{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "ad7a60de882aca31afb58721db166f7e77afcd92"
            },
            {
              "fixed": "36673344b41c31fb502dd0d0113cec1aa96f581e"
            },
            {
              "fixed": "5788b742007f53406049bef917833a71ddd43f60"
            },
            {
              "fixed": "757873abfc8ea38592582180aed0f57f0f0cb07a"
            },
            {
              "fixed": "9efa154609cdb658f51c7d76b30a09f7e6485250"
            },
            {
              "fixed": "531a76c5a2e44264cee8a70121e63eb28c1ba728"
            },
            {
              "fixed": "69e59a87bab0ea31ab2a584fc65e12dafacf8953"
            },
            {
              "fixed": "4097e70fc543cca72982854108a32f6ae924e727"
            },
            {
              "fixed": "f16bd3fa74a2084ee7e16a8a2be7e7399b970907"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "3.12.0"
            },
            {
              "fixed": "5.10.252"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.11.0"
            },
            {
              "fixed": "5.15.202"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.16.0"
            },
            {
              "fixed": "6.1.165"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.6.128"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.75"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.16"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "6.19.6"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43273.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nceph: supply snapshot context in ceph_zero_partial_object()\n\nThe ceph_zero_partial_object function was missing proper snapshot\ncontext for its OSD write operations, which could lead to data\ninconsistencies in snapshots.\n\nReproducer:\n../src/vstart.sh --new -x --localhost --bluestore\n./bin/ceph auth caps client.fs_a mds 'allow rwps fsname=a' mon 'allow r fsname=a' osd 'allow rw tag cephfs data=a'\nmount -t ceph fs_a@.a=/ /mnt/mycephfs/ -o conf=./ceph.conf\ndd if=/dev/urandom of=/mnt/mycephfs/foo bs=64K count=1\nmkdir /mnt/mycephfs/.snap/snap1\nmd5sum /mnt/mycephfs/.snap/snap1/foo\nfallocate -p -o 0 -l 4096 /mnt/mycephfs/foo\necho 3 \u003e /proc/sys/vm/drop/caches\nmd5sum /mnt/mycephfs/.snap/snap1/foo # get different md5sum!!",
  "id": "CVE-2026-43273",
  "modified": "2026-07-08T05:39:10.442069510Z",
  "published": "2026-05-06T11:28:56.851Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/36673344b41c31fb502dd0d0113cec1aa96f581e"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/4097e70fc543cca72982854108a32f6ae924e727"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/531a76c5a2e44264cee8a70121e63eb28c1ba728"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/5788b742007f53406049bef917833a71ddd43f60"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/69e59a87bab0ea31ab2a584fc65e12dafacf8953"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/757873abfc8ea38592582180aed0f57f0f0cb07a"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/9efa154609cdb658f51c7d76b30a09f7e6485250"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f16bd3fa74a2084ee7e16a8a2be7e7399b970907"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43273.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-43273"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.7.5",
  "summary": "ceph: supply snapshot context in ceph_zero_partial_object()"
}