Loop with Unreachable Exit Condition ('Infinite Loop') The advisory has been revoked - it doesn't affect any version of package kernel (opens in a new tab)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-RHEL10-KERNEL-17456252
- published25 Jun 2026
- disclosed4 Sept 2025
Introduced: 4 Sep 2025
CVE-2025-38692 (opens in a new tab)Amendment
The Red Hat security team deemed this advisory irrelevant for RHEL:10.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel package and not the kernel package as distributed by RHEL.
In the Linux kernel, the following vulnerability has been resolved:
exfat: add cluster chain loop check for dir
An infinite loop may occur if the following conditions occur due to file system corruption.
(1) Condition for exfat_count_dir_entries() to loop infinitely. - The cluster chain includes a loop. - There is no UNUSED entry in the cluster chain.
(2) Condition for exfat_create_upcase_table() to loop infinitely. - The cluster chain of the root directory includes a loop. - There are no UNUSED entry and up-case table entry in the cluster chain of the root directory.
(3) Condition for exfat_load_bitmap() to loop infinitely. - The cluster chain of the root directory includes a loop. - There are no UNUSED entry and bitmap entry in the cluster chain of the root directory.
(4) Condition for exfat_find_dir_entry() to loop infinitely. - The cluster chain includes a loop. - The unused directory entries were exhausted by some operation.
(5) Condition for exfat_check_dir_empty() to loop infinitely. - The cluster chain includes a loop. - The unused directory entries were exhausted by some operation. - All files and sub-directories under the directory are deleted.
This commit adds checks to break the above infinite loop.
References
- https://bugzilla.redhat.com/show_bug.cgi?id=2393175
- https://access.redhat.com/security/cve/CVE-2025-38692
- https://git.kernel.org/stable/c/4c3cda20c4cf1871e27868d08fda06b79bc7d568
- https://git.kernel.org/stable/c/868f23286c1a13162330fa6c614fe350f78e3f82
- https://git.kernel.org/stable/c/99f9a97dce39ad413c39b92c90393bbd6778f3fd
- https://git.kernel.org/stable/c/aa8fe7b7b73d4c9a41bb96cb3fb3092f794ecb33
- https://git.kernel.org/stable/c/e2066ca3ef49a30920d8536fa366b2a183a808ee
- https://git.kernel.org/stable/c/1715f0996f7baf817c73613aeda500c4f73a6bd6