FKIE_CVE-2026-52962

Vulnerability from fkie_nvd - Published: 2026-06-24 17:17 - Updated: 2026-06-29 06:16
Severity
Summary
In the Linux kernel, the following vulnerability has been resolved: ceph: fix a buffer leak in __ceph_setxattr() The old_blob in __ceph_setxattr() can store ci->i_xattrs.prealloc_blob value during the retry. However, it is never called the ceph_buffer_put() for the old_blob object. This patch fixes the issue of the buffer leak.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/3fa13ceefbc5f36131110342743994cb3de80637
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/4bfdcefdaa6092a06cacd59389c7756b36e6de8c
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/521e5aba857fd267624892c8dd6295f22ce0267e
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/5d3cc36b4e77a27ce7b686b7c59c7072bcb3fa8e
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/7d3e8d2d648d5f0df29b4710246680f47695fe94
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/bc7abce4460e490dcb579eec770f175b150b685f
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/d0cb994605c84a159c1d00d72cdc8583c321ef95
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/ecf94823c5c6a20790bb76ed2816822b0beb0c22
Impacted products
Vendor Product Version
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{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "fs/ceph/xattr.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "521e5aba857fd267624892c8dd6295f22ce0267e",
              "status": "affected",
              "version": "86968ef21596515958d5f0a40233d02be78ecec0",
              "versionType": "git"
            },
            {
              "lessThan": "d0cb994605c84a159c1d00d72cdc8583c321ef95",
              "status": "affected",
              "version": "86968ef21596515958d5f0a40233d02be78ecec0",
              "versionType": "git"
            },
            {
              "lessThan": "ecf94823c5c6a20790bb76ed2816822b0beb0c22",
              "status": "affected",
              "version": "86968ef21596515958d5f0a40233d02be78ecec0",
              "versionType": "git"
            },
            {
              "lessThan": "4bfdcefdaa6092a06cacd59389c7756b36e6de8c",
              "status": "affected",
              "version": "86968ef21596515958d5f0a40233d02be78ecec0",
              "versionType": "git"
            },
            {
              "lessThan": "7d3e8d2d648d5f0df29b4710246680f47695fe94",
              "status": "affected",
              "version": "86968ef21596515958d5f0a40233d02be78ecec0",
              "versionType": "git"
            },
            {
              "lessThan": "3fa13ceefbc5f36131110342743994cb3de80637",
              "status": "affected",
              "version": "86968ef21596515958d5f0a40233d02be78ecec0",
              "versionType": "git"
            },
            {
              "lessThan": "bc7abce4460e490dcb579eec770f175b150b685f",
              "status": "affected",
              "version": "86968ef21596515958d5f0a40233d02be78ecec0",
              "versionType": "git"
            },
            {
              "lessThan": "5d3cc36b4e77a27ce7b686b7c59c7072bcb3fa8e",
              "status": "affected",
              "version": "86968ef21596515958d5f0a40233d02be78ecec0",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "1d86cb8d3204337e1853b84d69ea0f30dc0ba973",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "9cec64d3f6d91da590cc4069172254067b43d0b2",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "de30fc2ca852365ed635f62d7d818bffc15e55c9",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "dfb8712c7acce0689aed6c400a22b35f4d2861fe",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "f41cd559f1f3412db8e0acdede05ecf990ebfd8a",
              "versionType": "git"
            },
            {
              "lessThan": "4.5",
              "status": "affected",
              "version": "4.4.192",
              "versionType": "semver"
            },
            {
              "lessThan": "4.10",
              "status": "affected",
              "version": "4.9.192",
              "versionType": "semver"
            },
            {
              "lessThan": "4.15",
              "status": "affected",
              "version": "4.14.143",
              "versionType": "semver"
            },
            {
              "lessThan": "4.20",
              "status": "affected",
              "version": "4.19.72",
              "versionType": "semver"
            },
            {
              "lessThan": "5.3",
              "status": "affected",
              "version": "5.2.14",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "fs/ceph/xattr.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.3"
            },
            {
              "lessThan": "5.3",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.258",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.209",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.175",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.141",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.91",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.33",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.0.*",
              "status": "unaffected",
              "version": "7.0.10",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.1",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nceph: fix a buffer leak in __ceph_setxattr()\n\nThe old_blob in __ceph_setxattr() can store\nci-\u003ei_xattrs.prealloc_blob value during the retry.\nHowever, it is never called the ceph_buffer_put()\nfor the old_blob object. This patch fixes the issue of\nthe buffer leak."
    }
  ],
  "id": "CVE-2026-52962",
  "lastModified": "2026-06-29T06:16:30.940",
  "metrics": {},
  "published": "2026-06-24T17:17:06.520",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/3fa13ceefbc5f36131110342743994cb3de80637"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/4bfdcefdaa6092a06cacd59389c7756b36e6de8c"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/521e5aba857fd267624892c8dd6295f22ce0267e"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/5d3cc36b4e77a27ce7b686b7c59c7072bcb3fa8e"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/7d3e8d2d648d5f0df29b4710246680f47695fe94"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/bc7abce4460e490dcb579eec770f175b150b685f"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/d0cb994605c84a159c1d00d72cdc8583c321ef95"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/ecf94823c5c6a20790bb76ed2816822b0beb0c22"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Received"
}


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