CVE-2026-52962

Description

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.

References

• 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