CVE-2026-72307 mlxsw: fix refcount leak in mlxsw_sp_vrs_lpm_tree_replace()

🗓️ 15 Aug 2026 05:55:24Reported by LinuxType

mlxsw refcount leak in LPM tree rollback loop fails to revert prior VR replacements.

Reporter	Title	Published	Views	Family All 15
Tenable Nessus	Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.10-2026-129 (ALASKERNEL-5.10-2026-129)	18 Aug 202600:00	–	nessus
Tenable Nessus	Photon OS 5.0: Linux PHSA-2026-5.0-92-0952	12 Aug 202600:00	–	nessus
Tenable Nessus	Linux Distros Unpatched Vulnerability : CVE-2026-72307	18 Aug 202600:00	–	nessus
CVE	CVE-2026-72307	15 Aug 202605:55	–	cve
Debian CVE	CVE-2026-72307	15 Aug 202605:55	–	debiancve
Oracle linux	Unbreakable Enterprise kernel security update	4 Sep 202600:00	–	oraclelinux
EUVD	EUVD-2026-59206	15 Aug 202605:55	–	euvd
NVD	CVE-2026-72307	15 Aug 202606:22	–	nvd
OSV	BELL-CVE-2026-72307	18 Aug 202606:06	–	osv
OSV	DEBIAN-CVE-2026-72307	15 Aug 202606:22	–	osv

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c"
    ],
    "versions": [
      {
        "version": "fc922bb0dd9406dd9897fd47df958789891c380e",
        "lessThan": "c2c75c45b54f3b12eafb28a4eb47f8821512c1aa",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "fc922bb0dd9406dd9897fd47df958789891c380e",
        "lessThan": "7203ac71d3895fa5948b319dd724f0e1cffbc4a1",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "fc922bb0dd9406dd9897fd47df958789891c380e",
        "lessThan": "f6454a5fbf2224ad30ec70e686a6c592561da1f2",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "fc922bb0dd9406dd9897fd47df958789891c380e",
        "lessThan": "220d41bdce41fe5a39a7f419faab1e907b4093c2",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "fc922bb0dd9406dd9897fd47df958789891c380e",
        "lessThan": "9e4a6185679922305ea1df68403f00ccc512656b",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "fc922bb0dd9406dd9897fd47df958789891c380e",
        "lessThan": "3a2b47d1b4b3de54d030a7fdb6a322c970513ee3",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "fc922bb0dd9406dd9897fd47df958789891c380e",
        "lessThan": "8adebf07b46df79a0e49a6d4ae384f0db7c91db6",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "fc922bb0dd9406dd9897fd47df958789891c380e",
        "lessThan": "21cf8dc478a49e8de039c2739b1646a774cb1944",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c"
    ],
    "versions": [
      {
        "version": "4.14",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "4.14",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.261",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.212",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.178",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.145",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.97",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.40",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1.5",
        "lessThanOrEqual": "7.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

Source	Link
git	www.git.kernel.org/stable/c/220d41bdce41fe5a39a7f419faab1e907b4093c2
git	www.git.kernel.org/stable/c/f6454a5fbf2224ad30ec70e686a6c592561da1f2
git	www.git.kernel.org/stable/c/c2c75c45b54f3b12eafb28a4eb47f8821512c1aa
git	www.git.kernel.org/stable/c/3a2b47d1b4b3de54d030a7fdb6a322c970513ee3
git	www.git.kernel.org/stable/c/21cf8dc478a49e8de039c2739b1646a774cb1944
git	www.git.kernel.org/stable/c/9e4a6185679922305ea1df68403f00ccc512656b
git	www.git.kernel.org/stable/c/7203ac71d3895fa5948b319dd724f0e1cffbc4a1
git	www.git.kernel.org/stable/c/8adebf07b46df79a0e49a6d4ae384f0db7c91db6

17 Aug 2026 05:12Current

EPSS0.0022