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CVE-2022-2586

HIGH
7.8
CVSS Score
Published: January 8, 2024 at 05:46 PM UTC
Updated: October 14, 2026 at 06:25 PM UTC
5 products affected across 4 vendorsLinux KernelUbuntu LinuxSIMATIC S7-1500 Tm MFP Firmware· also runs on 7 platforms

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Severity
HIGH7.8
Exploitation
CISA KEV
Exploit prediction
EPSS 10%
SSVC
Active

Actively Exploited

CISA Known Exploited Vulnerabilities (KEV) Catalog

EPSS Score10.2%

EPSS (Exploit Prediction Scoring System) estimates a 10.2% chance this CVE is exploited in the wild within the next 30 days — higher than 96% of all CVEs. It complements CVSS: a high EPSS on a mid-severity CVE can still be urgent.

Linux Kernel contains a use-after-free vulnerability in the nft_object, allowing local attackers to escalate privileges.

Required Action
Apply updates per vendor instructions or discontinue use of the product if updates are unavailable.
Ransomware Use
Unknown
Added to KEV
Jun 26, 2024
Remediation Due
Jul 17, 2024
831 days overdue
Notes
This vulnerability affects a common open-source component, third-party library, or a protocol used by different products. For more information, please see: https://seclists.org/oss-sec/2022/q3/131
https://nvd.nist.gov/vuln/detail/CVE-2022-2586

Description

It was discovered that a nft object or expression could reference a nft set on a different nft table, leading to a use-after-free once that table was deleted.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Ubuntu Linux· Canonicalrubygems
95%
14.0416.0418.0420.0422.04
Linux Kernel· Linux
95%
All versions3.16 ≤ v < 4.14.3164.15 ≤ v < 4.19.2564.20 ≤ v < 5.4.2115.11 ≤ v < 5.15.615.16 ≤ v < 5.18.185.19 ≤ v < 5.19.25.5 ≤ v < 5.10.137
Affected range stops below 4.14.316, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.19.256, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.10.137, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.15.61, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.18.18, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.19.2, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.4.211, so it looks safe — our inference, not a vendor statement
Affected range stops below 6.0-rc1, so it looks safe — our inference, not a vendor statement
SIMATIC S7-1500 Tm MFP Firmware· Siemens
95%
All versionsv < 1.1
Sinec OS· Siemens
95%
All versionsv < 2.4
Linux· Linux Kernel Organization
90%
3.164.154.205.115.165.195.5
Affected range stops below 4.14.316, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.19.256, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.10.137, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.15.61, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.18.18, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.19.2, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.4.211, so it looks safe — our inference, not a vendor statement

Runs on — not affected

The affected product only carries this flaw when running on these platforms. The platforms themselves are not vulnerable.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (17)

Issue TrackingThird Party Advisory
Source: [email protected]
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-2586
Issue TrackingMailing ListPatch
Source: [email protected]
https://lore.kernel.org/netfilter-devel/[email protected]/T/#t
Third Party Advisory
Source: [email protected]
https://ubuntu.com/security/notices/USN-5557-1
Third Party Advisory
Source: [email protected]
https://ubuntu.com/security/notices/USN-5560-1
Third Party Advisory
Source: [email protected]
https://ubuntu.com/security/notices/USN-5560-2
Third Party Advisory
Source: [email protected]
https://ubuntu.com/security/notices/USN-5562-1
Third Party Advisory
Source: [email protected]
https://ubuntu.com/security/notices/USN-5564-1
Third Party Advisory
Source: [email protected]
https://ubuntu.com/security/notices/USN-5565-1

SSVC — Action Prioritization

SSVCActiveNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.8HIGH[email protected]
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-416

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