CVE-2021-47086 phonet/pep: refuse to enable an unbound pipe

🗓️ 04 Mar 2024 18:06:12Reported by LinuxType

CVE-2021-47086 phonet/pep: unbound pipe vulnerability fixed in Linux kerne

Reporter	Title	Published	Views	Family All 43
AstraLinux	Astra Linux – Vulnerability in Linux, Linux 5.10	3 May 202623:59	–	astralinux
BDU FSTEC	The vulnerability of the phonet/pep component in the Linux operating system’s kernel allows a hacker to trigger a service failure.	23 Oct 202400:00	–	bdu_fstec
Circl	CVE-2021-47086	4 Mar 202419:26	–	circl
CNNVD	Linux kernel security vulnerabilities	4 Mar 202400:00	–	cnnvd
CVE	CVE-2021-47086	4 Mar 202418:06	–	cve
Debian CVE	CVE-2021-47086	4 Mar 202418:06	–	debiancve
NVD	CVE-2021-47086	4 Mar 202418:15	–	nvd
OpenVAS	openSUSE Security Advisory (SUSE-SU-2024:2947-1)	20 Aug 202400:00	–	openvas
OpenVAS	Ubuntu: Security Advisory (USN-7183-1)	7 Jan 202500:00	–	openvas
OpenVAS	Ubuntu: Security Advisory (USN-7184-1)	7 Jan 202500:00	–	openvas

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/phonet/pep.c"
    ],
    "versions": [
      {
        "version": "bdb6e697b2a76c541960b86ab8fda88f3de1adf2",
        "lessThan": "0bbdd62ce9d44f3a22059b3d20a0df977d9f6d59",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "bdb6e697b2a76c541960b86ab8fda88f3de1adf2",
        "lessThan": "b10c7d745615a092a50c2e03ce70446d2bec2aca",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "bdb6e697b2a76c541960b86ab8fda88f3de1adf2",
        "lessThan": "311601f114859d586d5ef8833d60d3aa23282161",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "bdb6e697b2a76c541960b86ab8fda88f3de1adf2",
        "lessThan": "982b6ba1ce626ef87e5c29f26f2401897554f235",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "bdb6e697b2a76c541960b86ab8fda88f3de1adf2",
        "lessThan": "48c76fc53582e7f13c1e0b11c916e503256c4d0b",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "bdb6e697b2a76c541960b86ab8fda88f3de1adf2",
        "lessThan": "52ad5da8e316fa11e3a50b3f089aa63e4089bf52",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "bdb6e697b2a76c541960b86ab8fda88f3de1adf2",
        "lessThan": "53ccdc73eedaf0e922c45b569b797d2796fbaafa",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "bdb6e697b2a76c541960b86ab8fda88f3de1adf2",
        "lessThan": "75a2f31520095600f650597c0ac41f48b5ba0068",
        "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/phonet/pep.c"
    ],
    "versions": [
      {
        "version": "3.3",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "3.3",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "4.4.297",
        "lessThanOrEqual": "4.4.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "4.9.295",
        "lessThanOrEqual": "4.9.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "4.14.260",
        "lessThanOrEqual": "4.14.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "4.19.223",
        "lessThanOrEqual": "4.19.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.4.169",
        "lessThanOrEqual": "5.4.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.89",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.12",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.16",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

Source	Link
git	www.git.kernel.org/stable/c/0bbdd62ce9d44f3a22059b3d20a0df977d9f6d59
git	www.git.kernel.org/stable/c/311601f114859d586d5ef8833d60d3aa23282161
git	www.git.kernel.org/stable/c/52ad5da8e316fa11e3a50b3f089aa63e4089bf52
git	www.git.kernel.org/stable/c/53ccdc73eedaf0e922c45b569b797d2796fbaafa
git	www.git.kernel.org/stable/c/b10c7d745615a092a50c2e03ce70446d2bec2aca
git	www.git.kernel.org/stable/c/982b6ba1ce626ef87e5c29f26f2401897554f235
git	www.git.kernel.org/stable/c/48c76fc53582e7f13c1e0b11c916e503256c4d0b
git	www.git.kernel.org/stable/c/75a2f31520095600f650597c0ac41f48b5ba0068

11 May 2026 13:47Current

6.5Medium risk

Vulners AI Score6.5

EPSS0.00226