Linux · Security advisory · January 16, 2026
RHSA-2026:0443: Security update for 12 packages
RHSA-2026:0443, released January 16, 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
Exploitation more likely
0
Vendor assessment
Highest EPSS
0.0064
51st 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 | 0:4.18.0-553.92.1.rt7.433.el8_10 |
| kernel-rt-core | RHEL 8 | 0:4.18.0-553.92.1.rt7.433.el8_10 |
| kernel-rt-debug | RHEL 8 | 0:4.18.0-553.92.1.rt7.433.el8_10 |
| kernel-rt-debug-core | RHEL 8 | 0:4.18.0-553.92.1.rt7.433.el8_10 |
| kernel-rt-debug-devel | RHEL 8 | 0:4.18.0-553.92.1.rt7.433.el8_10 |
| kernel-rt-debug-kvm | RHEL 8 | 0:4.18.0-553.92.1.rt7.433.el8_10 |
| kernel-rt-debug-modules | RHEL 8 | 0:4.18.0-553.92.1.rt7.433.el8_10 |
| kernel-rt-debug-modules-extra | RHEL 8 | 0:4.18.0-553.92.1.rt7.433.el8_10 |
| kernel-rt-devel | RHEL 8 | 0:4.18.0-553.92.1.rt7.433.el8_10 |
| kernel-rt-kvm | RHEL 8 | 0:4.18.0-553.92.1.rt7.433.el8_10 |
| kernel-rt-modules | RHEL 8 | 0:4.18.0-553.92.1.rt7.433.el8_10 |
| kernel-rt-modules-extra | RHEL 8 | 0:4.18.0-553.92.1.rt7.433.el8_10 |
CVEs this fix closes
| Priority | CVE | Title | Impact | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|---|
| High | CVE-2025-40240 | sctp: avoid NULL dereference when chunk data buffer is missing | 8.6 | 0.0064 | None reported | |
| High | CVE-2025-68285 | libceph: fix potential use-after-free in have_mon_and_osd_map() | 9.8 | 0.0059 | None reported | |
| High | CVE-2025-39993 | media: rc: fix races with imon_disconnect() | 7.8 | 0.0016 | None reported |
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