Summary
The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements.
Security Fix(es):
* kernel: smb: client: fix use-after-free in cifs_oplock_break (CVE-2025-38527)
* kernel: NFS: Fix filehandle bounds checking in nfs_fh_to_dentry() (CVE-2025-39730)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Fixed packages 10
| Release | Package | Fixed in |
|---|---|---|
| AlmaLinux · 8 | kernel-rt | 4.18.0-553.78.1.rt7.419.el8_10 |
| AlmaLinux · 8 | kernel-rt-core | 4.18.0-553.78.1.rt7.419.el8_10 |
| AlmaLinux · 8 | kernel-rt-debug | 4.18.0-553.78.1.rt7.419.el8_10 |
| AlmaLinux · 8 | kernel-rt-debug-core | 4.18.0-553.78.1.rt7.419.el8_10 |
| AlmaLinux · 8 | kernel-rt-debug-devel | 4.18.0-553.78.1.rt7.419.el8_10 |
| AlmaLinux · 8 | kernel-rt-debug-modules | 4.18.0-553.78.1.rt7.419.el8_10 |
| AlmaLinux · 8 | kernel-rt-debug-modules-extra | 4.18.0-553.78.1.rt7.419.el8_10 |
| AlmaLinux · 8 | kernel-rt-devel | 4.18.0-553.78.1.rt7.419.el8_10 |
| AlmaLinux · 8 | kernel-rt-modules | 4.18.0-553.78.1.rt7.419.el8_10 |
| AlmaLinux · 8 | kernel-rt-modules-extra | 4.18.0-553.78.1.rt7.419.el8_10 |
Vulnerabilities 2
-
Critical 9.8
smb: client: fix use-after-free in cifs_oplock_break
In the Linux kernel, the following vulnerability has been resolved: smb: client: fix use-after-free in cifs_oplock_break A race condition can occur in cifs_oplock_break() leading to a use-after-free of the cinode structure when unmounting: cifs_oplock_break()…
-
Unscored —
NFS: Fix filehandle bounds checking in nfs_fh_to_dentry()
In the Linux kernel, the following vulnerability has been resolved: NFS: Fix filehandle bounds checking in nfs_fh_to_dentry() The function needs to check the minimal filehandle length before it can access the embedded filehandle.