Linux · 
Red Hat · Security advisory · March 12, 2026
Red Hat · Security advisory · March 12, 2026RHSA-2026:2821: Security update for 12 packages
RHSA-2026:2821, released March 12, 2026, fixes 3 CVEs across 12 products. None of them is reported as exploited. Patch Radar priority: High.
High
CVEs closed
3
None rated Critical
Exploited
0
None reported
Highest CVSS
8.8
Base score, 0 to 10
Highest EPSS
0.0042
36th percentile
Priority of the 3 CVEs
Patch now 0
Urgent 0
High 3
Routine 0
Fixed package versions
| Product | Release | Fixed in |
|---|---|---|
| kernel-rt | RHEL 8 | 0:4.18.0-553.105.1.rt7.446.el8_10 |
| kernel-rt-core | RHEL 8 | 0:4.18.0-553.105.1.rt7.446.el8_10 |
| kernel-rt-debug | RHEL 8 | 0:4.18.0-553.105.1.rt7.446.el8_10 |
| kernel-rt-debug-core | RHEL 8 | 0:4.18.0-553.105.1.rt7.446.el8_10 |
| kernel-rt-debug-devel | RHEL 8 | 0:4.18.0-553.105.1.rt7.446.el8_10 |
| kernel-rt-debug-kvm | RHEL 8 | 0:4.18.0-553.105.1.rt7.446.el8_10 |
| kernel-rt-debug-modules | RHEL 8 | 0:4.18.0-553.105.1.rt7.446.el8_10 |
| kernel-rt-debug-modules-extra | RHEL 8 | 0:4.18.0-553.105.1.rt7.446.el8_10 |
| kernel-rt-devel | RHEL 8 | 0:4.18.0-553.105.1.rt7.446.el8_10 |
| kernel-rt-kvm | RHEL 8 | 0:4.18.0-553.105.1.rt7.446.el8_10 |
| kernel-rt-modules | RHEL 8 | 0:4.18.0-553.105.1.rt7.446.el8_10 |
| kernel-rt-modules-extra | RHEL 8 | 0:4.18.0-553.105.1.rt7.446.el8_10 |
CVEs this fix closes
| Priority | CVE | Title | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|
| High | CVE-2025-40168 | smc: Use __sk_dst_get() and dst_dev_rcu() in smc_clc_prfx_match(). | 8.1 | 0.0042 | None reported |
| High | CVE-2023-53762 | kernel-default: The SUSE Linux Enterprise 15 SP6 kernel was updated to fix various security issues The following security issues wer... | 8.8 | 0.0025 | None reported |
| High | CVE-2025-40304 | fbdev: Add bounds checking in bit_putcs to fix vmalloc-out-of-bounds | 7.8 | 0.0014 | None reported |
Showing 1 to 3 of 3
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