{"id":"CVE-2026-52962","state":"PUBLISHED","title":"ceph: fix a buffer leak in __ceph_setxattr()","description":"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.","publishedAt":"2026-06-24T16:28:42.688Z","updatedAt":"2026-06-29T04:18:48.908Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"86968ef21596515958d5f0a40233d02be78ecec0","status":"affected","lessThan":"521e5aba857fd267624892c8dd6295f22ce0267e","versionType":"git"},{"version":"86968ef21596515958d5f0a40233d02be78ecec0","status":"affected","lessThan":"d0cb994605c84a159c1d00d72cdc8583c321ef95","versionType":"git"},{"version":"86968ef21596515958d5f0a40233d02be78ecec0","status":"affected","lessThan":"ecf94823c5c6a20790bb76ed2816822b0beb0c22","versionType":"git"},{"version":"86968ef21596515958d5f0a40233d02be78ecec0","status":"affected","lessThan":"4bfdcefdaa6092a06cacd59389c7756b36e6de8c","versionType":"git"},{"version":"86968ef21596515958d5f0a40233d02be78ecec0","status":"affected","lessThan":"7d3e8d2d648d5f0df29b4710246680f47695fe94","versionType":"git"},{"version":"86968ef21596515958d5f0a40233d02be78ecec0","status":"affected","lessThan":"3fa13ceefbc5f36131110342743994cb3de80637","versionType":"git"},{"version":"86968ef21596515958d5f0a40233d02be78ecec0","status":"affected","lessThan":"bc7abce4460e490dcb579eec770f175b150b685f","versionType":"git"},{"version":"86968ef21596515958d5f0a40233d02be78ecec0","status":"affected","lessThan":"5d3cc36b4e77a27ce7b686b7c59c7072bcb3fa8e","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","status":"affected","lessThan":"4.5","versionType":"semver"},{"version":"4.9.192","status":"affected","lessThan":"4.10","versionType":"semver"},{"version":"4.14.143","status":"affected","lessThan":"4.15","versionType":"semver"},{"version":"4.19.72","status":"affected","lessThan":"4.20","versionType":"semver"},{"version":"5.2.14","status":"affected","lessThan":"5.3","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/ceph/xattr.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.3","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.3","versionType":"semver"},{"version":"5.10.258","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.209","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.175","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.141","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.91","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.33","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.0.10","status":"unaffected","lessThanOrEqual":"7.0.*","versionType":"semver"},{"version":"7.1","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/ceph/xattr.c"]}],"references":["https://git.kernel.org/stable/c/521e5aba857fd267624892c8dd6295f22ce0267e","https://git.kernel.org/stable/c/d0cb994605c84a159c1d00d72cdc8583c321ef95","https://git.kernel.org/stable/c/ecf94823c5c6a20790bb76ed2816822b0beb0c22","https://git.kernel.org/stable/c/4bfdcefdaa6092a06cacd59389c7756b36e6de8c","https://git.kernel.org/stable/c/7d3e8d2d648d5f0df29b4710246680f47695fe94","https://git.kernel.org/stable/c/3fa13ceefbc5f36131110342743994cb3de80637","https://git.kernel.org/stable/c/bc7abce4460e490dcb579eec770f175b150b685f","https://git.kernel.org/stable/c/5d3cc36b4e77a27ce7b686b7c59c7072bcb3fa8e"],"weaknesses":[],"ingestedAt":"2026-10-29T20:12:16.098Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/52xxx/CVE-2026-52962.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-52962","state":"PUBLISHED","datePublished":"2026-06-24T16:28:42.688Z","dateUpdated":"2026-06-29T04:18:48.908Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-06-09T07:44:35.374Z"},"containers":{"cna":{"title":"ceph: fix a buffer leak in __ceph_setxattr()","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":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"86968ef21596515958d5f0a40233d02be78ecec0","status":"affected","lessThan":"521e5aba857fd267624892c8dd6295f22ce0267e","versionType":"git"},{"version":"86968ef21596515958d5f0a40233d02be78ecec0","status":"affected","lessThan":"d0cb994605c84a159c1d00d72cdc8583c321ef95","versionType":"git"},{"version":"86968ef21596515958d5f0a40233d02be78ecec0","status":"affected","lessThan":"ecf94823c5c6a20790bb76ed2816822b0beb0c22","versionType":"git"},{"version":"86968ef21596515958d5f0a40233d02be78ecec0","status":"affected","lessThan":"4bfdcefdaa6092a06cacd59389c7756b36e6de8c","versionType":"git"},{"version":"86968ef21596515958d5f0a40233d02be78ecec0","status":"affected","lessThan":"7d3e8d2d648d5f0df29b4710246680f47695fe94","versionType":"git"},{"version":"86968ef21596515958d5f0a40233d02be78ecec0","status":"affected","lessThan":"3fa13ceefbc5f36131110342743994cb3de80637","versionType":"git"},{"version":"86968ef21596515958d5f0a40233d02be78ecec0","status":"affected","lessThan":"bc7abce4460e490dcb579eec770f175b150b685f","versionType":"git"},{"version":"86968ef21596515958d5f0a40233d02be78ecec0","status":"affected","lessThan":"5d3cc36b4e77a27ce7b686b7c59c7072bcb3fa8e","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","status":"affected","lessThan":"4.5","versionType":"semver"},{"version":"4.9.192","status":"affected","lessThan":"4.10","versionType":"semver"},{"version":"4.14.143","status":"affected","lessThan":"4.15","versionType":"semver"},{"version":"4.19.72","status":"affected","lessThan":"4.20","versionType":"semver"},{"version":"5.2.14","status":"affected","lessThan":"5.3","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/ceph/xattr.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.3","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.3","versionType":"semver"},{"version":"5.10.258","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.209","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.175","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.141","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.91","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.33","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.0.10","status":"unaffected","lessThanOrEqual":"7.0.*","versionType":"semver"},{"version":"7.1","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/ceph/xattr.c"]}],"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"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-06-29T04:18:48.908Z"},"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:*:*:*: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