ]
            }
          ],
          "package": {
            "name": "kernel-devel",
            "purl": "pkg:rpm/tuxcare/kernel-devel?distro=oraclelinux-7",
            "ecosystem": "TuxCare:OracleLinux:7"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/oraclelinux7els/CLSA-2025-1762244592.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
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                },
                {
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                }
              ]
            }
          ],
          "package": {
            "name": "kernel-headers",
            "purl": "pkg:rpm/tuxcare/kernel-headers?distro=oraclelinux-7",
            "ecosystem": "TuxCare:OracleLinux:7"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/oraclelinux7els/CLSA-2025-1762244592.json"
          }
        },
        {
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            }
          ],
          "package": {
            "name": "kernel-tools",
            "purl": "pkg:rpm/tuxcare/kernel-tools?distro=oraclelinux-7",
            "ecosystem": "TuxCare:OracleLinux:7"
          },
          "database_specific": {
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          },
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          },
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            "ecosystem": "TuxCare:OracleLinux:7"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/oraclelinux7els/CLSA-2025-1762244592.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
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                },
                {
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                }
              ]
            }
          ],
          "package": {
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            "purl": "pkg:rpm/tuxcare/python-perf?distro=oraclelinux-7",
            "ecosystem": "TuxCare:OracleLinux:7"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/oraclelinux7els/CLSA-2025-1762244592.json"
          }
        }
      ],
      "modified": "2026-10-21T10:48:12.353775629Z",
      "provider": "osv",
      "upstream": [
        "CVE-2021-47342",
        "CVE-2021-47352",
        "CVE-2022-48701",
        "CVE-2024-56658",
        "CVE-2025-38477"
      ],
      "references": [
        "https://errata.tuxcare.com/els_os/oraclelinux7els/CLSA-2025-1762244592.html"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2021-47342",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2021-47352",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2022-48701",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2024-56658",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2025-38477",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 392868,
  "published_at": "2025-11-05T17:35:07+00:00"
}