Linux · Security advisory · May 1, 2026
ELSA-2026-50253: Security update for 19 packages
ELSA-2026-50253, released May 1, 2026, fixes 1 CVE across 19 products. One of them is being exploited (CVE-2026-31431); 1 on CISA KEV. Patch Radar priority: Patch now.
Patch now1 on CISA KEV
CVEs closed
1
None rated Critical
Exploited
1
CVE-2026-31431
Exploitation more likely
0
Vendor assessment
Highest EPSS
0.9811
99th percentile
Fixed package versions
| Product | Release | Fixed in |
|---|---|---|
| bpftool | ol 8 | 0:5.15.0-319.201.4.4.el9uek |
| bpftool | ol 9 | 0:5.15.0-319.201.4.4.el9uek |
| kernel-uek | ol 8 | 0:5.15.0-319.201.4.4.el9uek |
| kernel-uek | ol 9 | 0:5.15.0-319.201.4.4.el9uek |
| kernel-uek-container | ol 8 | 0:5.15.0-319.201.4.4.el9uek |
| kernel-uek-container | ol 9 | 0:5.15.0-319.201.4.4.el9uek |
| kernel-uek-container-debug | ol 8 | 0:5.15.0-319.201.4.4.el9uek |
| kernel-uek-container-debug | ol 9 | 0:5.15.0-319.201.4.4.el9uek |
| kernel-uek-core | ol 8 | 0:5.15.0-319.201.4.4.el9uek |
| kernel-uek-core | ol 9 | 0:5.15.0-319.201.4.4.el9uek |
| kernel-uek-debug | ol 8 | 0:5.15.0-319.201.4.4.el9uek |
| kernel-uek-debug | ol 9 | 0:5.15.0-319.201.4.4.el9uek |
| kernel-uek-debug-core | ol 8 | 0:5.15.0-319.201.4.4.el9uek |
| kernel-uek-debug-core | ol 9 | 0:5.15.0-319.201.4.4.el9uek |
| kernel-uek-debug-devel | ol 8 | 0:5.15.0-319.201.4.4.el9uek |
| kernel-uek-debug-devel | ol 9 | 0:5.15.0-319.201.4.4.el9uek |
| kernel-uek-debug-modules | ol 8 | 0:5.15.0-319.201.4.4.el9uek |
| kernel-uek-debug-modules | ol 9 | 0:5.15.0-319.201.4.4.el9uek |
| kernel-uek-debug-modules-extra | ol 8 | 0:5.15.0-319.201.4.4.el9uek |
| kernel-uek-debug-modules-extra | ol 9 | 0:5.15.0-319.201.4.4.el9uek |
| kernel-uek-devel | ol 8 | 0:5.15.0-319.201.4.4.el9uek |
| kernel-uek-devel | ol 9 | 0:5.15.0-319.201.4.4.el9uek |
| kernel-uek-doc | ol 8 | 0:5.15.0-319.201.4.4.el9uek |
| kernel-uek-doc | ol 9 | 0:5.15.0-319.201.4.4.el9uek |
| kernel-uek-modules | ol 8 | 0:5.15.0-319.201.4.4.el9uek |
| kernel-uek-modules | ol 9 | 0:5.15.0-319.201.4.4.el9uek |
| kernel-uek-modules-extra | ol 8 | 0:5.15.0-319.201.4.4.el9uek |
| kernel-uek-modules-extra | ol 9 | 0:5.15.0-319.201.4.4.el9uek |
| kernel-uek64k | ol 8 | 0:5.15.0-319.201.4.4.el9uek |
| kernel-uek64k | ol 9 | 0:5.15.0-319.201.4.4.el9uek |
| kernel-uek64k-core | ol 8 | 0:5.15.0-319.201.4.4.el9uek |
| kernel-uek64k-core | ol 9 | 0:5.15.0-319.201.4.4.el9uek |
| kernel-uek64k-devel | ol 8 | 0:5.15.0-319.201.4.4.el9uek |
| kernel-uek64k-devel | ol 9 | 0:5.15.0-319.201.4.4.el9uek |
| kernel-uek64k-modules | ol 8 | 0:5.15.0-319.201.4.4.el9uek |
| kernel-uek64k-modules | ol 9 | 0:5.15.0-319.201.4.4.el9uek |
| kernel-uek64k-modules-extra | ol 8 | 0:5.15.0-319.201.4.4.el9uek |
| kernel-uek64k-modules-extra | ol 9 | 0:5.15.0-319.201.4.4.el9uek |
CVEs this fix closes
| Priority | CVE | Title | Impact | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|---|
| Patch now | CVE-2026-31431 | crypto: algif_aead - Revert to operating out-of-place | 8.1 | 0.9811 | KEVExploited |
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