Event Monitor Cyber
EM-20261030-ZO2P VulnerabilityHigh severity

Linux Kernel Vulnerability (CVE-2026-98432)

CVE-2026-98432

Status
Developing

Since : signals keep joining.

First Signal
Oct 29 15:57 UTCC130 The Hacker News
Page Born
Oct 30 18:03 UTCsecond source joined
Last Signal
Nov 03 11:23 UTC30 hours before snapshot
Sources
42 official · 2 research, news or crowd
Open For
6 daysso far

Life Of This Page

  1. 1
    Born
    A second, independent source names it.
  2. 2
    Developing · Now
    New signals join; severity can move.
  3. 3
    Confirmed
    Not yet
    CISA KEV lists it, or exploitation in the wild is reported.
  4. 4
    Resolved
    Not yet
    Past the fix deadline and 14 days with no new signal.
  5. 5
    Archived
    Not yet
    30 days after resolved. Read only; the link keeps working. Reopens if it comes back.

The address and ID never change. A correction is logged, never overwritten. If two pages turn out to be one incident, the later one points to the earlier.

Vulnerability Lifecycle

  1. Disclosed: reached
    Oct 29 15:57 UTC
    C130 first to name it
  2. Scored: reached
    Oct 29 15:57 UTC
    No CVSS yet · EPSS 0.8%
  3. Exploited: not yet
    Not yet
    No exploitation reported
  4. Advisories: not yet
    Not yet
    None yet
  5. Vendor Response: reached
    Nov 02 08:00 UTC
    C44 published
  6. Resolved: not yet
    Not yet
    After 14 quiet days

Timeline

12:00Oct 3012:00Oct 3112:00Nov 112:00Nov 212:00Nov 312:00BornC130 The Hacker NewsC123 Provider status pages (StatuspaC44 Fortinet PSIRTC159 Mastodon @briankrebs@infosec.ex

Point at a mark to read it. Squares are signals, colored by severity; every one is also listed under Signals.

Signals

  1. Red Hat Patches 9.8-Rated Linux TCP RCE Flaw While Ubuntu Releases Fixes for Testing (opens source in a new tab) Fixed kernels for a use-after-free vulnerability in the Linux kernel's IPv4 TCP code are now available for Red Hat Enterprise Linux 8, 9, and 10, while Ubuntu's fixes for its three newest long-term-support releases remai… Med severityResearch & NewsC130 The Hacker News
  2. Update on the 9.8 CVSS TCP/IP RCE in the Linux kernel (CVE-2026-98432): we've detected what appears to be a threat actor activity scanning t (opens source in a new tab) Update on the 9.8 CVSS TCP/IP RCE in the Linux kernel (CVE-2026-98432): we've detected what appears to be a threat actor activity scanning the entire internet for exposed affected systems. Our own scanning also suggests … Info severityResearch & NewsC159 Mastodon @briankrebs@infosec.exchange
  3. Linode: Customer Security Advisory: CVE-2026-98432 (opens source in a new tab) investigating. While we continue to deploy kernel patches across our infrastructure, we have also deployed network rules that drop IPv4 packets with optional headers on public and VPC interfaces. This eliminates the imme… Info severityProvider StatusC123 Provider status pages (Statuspage)
  4. Akamai: Customer Security Advisory: CVE-2026-98432 (opens source in a new tab) investigating. We are continuing to investigate this issue. Customers and partners can find more details on the Akamai Community: https://community.akamai.com/customers/s/feed/0D5a700001cIGoWCAW. We will provide an updat… Info severityProvider StatusC123 Provider status pages (Statuspage)
  5. Linux kernel RCE CVE-2026-98432 (opens source in a new tab) CVSSv3 Score: 9.8 CVE-2026-98432:ipv4: free inet_opt and ireq_opt after an RCU grace period tcp_v4_syn_recv_sock() transfers ownership of ireq->ireq_opt to the child socket (newinet->inet_opt) without copying it. Another… High severityVendorC44 Fortinet PSIRT
  6. Akamai: Customer Security Advisory: CVE-2026-98432 (opens source in a new tab) investigating. We are continuing to investigate this issue. Customers and partners can find more details on the Akamai Community: https://community.akamai.com/customers/s/feed/0D5a700001cIGoWCAW. We will provide an updat… Info severityProvider StatusC123 Provider status pages (Statuspage)
  7. Linode: Customer Security Advisory: CVE-2026-98432 (opens source in a new tab) investigating. We are in the process of deploying mitigations for the underlying known attack vector while we continue to analyze any other possible impact. Customers are strongly advised to apply OS updates from their u… Info severityProvider StatusC123 Provider status pages (Statuspage)
  8. Linode: Customer Security Advisory: CVE-2026-98432 (opens source in a new tab) investigating. We are continuing to investigate this issue. The appropriate subject matter experts are engaged. Subsequent updates around mitigation status will be posted as progress is made. Info severityProvider StatusC123 Provider status pages (Statuspage)
  9. Akamai: Customer Security Advisory: CVE-2026-98432 (opens source in a new tab) investigating. We are continuing to investigate this issue. Customers and partners can find more details on the Akamai Community: https://community.akamai.com/customers/s/feed/0D5a700001cIGoWCAW. We will provide an updat… Info severityProvider StatusC123 Provider status pages (Statuspage)
  10. Linode: Customer Security Advisory: CVE-2026-98432 (opens source in a new tab) investigating. Akamai is aware of the recently published remote code execution CVE-2026-98432. We are actively investigating and taking the appropriate mitigation actions, while we continue to monitor our platform in par… Info severityProvider StatusC123 Provider status pages (Statuspage)
  11. Akamai: Customer Security Advisory: CVE-2026-98432 (opens source in a new tab) investigating. Akamai is aware of the recently published remote code execution CVE-2026-98432. We are actively investigating and taking the appropriate mitigation actions, while we continue to monitor our platform in par… Info severityProvider StatusC123 Provider status pages (Statuspage)
  12. Linux Kernel TCP Flaw With 9.8 CVSS Score Affects Ubuntu, Red Hat and Other Distributions (opens source in a new tab) A flaw in the Linux kernel's TCP code, tracked as CVE-2026-98432, affects Ubuntu, Red Hat Enterprise Linux (RHEL), and other Linux distributions. The kernel's own CVE team rates it 9.8 out of 10 on the CVSS scale. Anthro… Med severityResearch & NewsC130 The Hacker News