Event Monitor Cyber
EM-20261107-VFP3 VulnerabilityMedium severity

Linux Kernel Vulnerability (CVE-2026-99283)

CVE-2026-99283

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Status
Developing

Since : signals keep joining.

First Signal
Nov 07 20:14 UTCC41 Red Hat Security Data
Page Born
Nov 07 21:31 UTCsecond source joined
Last Signal
Nov 07 21:31 UTC5 hours before snapshot
Sources
21 official · 1 research, news or crowd
Open For
5 hoursso 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 ID never changes, and earlier addresses keep working. 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
    Nov 07 21:17 UTC
    C6 NVD published
  2. Scored: not yet
    Not yet
    No CVSS yet
  3. Exploited: not yet
    Not yet
    No exploitation reported
  4. Advisories: not yet
    Not yet
    None yet
  5. Vendor Response: reached
    Nov 07 20:14 UTC
    C41 published
  6. Resolved: not yet
    Not yet
    After 14 quiet days

Timeline

16:0018:0020:0022:00Nov 8BornC41 Red Hat Security DataC29 CIRCL Vulnerability-Lookup

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

Signals

  1. GHSA-cr3v-f62w-cwx5 / CVE-2026-99283 (opens source in a new tab) In the Linux kernel, the following vulnerability has been resolved: netfilter: conntrack: tcp: use UNACK timeout for non-closing RST packets Commit be0502a3f2e9 ("netfilter: conntrack: tcp: only close if RST matches… Med severityDatabaseC29 CIRCL Vulnerability-Lookup
  2. Red Hat: CVE-2026-99283 (low) (opens source in a new tab) kernel: kernel: Denial of Service via premature connection tracking expiration on TCP RST packets Info severityVendorC41 Red Hat Security Data