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: udf: fix partition descriptor append bookkeeping (CVE-2026-45991)
* kernel: ice: fix double-free of tx_buf skb (CVE-2026-53009)
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 | 4.18.0-553.155.1.rt7.496.el8_10 |
| AlmaLinux · 8 | kernel-rt-core | 4.18.0-553.155.1.rt7.496.el8_10 |
| AlmaLinux · 8 | kernel-rt-debug | 4.18.0-553.155.1.rt7.496.el8_10 |
| AlmaLinux · 8 | kernel-rt-debug-core | 4.18.0-553.155.1.rt7.496.el8_10 |
| AlmaLinux · 8 | kernel-rt-debug-devel | 4.18.0-553.155.1.rt7.496.el8_10 |
| AlmaLinux · 8 | kernel-rt-debug-modules | 4.18.0-553.155.1.rt7.496.el8_10 |
| AlmaLinux · 8 | kernel-rt-debug-modules-extra | 4.18.0-553.155.1.rt7.496.el8_10 |
| AlmaLinux · 8 | kernel-rt-devel | 4.18.0-553.155.1.rt7.496.el8_10 |
| AlmaLinux · 8 | kernel-rt-modules | 4.18.0-553.155.1.rt7.496.el8_10 |
| AlmaLinux · 8 | kernel-rt-modules-extra | 4.18.0-553.155.1.rt7.496.el8_10 |
Vulnerabilities 2
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High 7.8
udf: fix partition descriptor append bookkeeping
In the Linux kernel, the following vulnerability has been resolved: udf: fix partition descriptor append bookkeeping Mounting a crafted UDF image with repeated partition descriptors can trigger a heap out-of-bounds write in part_descs_loc[]. handle_partition_…
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High 7.8
ice: fix double-free of tx_buf skb
In the Linux kernel, the following vulnerability has been resolved: ice: fix double-free of tx_buf skb If ice_tso() or ice_tx_csum() fail, the error path in ice_xmit_frame_ring() frees the skb, but the 'first' tx_buf still points to it and is marked as valid …