ceph: fix a buffer leak in __ceph_setxattr()
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.
02 / AFFECTED SOFTWARE
Affected packages
1200 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
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.
05 / REFERENCES
Further evidence
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- https://git.kernel.org/stable/c/3fa13ceefbc5f36131110342743994cb3de80637
- https://git.kernel.org/stable/c/4bfdcefdaa6092a06cacd59389c7756b36e6de8c
- https://git.kernel.org/stable/c/521e5aba857fd267624892c8dd6295f22ce0267e
- https://git.kernel.org/stable/c/5d3cc36b4e77a27ce7b686b7c59c7072bcb3fa8e
- https://git.kernel.org/stable/c/7d3e8d2d648d5f0df29b4710246680f47695fe94
- https://git.kernel.org/stable/c/bc7abce4460e490dcb579eec770f175b150b685f
- https://git.kernel.org/stable/c/d0cb994605c84a159c1d00d72cdc8583c321ef95
- https://git.kernel.org/stable/c/ecf94823c5c6a20790bb76ed2816822b0beb0c22
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/52xxx/CVE-2026-52962.json
- https://nvd.nist.gov/vuln/detail/CVE-2026-52962