CVE-2026-80671 perf sched: Fix register_pid() overflow, strcpy, and BUG_ON

🗓️ 28 Aug 2026 06:49:11Reported by LinuxType

Linux kernel perf sched register_pid overflow and heap overflow via untrusted perf.data.

Reporter	Title	Published	Views	Family All 15
Tenable Nessus	Amazon Linux 2023 : bpftool6.18, kernel6.18, kernel6.18-devel (ALAS2023-2026-2071)	31 Aug 202600:00	–	nessus
Tenable Nessus	Linux Distros Unpatched Vulnerability : CVE-2026-80671	28 Aug 202600:00	–	nessus
Circl	CVE-2026-80671	29 Aug 202615:00	–	circl
CVE	CVE-2026-80671	28 Aug 202606:49	–	cve
Debian CVE	CVE-2026-80671	28 Aug 202606:49	–	debiancve
EUVD	EUVD-2026-67547	28 Aug 202606:49	–	euvd
NVD	CVE-2026-80671	28 Aug 202608:16	–	nvd
OSV	AZL-98180 CVE-2026-80671 affecting package kernel 6.6.150.1-1	28 Aug 202608:16	–	osv
OSV	BELL-CVE-2026-80671	3 Sep 202606:05	–	osv
OSV	DEBIAN-CVE-2026-80671	28 Aug 202608:16	–	osv

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "tools/perf/builtin-sched.c"
    ],
    "versions": [
      {
        "version": "ec156764d424dd67283c2cd5e9f6f1b8388364ac",
        "lessThan": "344e59fc4f2cba6dc04ce5e2a77388645d4ca834",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ec156764d424dd67283c2cd5e9f6f1b8388364ac",
        "lessThan": "22263d241bad753217d545f8085b7ead52e2873b",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ec156764d424dd67283c2cd5e9f6f1b8388364ac",
        "lessThan": "2003918e13f43cf6c5698be3cc9aa3657dd676a8",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ec156764d424dd67283c2cd5e9f6f1b8388364ac",
        "lessThan": "29639f00bfa49da7904ba0a499e0da7a0e5d735e",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ec156764d424dd67283c2cd5e9f6f1b8388364ac",
        "lessThan": "261d2b5f4afa0570ca906e553c93811c5abe4590",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ec156764d424dd67283c2cd5e9f6f1b8388364ac",
        "lessThan": "652cea73b7b7b7c622a2be670e44e3c499c6d49f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ec156764d424dd67283c2cd5e9f6f1b8388364ac",
        "lessThan": "5ea1dcc9418c4e06ce29ed5170596f497ba86872",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ec156764d424dd67283c2cd5e9f6f1b8388364ac",
        "lessThan": "5949d339f5ec98752d56dcd4e36f619a59d513a5",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "tools/perf/builtin-sched.c"
    ],
    "versions": [
      {
        "version": "2.6.32",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "2.6.32",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.270",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.221",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.188",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.157",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.110",
        "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/2003918e13f43cf6c5698be3cc9aa3657dd676a8
git	www.git.kernel.org/stable/c/22263d241bad753217d545f8085b7ead52e2873b
git	www.git.kernel.org/stable/c/5ea1dcc9418c4e06ce29ed5170596f497ba86872
git	www.git.kernel.org/stable/c/344e59fc4f2cba6dc04ce5e2a77388645d4ca834
git	www.git.kernel.org/stable/c/29639f00bfa49da7904ba0a499e0da7a0e5d735e
git	www.git.kernel.org/stable/c/652cea73b7b7b7c622a2be670e44e3c499c6d49f
git	www.git.kernel.org/stable/c/261d2b5f4afa0570ca906e553c93811c5abe4590
git	www.git.kernel.org/stable/c/5949d339f5ec98752d56dcd4e36f619a59d513a5

14 Sep 2026 11:58Current

CVSS 3.19.3

EPSS0.00158