CVE-2023-53330 caif: fix memory leak in cfctrl_linkup_request()

🗓️ 16 Sep 2025 16:12:06Reported by LinuxType

Linux kernel fix for CVE-2023-53330; release pkt on error in cfctrl_linkup_request when linktype is unknown or kzalloc failed.

Reporter	Title	Published	Views	Family All 54
AstraLinux	Astra Linux - уязвимость в linux-5.10, linux	20 May 202605:53	–	astralinux
CNNVD	Linux kernel 安全漏洞	16 Sep 202500:00	–	cnnvd
CVE	CVE-2023-53330	16 Sep 202516:12	–	cve
Debian CVE	CVE-2023-53330	16 Sep 202516:12	–	debiancve
EUVD	EUVD-2023-59931	3 Oct 202520:07	–	euvd
NVD	CVE-2023-53330	16 Sep 202517:15	–	nvd
OSV	BELL-CVE-2023-53330	17 Sep 202506:04	–	osv
OSV	CVE-2023-53330 caif: fix memory leak in cfctrl_linkup_request()	16 Sep 202516:12	–	osv
OSV	DEBIAN-CVE-2023-53330	16 Sep 202517:15	–	osv
OSV	SUSE-SU-2025:03615-1 Security update for the Linux Kernel	16 Oct 202505:49	–	osv

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/caif/cfctrl.c"
    ],
    "versions": [
      {
        "version": "b482cd2053e3b90a7b33a78c63cdb6badf2ec383",
        "lessThan": "badea57569db04b010e922e29a7aaf40a979a70b",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "b482cd2053e3b90a7b33a78c63cdb6badf2ec383",
        "lessThan": "3acf3783a84cbdf0c9f8cf2f32ee9c49af93a2da",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "b482cd2053e3b90a7b33a78c63cdb6badf2ec383",
        "lessThan": "33df9c5d5e2a18c70f5f5f3c2757d654c1b6ffa3",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "b482cd2053e3b90a7b33a78c63cdb6badf2ec383",
        "lessThan": "84b2cc7b36b7f6957d307fb3d01603f93cb2d655",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "b482cd2053e3b90a7b33a78c63cdb6badf2ec383",
        "lessThan": "dc1bc903970bdf63ca40ab923d3ccb765da9a8d9",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "b482cd2053e3b90a7b33a78c63cdb6badf2ec383",
        "lessThan": "1dddeceb26002cfea4c375e92ac6498768dc7349",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "b482cd2053e3b90a7b33a78c63cdb6badf2ec383",
        "lessThan": "3ad47c8aa5648226184415e4a0cb1bf67ffbfd48",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "b482cd2053e3b90a7b33a78c63cdb6badf2ec383",
        "lessThan": "fe69230f05897b3de758427b574fc98025dfc907",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/caif/cfctrl.c"
    ],
    "versions": [
      {
        "version": "2.6.35",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "2.6.35",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "4.14.303",
        "lessThanOrEqual": "4.14.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "4.19.270",
        "lessThanOrEqual": "4.19.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.4.229",
        "lessThanOrEqual": "5.4.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.163",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.87",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.0.19",
        "lessThanOrEqual": "6.0.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.5",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.2",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

Source	Link
git	www.git.kernel.org/stable/c/badea57569db04b010e922e29a7aaf40a979a70b
git	www.git.kernel.org/stable/c/3acf3783a84cbdf0c9f8cf2f32ee9c49af93a2da
git	www.git.kernel.org/stable/c/84b2cc7b36b7f6957d307fb3d01603f93cb2d655
git	www.git.kernel.org/stable/c/dc1bc903970bdf63ca40ab923d3ccb765da9a8d9
git	www.git.kernel.org/stable/c/fe69230f05897b3de758427b574fc98025dfc907
git	www.git.kernel.org/stable/c/33df9c5d5e2a18c70f5f5f3c2757d654c1b6ffa3
git	www.git.kernel.org/stable/c/1dddeceb26002cfea4c375e92ac6498768dc7349
git	www.git.kernel.org/stable/c/3ad47c8aa5648226184415e4a0cb1bf67ffbfd48

11 May 2026 19:42Current

EPSS0.00021