CVE-2026-52962 (GCVE-0-2026-52962)

Vulnerability from cvelistv5 – Published: 2026-06-24 16:28 – Updated: 2026-06-29 04:18
VLAI
Title
ceph: fix a buffer leak in __ceph_setxattr()
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.
Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 86968ef21596515958d5f0a40233d02be78ecec0 , < 521e5aba857fd267624892c8dd6295f22ce0267e (git)
Affected: 86968ef21596515958d5f0a40233d02be78ecec0 , < d0cb994605c84a159c1d00d72cdc8583c321ef95 (git)
Affected: 86968ef21596515958d5f0a40233d02be78ecec0 , < ecf94823c5c6a20790bb76ed2816822b0beb0c22 (git)
Affected: 86968ef21596515958d5f0a40233d02be78ecec0 , < 4bfdcefdaa6092a06cacd59389c7756b36e6de8c (git)
Affected: 86968ef21596515958d5f0a40233d02be78ecec0 , < 7d3e8d2d648d5f0df29b4710246680f47695fe94 (git)
Affected: 86968ef21596515958d5f0a40233d02be78ecec0 , < 3fa13ceefbc5f36131110342743994cb3de80637 (git)
Affected: 86968ef21596515958d5f0a40233d02be78ecec0 , < bc7abce4460e490dcb579eec770f175b150b685f (git)
Affected: 86968ef21596515958d5f0a40233d02be78ecec0 , < 5d3cc36b4e77a27ce7b686b7c59c7072bcb3fa8e (git)
Affected: 1d86cb8d3204337e1853b84d69ea0f30dc0ba973 (git)
Affected: 9cec64d3f6d91da590cc4069172254067b43d0b2 (git)
Affected: de30fc2ca852365ed635f62d7d818bffc15e55c9 (git)
Affected: dfb8712c7acce0689aed6c400a22b35f4d2861fe (git)
Affected: f41cd559f1f3412db8e0acdede05ecf990ebfd8a (git)
Affected: 4.4.192 , < 4.5 (semver)
Affected: 4.9.192 , < 4.10 (semver)
Affected: 4.14.143 , < 4.15 (semver)
Affected: 4.19.72 , < 4.20 (semver)
Affected: 5.2.14 , < 5.3 (semver)
Create a notification for this product.
Linux Linux Affected: 5.3
Unaffected: 0 , < 5.3 (semver)
Unaffected: 5.10.258 , ≤ 5.10.* (semver)
Unaffected: 5.15.209 , ≤ 5.15.* (semver)
Unaffected: 6.1.175 , ≤ 6.1.* (semver)
Unaffected: 6.6.141 , ≤ 6.6.* (semver)
Unaffected: 6.12.91 , ≤ 6.12.* (semver)
Unaffected: 6.18.33 , ≤ 6.18.* (semver)
Unaffected: 7.0.10 , ≤ 7.0.* (semver)
Unaffected: 7.1 , ≤ * (original_commit_for_fix)
Create a notification for this product.
Show details on NVD website
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    "dateReserved": "2026-06-09T07:44:35.374Z",
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This patch fixes the issue of\\nthe buffer 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    "redhat_vex": {
      "aggregate_severity": "Low",
      "current_release_date": "2026-07-14T16:28:48+00:00",
      "cve": "CVE-2026-52962",
      "id": "CVE-2026-52962",
      "initial_release_date": "2026-06-24T00:00:00+00:00",
      "product_status:known_affected": "260",
      "product_status:known_not_affected": "14",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: ceph: fix a buffer leak in __ceph_setxattr()",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-52962.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "low",
      "current_release_date": "2026-07-21T13:07:58Z",
      "cve": "CVE-2026-52962",
      "id": "CVE-2026-52962",
      "initial_release_date": "2026-06-26T02:14:37Z",
      "product_status:first_fixed": "68",
      "product_status:known_affected": "175",
      "product_status:known_not_affected": "23",
      "product_status:recommended": "143",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2026-52962",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2026-52962.json",
      "version": "7"
    }
  }
}



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Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.