Linux · Security advisory · October 16, 2026
RHSA-2026:83207: kernel security update
RHSA-2026:83207, released October 16, 2026, fixes 20 CVEs in kernel (version 6.12.0-211.66.1.el10_2). None of them is reported as exploited. Patch Radar priority: Urgent.
Urgent
CVEs closed
20
7 rated Critical
Exploited
0
None reported
Exploitation more likely
0
Vendor assessment
Highest EPSS
0.0071
53rd percentile
Priority of the 20 CVEs
Patch now 0
Urgent 7
High 13
Routine 0
Fixed package versions
| Product | Release | Fixed in |
|---|---|---|
| kernel | RHEL 10 | 6.12.0-211.66.1.el10_2 |
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-2026-89689 | linux: In the Linux kernel, the following vulnerability has been resolved: nfsd: don't free session slots that are still in... | 9.8 | 0.0061 | None reported | |
| Urgent | CVE-2026-90036 | NFSD: Prevent client use-after-free during blocked-lock reaping | 9.8 | 0.0048 | None reported | |
| Urgent | CVE-2026-93207 | SUNRPC: Zero rpc_gss_wire_cred at svcauth_gss_decode_credbody() entry | 9.8 | 0.0047 | None reported | |
| Urgent | CVE-2026-63974 | Bluetooth: hci_sync: Set HCI_CMD_DRAIN_WORKQUEUE during device close | 9.8 | 0.0035 | None reported | |
| Urgent | CVE-2026-68140 | net/iucv: fix use-after-free of a severed iucv_path | 9.8 | 0.0028 | 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-2026-45859 | netfilter: nfnetlink_queue: do shared-unconfirmed check before segmentation | 8.1 | 0.0071 | None reported | |
| High | CVE-2026-80985 | linux: In the Linux kernel, the following vulnerability has been resolved: net/smc: carry oversized SMC-Rv2 LLC messages in... | 8.8 | 0.0053 | None reported | |
| High | CVE-2026-93228 | svcrdma: Reject Write/Reply chunks with segcount 0 | 9.1 | 0.0050 | None reported | |
| High | CVE-2026-64162 | kernel: The kernel packages contain the Linux kernel, the core of any Linux operating system | 9.8 | 0.0044 | None reported | |
| High | CVE-2026-64030 | kernel: The kernel packages contain the Linux kernel, the core of any Linux operating system | 8.8 | 0.0024 | 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-2026-63899 | kernel: The kernel packages contain the Linux kernel, the core of any Linux operating system | 8.8 | 0.0018 | None reported | |
| High | CVE-2026-89894 | media: cx231xx: reject geometry changes while the VBI queue is busy | 8.1 | 0.0017 | None reported | |
| High | CVE-2026-64032 | kernel: The kernel packages contain the Linux kernel, the core of any Linux operating system | 8.8 | 0.0013 | None reported | |
| High | CVE-2026-53011 | net/sched: taprio: fix use-after-free in advance_sched() on schedule switch | 8.8 | 0.0013 | None reported | |
| High | CVE-2026-74641 | ALSA: usx2y: bound the hwdep mmap fault offset | 8.8 | 0.0013 | None reported | |
| High | CVE-2026-74574 | linux: In the Linux kernel, the following vulnerability has been resolved: dmaengine: idxd: fix fdev setup failure cleanup... | 8.1 | 0.0012 | None reported | |
| High | CVE-2026-46319 | net/sched: act_ct: Only release RCU read lock after ct_ft | 8.8 | 0.0011 | None reported |
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