Linux · Security advisory · June 15, 2026
ELSA-2026-50318: Security update for 19 packages
ELSA-2026-50318, released June 15, 2026, fixes 5 CVEs across 19 products. None of them is reported as exploited. Patch Radar priority: Urgent.
Urgent
CVEs closed
5
1 rated Critical
Exploited
0
None reported
Exploitation more likely
0
Vendor assessment
Highest EPSS
0.0047
40th percentile
Priority of the 5 CVEs
Patch now 0
Urgent 1
High 3
Routine 1
Fixed package versions
| Product | Release | Fixed in |
|---|---|---|
| bpftool | ol 8 | 0:5.15.0-321.202.5.2.el9uek |
| bpftool | ol 9 | 0:5.15.0-321.202.5.2.el9uek |
| kernel-uek | ol 8 | 0:5.15.0-321.202.5.2.el9uek |
| kernel-uek | ol 9 | 0:5.15.0-321.202.5.2.el9uek |
| kernel-uek-container | ol 8 | 0:5.15.0-321.202.5.2.el9uek |
| kernel-uek-container | ol 9 | 0:5.15.0-321.202.5.2.el9uek |
| kernel-uek-container-debug | ol 8 | 0:5.15.0-321.202.5.2.el9uek |
| kernel-uek-container-debug | ol 9 | 0:5.15.0-321.202.5.2.el9uek |
| kernel-uek-core | ol 8 | 0:5.15.0-321.202.5.2.el9uek |
| kernel-uek-core | ol 9 | 0:5.15.0-321.202.5.2.el9uek |
| kernel-uek-debug | ol 8 | 0:5.15.0-321.202.5.2.el9uek |
| kernel-uek-debug | ol 9 | 0:5.15.0-321.202.5.2.el9uek |
| kernel-uek-debug-core | ol 8 | 0:5.15.0-321.202.5.2.el9uek |
| kernel-uek-debug-core | ol 9 | 0:5.15.0-321.202.5.2.el9uek |
| kernel-uek-debug-devel | ol 8 | 0:5.15.0-321.202.5.2.el9uek |
| kernel-uek-debug-devel | ol 9 | 0:5.15.0-321.202.5.2.el9uek |
| kernel-uek-debug-modules | ol 8 | 0:5.15.0-321.202.5.2.el9uek |
| kernel-uek-debug-modules | ol 9 | 0:5.15.0-321.202.5.2.el9uek |
| kernel-uek-debug-modules-extra | ol 8 | 0:5.15.0-321.202.5.2.el9uek |
| kernel-uek-debug-modules-extra | ol 9 | 0:5.15.0-321.202.5.2.el9uek |
| kernel-uek-devel | ol 8 | 0:5.15.0-321.202.5.2.el9uek |
| kernel-uek-devel | ol 9 | 0:5.15.0-321.202.5.2.el9uek |
| kernel-uek-doc | ol 8 | 0:5.15.0-321.202.5.2.el9uek |
| kernel-uek-doc | ol 9 | 0:5.15.0-321.202.5.2.el9uek |
| kernel-uek-modules | ol 8 | 0:5.15.0-321.202.5.2.el9uek |
| kernel-uek-modules | ol 9 | 0:5.15.0-321.202.5.2.el9uek |
| kernel-uek-modules-extra | ol 8 | 0:5.15.0-321.202.5.2.el9uek |
| kernel-uek-modules-extra | ol 9 | 0:5.15.0-321.202.5.2.el9uek |
| kernel-uek64k | ol 8 | 0:5.15.0-321.202.5.2.el9uek |
| kernel-uek64k | ol 9 | 0:5.15.0-321.202.5.2.el9uek |
| kernel-uek64k-core | ol 8 | 0:5.15.0-321.202.5.2.el9uek |
| kernel-uek64k-core | ol 9 | 0:5.15.0-321.202.5.2.el9uek |
| kernel-uek64k-devel | ol 8 | 0:5.15.0-321.202.5.2.el9uek |
| kernel-uek64k-devel | ol 9 | 0:5.15.0-321.202.5.2.el9uek |
| kernel-uek64k-modules | ol 8 | 0:5.15.0-321.202.5.2.el9uek |
| kernel-uek64k-modules | ol 9 | 0:5.15.0-321.202.5.2.el9uek |
| kernel-uek64k-modules-extra | ol 8 | 0:5.15.0-321.202.5.2.el9uek |
| kernel-uek64k-modules-extra | ol 9 | 0:5.15.0-321.202.5.2.el9uek |
CVEs this fix closes
| Priority | CVE | Title | Impact | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|---|
| Urgent | CVE-2026-31533 | linux: In the Linux kernel, the following vulnerability has been resolved: net/tls: fix use-after-free in -EBUSY error path... | 9.8 | 0.0040 | None reported | |
| High | CVE-2026-31669 | mptcp: fix slab-use-after-free in __inet_lookup_established | 9.8 | 0.0047 | None reported | |
| High | CVE-2026-31657 | batman-adv: hold claim backbone gateways by reference | 9.8 | 0.0040 | None reported | |
| High | CVE-2026-31504 | net: fix fanout UAF in packet_release() via NETDEV_UP race | 7.8 | 0.0011 | None reported | |
| Routine | CVE-2022-50073 | net: tap: NULL pointer derefence in dev_parse_header_protocol when skb->dev is null | 6.5 | 0.0021 | None reported |
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