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kernel: Fix of 9 CVEs

Type: advisorySources: OSV

- rtmutex: Use waiter::task instead of current in remove_waiter() {CVE-2026-43499} - xfs: fix freemap adjustments when adding xattrs to leaf blocks {CVE-2026-43158} - xfs: delete attr leaf freemap entries when empty {CVE-2026-43158} - ALSA: 6fire: fix use-after-free on disconnect {CVE-2026-31581} - brcmfmac: add subtype check for event handling in data path {CVE-2019-9503} - nl80211: validate beacon head {CVE-2019-16746} - ALSA: usb-audio: Fix UAF decrement if card has no live interfaces in card.c {CVE-2018-19824} - media: dvb-net: fix OOB access in ULE extension header tables {CVE-2026-31405} - mac80211: Reject malformed SSID elements {CVE-2019-17133}

Products
kernel, kernel-abi-whitelists, kernel-debug, kernel-debug-devel, kernel-devel, kernel-doc, kernel-firmware, kernel-headers, perf, python-perf
Affected versions
Not specified
Fixed versions
2.6.32-754.35.8.el6.tuxcare.els33
CVEs
CVE-2018-19824, CVE-2019-16746, CVE-2019-17133, CVE-2019-9503, CVE-2026-31405, CVE-2026-31581, CVE-2026-43158, CVE-2026-43499
Confirmed fixed CVEs
Not specified
Updated in this feed
1 Nov 2026, 11:50 UTC · Revision 1

Source evidence

kernel: Fix of 9 CVEs

core-osv · Original source

Published 21 Oct 2026, 12:13 UTC

- rtmutex: Use waiter::task instead of current in remove_waiter() {CVE-2026-43499} - xfs: fix freemap adjustments when adding xattrs to leaf blocks {CVE-2026-43158} - xfs: delete attr leaf freemap entries when empty {CVE-2026-43158} - ALSA: 6fire: fix use-after-free on disconnect {CVE-2026-31581} - brcmfmac: add subtype check for event handling in data path {CVE-2019-9503} - nl80211: validate beacon head {CVE-2019-16746} - ALSA: usb-audio: Fix UAF decrement if card has no live interfaces in card.c {CVE-2018-19824} - media: dvb-net: fix OOB access in ULE extension header tables {CVE-2026-31405} - mac80211: Reject malformed SSID elements {CVE-2019-17133}

osv:CLSA-2026-1783789658

kernel

Fixed versions: 2.6.32-754.35.8.el6.tuxcare.els33

kernel-abi-whitelists

Fixed versions: 2.6.32-754.35.8.el6.tuxcare.els33

kernel-debug

Fixed versions: 2.6.32-754.35.8.el6.tuxcare.els33

kernel-debug-devel

Fixed versions: 2.6.32-754.35.8.el6.tuxcare.els33

kernel-devel

Fixed versions: 2.6.32-754.35.8.el6.tuxcare.els33

kernel-doc

Fixed versions: 2.6.32-754.35.8.el6.tuxcare.els33

kernel-firmware

Fixed versions: 2.6.32-754.35.8.el6.tuxcare.els33

kernel-headers

Fixed versions: 2.6.32-754.35.8.el6.tuxcare.els33

perf

Fixed versions: 2.6.32-754.35.8.el6.tuxcare.els33

python-perf

Fixed versions: 2.6.32-754.35.8.el6.tuxcare.els33

Complete source record
{
  "id": "a4e609f107b00ac2e795cc396e7ee8e0f44c49f222d3e91e0e5da3f0df54809b",
  "url": "https://osv.dev/vulnerability/CLSA-2026-1783789658",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "kernel: Fix of 9 CVEs",
    "summary": "- rtmutex: Use waiter::task instead of current in remove_waiter() {CVE-2026-43499} - xfs: fix freemap adjustments when adding xattrs to leaf blocks {CVE-2026-43158} - xfs: delete attr leaf freemap entries when empty {CVE-2026-43158} - ALSA: 6fire: fix use-after-free on disconnect {CVE-2026-31581} - brcmfmac: add subtype check for event handling in data path {CVE-2019-9503} - nl80211: validate beacon head {CVE-2019-16746} - ALSA: usb-audio: Fix UAF decrement if card has no live interfaces in card.c {CVE-2018-19824} - media: dvb-net: fix OOB access in ULE extension header tables {CVE-2026-31405} - mac80211: Reject malformed SSID elements {CVE-2019-17133}",
    "evidence": "osv:CLSA-2026-1783789658",
    "products": [
      {
        "name": {
          "value": "kernel",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "2.6.32-754.35.8.el6.tuxcare.els33",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "kernel-abi-whitelists",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "2.6.32-754.35.8.el6.tuxcare.els33",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "kernel-debug",
          "evidence": "/affected/2/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "2.6.32-754.35.8.el6.tuxcare.els33",
            "evidence": "/affected/2/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "kernel-debug-devel",
          "evidence": "/affected/3/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "2.6.32-754.35.8.el6.tuxcare.els33",
            "evidence": "/affected/3/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "kernel-devel",
          "evidence": "/affected/4/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "2.6.32-754.35.8.el6.tuxcare.els33",
            "evidence": "/affected/4/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "kernel-doc",
          "evidence": "/affected/5/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "2.6.32-754.35.8.el6.tuxcare.els33",
            "evidence": "/affected/5/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "kernel-firmware",
          "evidence": "/affected/6/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "2.6.32-754.35.8.el6.tuxcare.els33",
            "evidence": "/affected/6/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "kernel-headers",
          "evidence": "/affected/7/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "2.6.32-754.35.8.el6.tuxcare.els33",
            "evidence": "/affected/7/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "perf",
          "evidence": "/affected/8/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "2.6.32-754.35.8.el6.tuxcare.els33",
            "evidence": "/affected/8/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "python-perf",
          "evidence": "/affected/9/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "2.6.32-754.35.8.el6.tuxcare.els33",
            "evidence": "/affected/9/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CLSA-2026-1783789658",
      "aliases": [
        "CLSA-2026-1783789658"
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "2.6.32-754.35.8.el6.tuxcare.els33"
                }
              ]
            }
          ],
          "package": {
            "name": "kernel",
            "purl": "pkg:rpm/tuxcare/kernel?distro=centos-6",
            "ecosystem": "TuxCare:CentOS:6"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos6els/CLSA-2026-1783789658.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "2.6.32-754.35.8.el6.tuxcare.els33"
                }
              ]
            }
          ],
          "package": {
            "name": "kernel-abi-whitelists",
            "purl": "pkg:rpm/tuxcare/kernel-abi-whitelists?distro=centos-6",
            "ecosystem": "TuxCare:CentOS:6"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos6els/CLSA-2026-1783789658.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "2.6.32-754.35.8.el6.tuxcare.els33"
                }
              ]
            }
          ],
          "package": {
            "name": "kernel-debug",
            "purl": "pkg:rpm/tuxcare/kernel-debug?distro=centos-6",
            "ecosystem": "TuxCare:CentOS:6"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos6els/CLSA-2026-1783789658.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "2.6.32-754.35.8.el6.tuxcare.els33"
                }
              ]
            }
          ],
          "package": {
            "name": "kernel-debug-devel",
            "purl": "pkg:rpm/tuxcare/kernel-debug-devel?distro=centos-6",
            "ecosystem": "TuxCare:CentOS:6"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos6els/CLSA-2026-1783789658.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "2.6.32-754.35.8.el6.tuxcare.els33"
                }
              ]
            }
          ],
          "package": {
            "name": "kernel-devel",
            "purl": "pkg:rpm/tuxcare/kernel-devel?distro=centos-6",
            "ecosystem": "TuxCare:CentOS:6"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos6els/CLSA-2026-1783789658.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "2.6.32-754.35.8.el6.tuxcare.els33"
                }
              ]
            }
          ],
          "package": {
            "name": "kernel-doc",
            "purl": "pkg:rpm/tuxcare/kernel-doc?distro=centos-6",
            "ecosystem": "TuxCare:CentOS:6"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos6els/CLSA-2026-1783789658.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "2.6.32-754.35.8.el6.tuxcare.els33"
                }
              ]
            }
          ],
          "package": {
            "name": "kernel-firmware",
            "purl": "pkg:rpm/tuxcare/kernel-firmware?distro=centos-6",
            "ecosystem": "TuxCare:CentOS:6"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos6els/CLSA-2026-1783789658.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "2.6.32-754.35.8.el6.tuxcare.els33"
                }
              ]
            }
          ],
          "package": {
            "name": "kernel-headers",
            "purl": "pkg:rpm/tuxcare/kernel-headers?distro=centos-6",
            "ecosystem": "TuxCare:CentOS:6"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos6els/CLSA-2026-1783789658.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "2.6.32-754.35.8.el6.tuxcare.els33"
                }
              ]
            }
          ],
          "package": {
            "name": "perf",
            "purl": "pkg:rpm/tuxcare/perf?distro=centos-6",
            "ecosystem": "TuxCare:CentOS:6"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos6els/CLSA-2026-1783789658.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "2.6.32-754.35.8.el6.tuxcare.els33"
                }
              ]
            }
          ],
          "package": {
            "name": "python-perf",
            "purl": "pkg:rpm/tuxcare/python-perf?distro=centos-6",
            "ecosystem": "TuxCare:CentOS:6"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos6els/CLSA-2026-1783789658.json"
          }
        }
      ],
      "modified": "2026-10-26T09:43:34.734147316Z",
      "provider": "osv",
      "upstream": [
        "CVE-2018-19824",
        "CVE-2019-16746",
        "CVE-2019-17133",
        "CVE-2019-9503",
        "CVE-2026-31405",
        "CVE-2026-31581",
        "CVE-2026-43158",
        "CVE-2026-43499"
      ],
      "references": [
        "https://errata.tuxcare.com/els_os/centos6els/CLSA-2026-1783789658.html",
        "https://nvd.nist.gov/vuln/detail/CVE-2018-19824",
        "https://nvd.nist.gov/vuln/detail/CVE-2019-16746",
        "https://nvd.nist.gov/vuln/detail/CVE-2019-17133",
        "https://nvd.nist.gov/vuln/detail/CVE-2019-9503",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-31405",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-31581",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-43158",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-43187",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-43499"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2018-19824",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2019-16746",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2019-17133",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2019-9503",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-31405",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-31581",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-43158",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-43499",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 449999,
  "published_at": "2026-10-21T12:13:40+00:00"
}