Linux · Security advisory · October 16, 2026
RHSA-2026:83159: Security update for 12 packages
RHSA-2026:83159, released October 16, 2026, fixes 9 CVEs across 12 products. None of them is reported as exploited. Patch Radar priority: Urgent.
Urgent
CVEs closed
9
3 rated Critical
Exploited
0
None reported
Exploitation more likely
0
Vendor assessment
Highest EPSS
0.0068
52nd percentile
Priority of the 9 CVEs
Patch now 0
Urgent 3
High 6
Routine 0
Fixed package versions
| Product | Release | Fixed in |
|---|---|---|
| kernel-rt | RHEL 8 | 0:4.18.0-553.174.1.rt7.515.el8_10 |
| kernel-rt-core | RHEL 8 | 0:4.18.0-553.174.1.rt7.515.el8_10 |
| kernel-rt-debug | RHEL 8 | 0:4.18.0-553.174.1.rt7.515.el8_10 |
| kernel-rt-debug-core | RHEL 8 | 0:4.18.0-553.174.1.rt7.515.el8_10 |
| kernel-rt-debug-devel | RHEL 8 | 0:4.18.0-553.174.1.rt7.515.el8_10 |
| kernel-rt-debug-kvm | RHEL 8 | 0:4.18.0-553.174.1.rt7.515.el8_10 |
| kernel-rt-debug-modules | RHEL 8 | 0:4.18.0-553.174.1.rt7.515.el8_10 |
| kernel-rt-debug-modules-extra | RHEL 8 | 0:4.18.0-553.174.1.rt7.515.el8_10 |
| kernel-rt-devel | RHEL 8 | 0:4.18.0-553.174.1.rt7.515.el8_10 |
| kernel-rt-kvm | RHEL 8 | 0:4.18.0-553.174.1.rt7.515.el8_10 |
| kernel-rt-modules | RHEL 8 | 0:4.18.0-553.174.1.rt7.515.el8_10 |
| kernel-rt-modules-extra | RHEL 8 | 0:4.18.0-553.174.1.rt7.515.el8_10 |
CVEs this fix closes
| Priority | CVE | Title | Impact | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|---|
| Urgent | CVE-2026-89526 | svcrdma: Validate Read chunk positions before reconstruction | 9.8 | 0.0068 | None reported | |
| Urgent | CVE-2026-90036 | NFSD: Prevent client use-after-free during blocked-lock reaping | 9.8 | 0.0048 | None reported | |
| Urgent | CVE-2026-68377 | net/sched: act_tunnel_key: Defer dst_release to RCU callback | 9.8 | 0.0013 | None reported | |
| High | CVE-2026-93228 | svcrdma: Reject Write/Reply chunks with segcount 0 | 9.1 | 0.0050 | None reported | |
| High | CVE-2026-74705 | udp: fix potential use-after-free in tunnel segmentation | 10.0 | 0.0050 | None reported | |
| High | CVE-2026-72262 | linux: In the Linux kernel, the following vulnerability has been resolved: ASoC: SOF: ipc3-control: Fix heap overflow in by... | 8.8 | 0.0018 | None reported | |
| High | CVE-2026-93262 | md/raid5-ppl: fix use-after-free in ppl_do_flush() | 8.8 | 0.0015 | None reported | |
| High | CVE-2026-74641 | ALSA: usx2y: bound the hwdep mmap fault offset | 8.8 | 0.0013 | None reported | |
| High | CVE-2026-74583 | net/sched: cls_route: fix fastmap use-after-free on filter | 8.8 | 0.0012 | None reported |
Showing 1 to 9 of 9
1