{"id":"CVE-2026-52962","summary":"ceph: fix a buffer leak in __ceph_setxattr()","details":"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.","modified":"2026-07-12T03:54:34.273652746Z","published":"2026-06-24T16:28:42.688Z","related":["SUSE-SU-2026:22521-1","SUSE-SU-2026:22522-1","SUSE-SU-2026:2799-1","SUSE-SU-2026:2800-1"],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/52xxx/CVE-2026-52962.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/3fa13ceefbc5f36131110342743994cb3de80637"},{"type":"WEB","url":"https://git.kernel.org/stable/c/4bfdcefdaa6092a06cacd59389c7756b36e6de8c"},{"type":"WEB","url":"https://git.kernel.org/stable/c/521e5aba857fd267624892c8dd6295f22ce0267e"},{"type":"WEB","url":"https://git.kernel.org/stable/c/5d3cc36b4e77a27ce7b686b7c59c7072bcb3fa8e"},{"type":"WEB","url":"https://git.kernel.org/stable/c/7d3e8d2d648d5f0df29b4710246680f47695fe94"},{"type":"WEB","url":"https://git.kernel.org/stable/c/bc7abce4460e490dcb579eec770f175b150b685f"},{"type":"WEB","url":"https://git.kernel.org/stable/c/d0cb994605c84a159c1d00d72cdc8583c321ef95"},{"type":"WEB","url":"https://git.kernel.org/stable/c/ecf94823c5c6a20790bb76ed2816822b0beb0c22"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/52xxx/CVE-2026-52962.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-52962"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"86968ef21596515958d5f0a40233d02be78ecec0"},{"fixed":"521e5aba857fd267624892c8dd6295f22ce0267e"},{"fixed":"d0cb994605c84a159c1d00d72cdc8583c321ef95"},{"fixed":"ecf94823c5c6a20790bb76ed2816822b0beb0c22"},{"fixed":"4bfdcefdaa6092a06cacd59389c7756b36e6de8c"},{"fixed":"7d3e8d2d648d5f0df29b4710246680f47695fe94"},{"fixed":"3fa13ceefbc5f36131110342743994cb3de80637"},{"fixed":"bc7abce4460e490dcb579eec770f175b150b685f"},{"fixed":"5d3cc36b4e77a27ce7b686b7c59c7072bcb3fa8e"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"0"},{"last_affected":"1d86cb8d3204337e1853b84d69ea0f30dc0ba973"},{"last_affected":"9cec64d3f6d91da590cc4069172254067b43d0b2"},{"last_affected":"de30fc2ca852365ed635f62d7d818bffc15e55c9"},{"last_affected":"dfb8712c7acce0689aed6c400a22b35f4d2861fe"},{"last_affected":"f41cd559f1f3412db8e0acdede05ecf990ebfd8a"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"4.4.192"},{"fixed":"4.5"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"4.9.192"},{"fixed":"4.10"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"4.14.143"},{"fixed":"4.15"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"4.19.72"},{"fixed":"4.20"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"5.2.14"},{"fixed":"5.3"}]}],"versions":["v5.2.13","v4.19.71","v4.14.142","v4.9.191","v4.4.191","v5.2.12","v4.19.70","v5.2.11","v4.19.69","v4.14.141","v4.9.190","v4.4.190","v5.2","v5.2.10","v4.19.68","v4.14.140","v5.2.9","v4.4.189","v4.9.189","v4.14.139","v4.19.67","v4.14.138","v4.19.66","v5.2.8","v4.9.188","v4.4.188","v4.14.137","v4.19.65","v5.2.7","v5.2.6","v4.19.64","v4.14.136","v4.9.187","v4.4.187","v4.4.186","v4.9.186","v4.14.135","v4.19.63","v5.2.5","v4.14.134","v4.19.62","v5.2.4","v4.19.61","v5.2.3","v4.19.60","v5.2.2","v5.2-rc2","v4.4.185","v4.9.185","v4.14.133","v4.19.59","v5.2.1","v5.2-rc7","v5.2-rc4","v4.19.58","v5.2-rc1","v4.4.184","v4.9.184","v4.14.132","v4.19.57","v5.2-rc5","v5.2-rc6","v4.14.131","v4.19.56","v5.2-rc3","v4.14.130","v4.9.183","v4.4.183","v4.14.129","v4.19.55","v5.1","v4.19.54","v4.4.182","v4.9.182","v4.14.128","v4.19.53","v4.14.127","v4.19.52","v4.4.181","v4.9.181","v4.14.126","v4.19.51","v4.14.125","v4.19.50","v4.4.180","v4.9.180","v4.14.124","v4.19.49","v4.14.123","v4.19.48","v4.19.47","v4.9.179","v4.14.122","v4.19.46","v4.9.178","v4.14.121","v4.19.45","v4.19.44","v4.14.120","v4.9.177","v4.4.179","v4.9.176","v4.14.119","v4.19.43","v5.0-rc8","v4.9.175","v4.14.118","v4.19.42","v5.1-rc7","v5.1-rc1","v4.19.41","v4.14.117","v4.9.174","v5.1-rc6","v4.19.40","v4.14.116","v4.9.173","v5.1-rc5","v4.19.39","v4.19.38","v4.14.115","v4.9.172","v5.0","v4.19.37","v4.14.114","v4.9.171","v5.1-rc3","v4.19.36","v4.14.113","v4.9.170","v4.4.178","v5.1-rc2","v4.19.35","v4.14.112","v4.9.169","v5.1-rc4","v4.19.34","v4.14.111","v4.9.168","v5.0-rc1","v4.19.33","v4.14.110","v4.9.167","v4.19.32","v4.14.109","v4.9.166","v4.4.177","v4.19.31","v4.14.108","v4.9.165","v4.19.30","v4.14.107","v4.9.164","v4.4.176","v4.9.163","v4.14.106","v4.19.29","v4.9.162","v4.14.105","v4.19.28","v4.19.27","v4.19.26","v4.14.104","v4.9.161","v5.0-rc4","v5.0-rc3","v5.0-rc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