CVE-2024-42266

🗓️ 17 Aug 2024 08:54:22Reported by LinuxType

In Linux kernel, The btrfs buffered write path runs through __extent_writepage(). When that returns 1, we exit, but for other return values, we continue and end up calling btrfs_folio_end_all_writers(). This results in an assert panic like this one from syzbot

Reporter	Title	Published	Views	Family All 14
CNNVD	Linux kernel 安全漏洞	17 Aug 202400:00	–	cnnvd
Cvelist	CVE-2024-42266 btrfs: make cow_file_range_inline() honor locked_page on error	17 Aug 202408:54	–	cvelist
Debian CVE	CVE-2024-42266	17 Aug 202408:54	–	debiancve
NVD	CVE-2024-42266	17 Aug 202409:15	–	nvd
OSV	BELL-CVE-2024-42266	22 Aug 202405:56	–	osv
OSV	CVE-2024-42266 btrfs: make cow_file_range_inline() honor locked_page on error	17 Aug 202408:54	–	osv
OSV	DEBIAN-CVE-2024-42266	17 Aug 202409:15	–	osv
OSV	UBUNTU-CVE-2024-42266	17 Aug 202409:15	–	osv
Positive Technologies	PT-2024-29818 · Linux · Linux Kernel	17 Aug 202400:00	–	ptsecurity
RedhatCVE	CVE-2024-42266	19 Aug 202415:56	–	redhatcve

NVD

Vulners

CNA

Node

linux linux_kernelRange6.10–6.10.4

linux linux_kernelMatch6.11rc1

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/btrfs/inode.c"
    ],
    "versions": [
      {
        "version": "0586d0a89e77d717da14df42648ace4a9fd67981",
        "lessThan": "061e41581606000a83ce0f0f01d6ad338f3704e9",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "0586d0a89e77d717da14df42648ace4a9fd67981",
        "lessThan": "478574370bef7951fbd9ef5155537d6cbed49472",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/btrfs/inode.c"
    ],
    "versions": [
      {
        "version": "6.10",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.10",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.10.4",
        "lessThanOrEqual": "6.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.11",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

Source	Link
git	www.git.kernel.org/stable/c/478574370bef7951fbd9ef5155537d6cbed49472
git	www.git.kernel.org/stable/c/061e41581606000a83ce0f0f01d6ad338f3704e9

17 Jun 2026 07:49Current

6.4Medium risk

Vulners AI Score6.4

CVSS 3.15.5

EPSS0.00193

SSVC

CWE-476