CVE-2026-52962

Summary

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.

Affected Software

VendorProductVersion RangeStatus
LinuxLinux86968ef21596515958d5f0a40233d02be78ecec0 < 521e5aba857fd267624892c8dd6295f22ce0267eaffected
LinuxLinux86968ef21596515958d5f0a40233d02be78ecec0 < d0cb994605c84a159c1d00d72cdc8583c321ef95affected
LinuxLinux86968ef21596515958d5f0a40233d02be78ecec0 < ecf94823c5c6a20790bb76ed2816822b0beb0c22affected
LinuxLinux86968ef21596515958d5f0a40233d02be78ecec0 < 4bfdcefdaa6092a06cacd59389c7756b36e6de8caffected
LinuxLinux86968ef21596515958d5f0a40233d02be78ecec0 < 7d3e8d2d648d5f0df29b4710246680f47695fe94affected
LinuxLinux86968ef21596515958d5f0a40233d02be78ecec0 < 3fa13ceefbc5f36131110342743994cb3de80637affected
LinuxLinux86968ef21596515958d5f0a40233d02be78ecec0 < bc7abce4460e490dcb579eec770f175b150b685faffected
LinuxLinux86968ef21596515958d5f0a40233d02be78ecec0 < 5d3cc36b4e77a27ce7b686b7c59c7072bcb3fa8eaffected
LinuxLinux1d86cb8d3204337e1853b84d69ea0f30dc0ba973affected
LinuxLinux9cec64d3f6d91da590cc4069172254067b43d0b2affected
LinuxLinuxde30fc2ca852365ed635f62d7d818bffc15e55c9affected
LinuxLinuxdfb8712c7acce0689aed6c400a22b35f4d2861feaffected
LinuxLinuxf41cd559f1f3412db8e0acdede05ecf990ebfd8aaffected
LinuxLinux4.4.192 < 4.5affected
LinuxLinux4.9.192 < 4.10affected
LinuxLinux4.14.143 < 4.15affected
LinuxLinux4.19.72 < 4.20affected
LinuxLinux5.2.14 < 5.3affected
LinuxLinux5.3affected
LinuxLinux0 < 5.3unaffected
LinuxLinux5.10.258 <= 5.10.*unaffected
LinuxLinux5.15.209 <= 5.15.*unaffected
LinuxLinux6.1.175 <= 6.1.*unaffected
LinuxLinux6.6.141 <= 6.6.*unaffected
LinuxLinux6.12.91 <= 6.12.*unaffected
LinuxLinux6.18.33 <= 6.18.*unaffected
LinuxLinux7.0.10 <= 7.0.*unaffected
LinuxLinux7.1 <= *unaffected

Weaknesses

References