{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-52962", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-06-09T07:44:35.374Z", "datePublished": "2026-06-24T16:28:42.688Z", "dateUpdated": "2026-06-29T04:18:48.908Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-06-29T04:18:48.908Z"}, "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->i_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."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/ceph/xattr.c"], "versions": [{"version": "86968ef21596515958d5f0a40233d02be78ecec0", "lessThan": "521e5aba857fd267624892c8dd6295f22ce0267e", "status": "affected", "versionType": "git"}, {"version": "86968ef21596515958d5f0a40233d02be78ecec0", "lessThan": "d0cb994605c84a159c1d00d72cdc8583c321ef95", "status": "affected", "versionType": "git"}, {"version": "86968ef21596515958d5f0a40233d02be78ecec0", "lessThan": "ecf94823c5c6a20790bb76ed2816822b0beb0c22", "status": "affected", "versionType": "git"}, {"version": "86968ef21596515958d5f0a40233d02be78ecec0", "lessThan": "4bfdcefdaa6092a06cacd59389c7756b36e6de8c", "status": "affected", "versionType": "git"}, {"version": "86968ef21596515958d5f0a40233d02be78ecec0", "lessThan": "7d3e8d2d648d5f0df29b4710246680f47695fe94", "status": "affected", "versionType": "git"}, {"version": "86968ef21596515958d5f0a40233d02be78ecec0", "lessThan": "3fa13ceefbc5f36131110342743994cb3de80637", "status": "affected", "versionType": "git"}, {"version": "86968ef21596515958d5f0a40233d02be78ecec0", "lessThan": "bc7abce4460e490dcb579eec770f175b150b685f", "status": "affected", "versionType": "git"}, {"version": "86968ef21596515958d5f0a40233d02be78ecec0", "lessThan": "5d3cc36b4e77a27ce7b686b7c59c7072bcb3fa8e", "status": "affected", "versionType": "git"}, {"version": "1d86cb8d3204337e1853b84d69ea0f30dc0ba973", "status": "affected", "versionType": "git"}, {"version": "9cec64d3f6d91da590cc4069172254067b43d0b2", "status": "affected", "versionType": "git"}, {"version": "de30fc2ca852365ed635f62d7d818bffc15e55c9", "status": "affected", "versionType": "git"}, {"version": "dfb8712c7acce0689aed6c400a22b35f4d2861fe", "status": "affected", "versionType": "git"}, {"version": "f41cd559f1f3412db8e0acdede05ecf990ebfd8a", "status": "affected", "versionType": "git"}, {"version": "4.4.192", "lessThan": "4.5", "status": "affected", "versionType": "semver"}, {"version": "4.9.192", "lessThan": "4.10", "status": "affected", "versionType": "semver"}, {"version": "4.14.143", "lessThan": "4.15", "status": "affected", "versionType": "semver"}, {"version": "4.19.72", "lessThan": "4.20", "status": "affected", "versionType": "semver"}, {"version": "5.2.14", "lessThan": "5.3", "status": "affected", "versionType": "semver"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/ceph/xattr.c"], "versions": [{"version": "5.3", "status": "affected"}, {"version": "0", "lessThan": "5.3", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.258", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.209", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.175", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.141", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.91", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.33", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.0.10", "lessThanOrEqual": "7.0.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.3", "versionEndExcluding": "5.10.258"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.3", "versionEndExcluding": "5.15.209"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.3", "versionEndExcluding": "6.1.175"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.3", "versionEndExcluding": "6.6.141"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.3", "versionEndExcluding": "6.12.91"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.3", "versionEndExcluding": "6.18.33"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.3", "versionEndExcluding": "7.0.10"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.3", "versionEndExcluding": "7.1"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.4.192"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.9.192"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.14.143"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.19.72"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.2.14"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/521e5aba857fd267624892c8dd6295f22ce0267e"}, {"url": "https://git.kernel.org/stable/c/d0cb994605c84a159c1d00d72cdc8583c321ef95"}, {"url": "https://git.kernel.org/stable/c/ecf94823c5c6a20790bb76ed2816822b0beb0c22"}, {"url": "https://git.kernel.org/stable/c/4bfdcefdaa6092a06cacd59389c7756b36e6de8c"}, {"url": "https://git.kernel.org/stable/c/7d3e8d2d648d5f0df29b4710246680f47695fe94"}, {"url": "https://git.kernel.org/stable/c/3fa13ceefbc5f36131110342743994cb3de80637"}, {"url": "https://git.kernel.org/stable/c/bc7abce4460e490dcb579eec770f175b150b685f"}, {"url": "https://git.kernel.org/stable/c/5d3cc36b4e77a27ce7b686b7c59c7072bcb3fa8e"}], "title": "ceph: fix a buffer leak in __ceph_setxattr()", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{}

{"bugzilla": {"description": "kernel: ceph: fix a buffer leak in __ceph_setxattr()", "id": "2492394", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2492394"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-772", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nceph: fix a buffer leak in __ceph_setxattr()\nThe old_blob in __ceph_setxattr() can store\nci->i_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.", "A flaw was found in the Linux kernel, specifically within the Ceph file system's extended attribute handling. A buffer leak occurs in the `__ceph_setxattr()` function because a previously allocated buffer (`old_blob`) is not properly released. This can lead to resource exhaustion over time, potentially causing a denial of service (DoS) for affected systems."], "name": "CVE-2026-52962", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-06-24T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-52962\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-52962\nhttps://lore.kernel.org/linux-cve-announce/2026062437-CVE-2026-52962-69b4@gregkh/T"], "threat_severity": "Low"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[1da177e4c3f41524e886b7f1b8a0c1fc7321cac2,521e5aba857fd267624892c8dd6295f22ce0267e)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[1da177e4c3f41524e886b7f1b8a0c1fc7321cac2,d0cb994605c84a159c1d00d72cdc8583c321ef95)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[1da177e4c3f41524e886b7f1b8a0c1fc7321cac2,ecf94823c5c6a20790bb76ed2816822b0beb0c22)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[1da177e4c3f41524e886b7f1b8a0c1fc7321cac2,4bfdcefdaa6092a06cacd59389c7756b36e6de8c)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[1da177e4c3f41524e886b7f1b8a0c1fc7321cac2,7d3e8d2d648d5f0df29b4710246680f47695fe94)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[1da177e4c3f41524e886b7f1b8a0c1fc7321cac2,3fa13ceefbc5f36131110342743994cb3de80637)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[1da177e4c3f41524e886b7f1b8a0c1fc7321cac2,bc7abce4460e490dcb579eec770f175b150b685f)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[1da177e4c3f41524e886b7f1b8a0c1fc7321cac2,5d3cc36b4e77a27ce7b686b7c59c7072bcb3fa8e)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,5.10.258)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,5.15.209)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,6.1.175)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,6.6.141)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,6.12.91)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,6.18.33)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,7.0.10)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[5.10.258,5.11.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[5.15.209,5.16.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.1.175,6.2.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.6.141,6.7.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.91,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.33,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.0.10,7.1.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.1,*]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-06-24T18:30:06.421127+00:00", "updated": "2026-06-27T03:30:10.772976+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}