CVE-2026-52962
Published: June 26, 2026Last modified: June 26, 2026
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.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 7.8 |
| Attack Vector | LOCAL |
| Attack complexity | LOW |
| Privileges required | LOW |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | HIGH |
| Integrity impact | HIGH |
| Availability impact | HIGH |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | linux-lts | Fixed (6.1.175-r0) |
| 25 LTS | linux-lts | Fixed (6.12.92-r0) | |
| Stream | linux-lts | Fixed (6.18.35-r1) |
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
- https://git.kernel.org/stable/c/bc7abce4460e490dcb579eec770f175b150b685f
- https://git.kernel.org/stable/c/d0cb994605c84a159c1d00d72cdc8583c321ef95
- https://git.kernel.org/stable/c/ecf94823c5c6a20790bb76ed2816822b0beb0c22