Vulnerabilities

Vulnerability · RLSA-2026:83156

Important: kernel security update

Published Oct 16, 2026 · catalog updated Oct 16, 2026 · Important: kernel security update

Open the advisory

Exploitation likelihood is not on this record for RLSA-2026:83156. A missing EPSS score is not a low risk. Compare Important: kernel security update with the linked advisory before you change production.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (Important: kernel security update).
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
  • EPSS is missing. A missing score is not a low risk.
Severity
High8.8
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
Awaiting synchronization with FIRST
Remediation
Advisory link
Affected products
Rocky Linux:9 kernel

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: net/sched: act_ct: Only release RCU read lock after ct_ft (CVE-2026-46319) * kernel: net/sched: taprio: fix use-after-free in advance_sched() on schedule switch (CVE-2026-53011) * kernel: wifi: mac80211: bounds-check link_id in ieee80211_ml_epcs (CVE-2026-64030) * kernel: wifi: cfg80211: use wiphy work for socket owner autodisconnect (CVE-2026-68404) * kernel: Linux kernel: Denial of Service due to use-after-free in act_tunnel_key (CVE-2026-68377) * kernel: net/iucv: fix use-after-free of a severed iucv_path (CVE-2026-68140) * kernel: wifi: mac80211: defer link RX stats percpu free to RCU (CVE-2026-68409) * kernel: KVM: arm64: vgic: Handle race between interrupt affinity change and LPI disabling (CVE-2026-72288) * kernel: ASoC: SOF: ipc3-control: Fix heap overflow in bytes_ext put/get (CVE-2026-72262) * kernel: netfilter: nft_lookup: fix catchall element handling with inverted lookups (CVE-2026-72320) * kernel: ALSA: usx2y: bound the hwdep mmap fault offset (CVE-2026-74641) * kernel: udp: fix potential use-after-free in tunnel segmentation (CVE-2026-74705) * kernel: net/smc: carry oversized SMC-Rv2 LLC messages in the queue entry (CVE-2026-80985) * kernel: svcrdma: Validate Read chunk positions before reconstruction (CVE-2026-89526) * kernel: net/iucv: filter frames in afiucv_hs_rcv() by ingress device (CVE-2026-81003) * kernel: NFSD: Prevent client use-after-free during blocked-lock reaping (CVE-2026-90036) * kernel: SUNRPC: Zero rpc_gss_wire_cred at svcauth_gss_decode_credbody() entry (CVE-2026-93207) * kernel: svcrdma: Reject Write/Reply chunks with segcount 0 (CVE-2026-93228) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • Rocky Linux:9 kernel0 → 0:5.14.0-687.58.1.el9_8

How to fix RLSA-2026:83156

  • Recommended remediation

    A patch or advisory reference is linked. Open the original publisher for availability by product version.

  • Official advisories

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

Exploitation likelihood is not on this record for RLSA-2026:83156. A missing EPSS score is not a low risk. Compare Important: kernel security update with the linked advisory before you change production.

Which versions are affected?

Compare what you have installed with 0 → 0:5.14.0-687.58.1.el9_8. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS is not on this record yet. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Oct 16, 2026 · OpenSSF OSV / OSV Scanner

    Detected

    The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: net/sched: act_ct: Only release RCU read lock after ct_ft (CVE-2026-46319) * kernel: net/sched: taprio: fix use-after-free in advance_sched() on schedule switch (CVE-2026-53011) * kernel: wifi: mac80211: bounds-check link_id in ieee80211_ml_epcs (CVE-2026-64030) * kernel: wifi: cfg8021

  2. Oct 16, 2026 · OpenSSF OSV / OSV Scanner

    Fix available

    kernel fixed in 0:5.14.0-687.58.1.el9_8

  3. Oct 16, 2026 · OpenSSF OSV / OSV Scanner

    Fix available

    kernel fixed in 0:5.14.0-687.58.1.el9_8

  4. Oct 16, 2026 · OpenSSF OSV / OSV Scanner

    Updated

    The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: net/sched: act_ct: Only release RCU read lock after ct_ft (CVE-2026-46319) * kernel: net/sched: taprio: fix use-after-free in advance_sched() on schedule switch (CVE-2026-53011) * kernel: wifi: mac80211: bounds-check link_id in ieee80211_ml_epcs (CVE-2026-64030) * kernel: wifi: cfg8021

Sources

References

Freshness

Last verified in this catalog Oct 16, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.