CVE-2026-52962
Analyzed
Analyzed - Analysis Complete
Buffer Leak in Linux Kernel Ceph Filesystem
Vulnerability report for CVE-2026-52962, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.
Publication date: 2026-06-24
Last updated on: 2026-07-14
Assigner: kernel.org
Description
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.
CVSS Scores
EPSS Scores
| Probability: | |
| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| linux | linux_kernel | 5.3 |
| linux | linux_kernel | 5.3 |
| linux | linux_kernel | 5.3 |
| linux | linux_kernel | 7.1 |
| linux | linux_kernel | 7.1 |
| linux | linux_kernel | 5.3 |
| linux | linux_kernel | 7.1 |
| linux | linux_kernel | From 6.2 (inc) to 6.6.141 (exc) |
| linux | linux_kernel | From 6.7 (inc) to 6.12.91 (exc) |
| linux | linux_kernel | From 6.13 (inc) to 6.18.33 (exc) |
| linux | linux_kernel | From 6.19 (inc) to 7.0.10 (exc) |
| linux | linux_kernel | From 5.16 (inc) to 6.1.175 (exc) |
| linux | linux_kernel | From 5.11 (inc) to 5.15.209 (exc) |
| linux | linux_kernel | From 4.14.143 (inc) to 4.15 (exc) |
| linux | linux_kernel | From 4.19.72 (inc) to 4.20 (exc) |
| linux | linux_kernel | From 4.4.192 (inc) to 4.5 (exc) |
| linux | linux_kernel | From 4.9.192 (inc) to 4.10 (exc) |
| linux | linux_kernel | From 5.2.14 (inc) to 5.3 (exc) |
| linux | linux_kernel | From 5.3.1 (inc) to 5.10.258 (exc) |
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-787 | The product writes data past the end, or before the beginning, of the intended buffer. |
