VulnerabilityPublished 6 Apr 2026Updated 4 Nov 2026

CVE-2026-23060: linux-realtime-6.17 vulnerabilities

Affects Linux kernelSource GCVE Database

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Mentioned vulnerabilities

Authoritative record:CVE-2026-23060· High

Not known to be exploited : upgrade to 6.17.0-1009.10~24.04.1 soon.

Data as of 5 Nov 2026, 00:01 UTC

Severity

High

Rated High by Threat Radar's AI analysis · No CVSS score from NVD or the CNA

EPSS: 0.1% chance of exploitation in 30 days – higher than 7% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch: Available – fixed in 6.17.0-1009.10~24.04.1

Exploitation evidence

Disclosed: evidence found.
CVE published 4 Feb 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 4 Nov 2026.

Disclosed: The CVE record is public on cve.org. Its publication is t = 0.
Detectable: A public nuclei template can find exposed instances, for defenders and attackers alike.
Weaponized: A Metasploit exploit module or Exploit-DB entry exists (Metasploit scanner modules do not count), or CISA SSVC or the CVSS exploit maturity reports a public proof of concept.
Exploited in the wild: CISA KEV lists it, CISA SSVC rates exploitation active, or a source reports attacks.
Observed by OffSeq Mirage: OffSeq Mirage honeypot sensors recorded attack traffic for this CVE, or found exposed hosts without attack traffic.

Moments are spaced evenly, not to scale; a dashed line marks a gap of six months or more. Deltas count from t = 0. Sources that give only a date (CISA KEV, Exploit-DB, or a time of exactly 00:00Z) read “same day” rather than hours. Metasploit modules carry the flaw’s disclosure date, not their release date, and nuclei templates carry no date, so both appear above but not on the timeline.

usn-8148-4

What to do

Upgrade the Ubuntu linux-realtime-6.17 package to 6.17.0-1009.10~24.04.1.

Patches and advisories

ubuntu.com/security/notices/USN-8148-4 (opens in a new tab)

Affected software

Product	Affected	Fixed in
Ubuntu Pro Realtime 24.04 LTSlinux-realtime-6.17`pkg:deb/ubuntu/linux-realtime-6.17?arch=source&distro=realtime/noble`Other threats	Affected <6.17.0-1009.10~24.04.1	Fixed in 6.17.0-1009.10~24.04.1

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

A security update is available and should be applied immediately. Users should update to linux-image-6.17.0-1009.10~24.04.1 or later and reboot their systems to complete the installation. Due to an ABI change, all third-party kernel modules must be recompiled and reinstalled after the update. Standard system upgrades will handle this automatically unless kernel metapackages have been manually removed.

Description

Multiple security vulnerabilities were identified in the Linux kernel real-time version 6.17, affecting subsystems including the Cryptographic API, Netfilter, and network traffic control. These flaws could potentially allow an attacker to compromise the system. A security update has been released to address these issues, requiring a system reboot and recompilation of third-party kernel modules due to an ABI change.

Impact

If exploited, these vulnerabilities could allow an attacker to compromise the affected Linux kernel real-time system, potentially leading to unauthorized actions or control. The exact nature of the compromise is not detailed, but the affected subsystems are critical for cryptographic operations, network filtering, and traffic control, which are essential for system security and network integrity.

References

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