CVE-2022-2586
Exploited in the wild. In CISA KEV since 2024‑06‑26. Fixed versions are out.
What to do
Find your product and version, then upgrade to the build on the right.
- The Linux Kernel Organization linuxAffected: ≥ 3.16, < 4.14.316Upgrade to: 4.14.316Affected: ≥ 4.15, < 4.19.256Upgrade to: 4.19.256Affected: ≥ 4.20, < 5.4.211Upgrade to: 5.4.211Affected: ≥ 5.5, < 5.10.137Upgrade to: 5.10.137 + 3 more branchesStated by: CVE record
- Siemens Simatic S7-1500 Tm Mfp FirmwareAffected: < 1.1Upgrade to: 1.1Stated by: NVD
- Siemens Sinec OsAffected: < 2.4Upgrade to: 2.4Stated by: NVD
- Linux KernelAffected: ≥ 3.16, < 4.14.316Upgrade to: 4.14.316Stated by: NVD
- Canonical Ltd. UbuntuAffected: 18.04 LTSUpgrade to: not statedStated by: BDU
Versions as the sources state them. 8 more products have version data. Full version matrix after sign-in
Coverage timeline
0 publishersAdded to CISA KEV catalog
Sourced from public security reporting — each date is when it was published, not when it happened.
What it is
From the CVE record
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.
In plain language
No plain-language summary for this CVE yet.
Exploitation
Where each signal puts this CVE on the scale from published to confirmed exploited.
- CISA KEV
Listed as exploited in the wild since 2024-06-26.
US federal agencies must remediate by 2024-07-17.
Apply updates per vendor instructions or discontinue use of the product if updates are unavailable.
- Public exploits
1 source with a proof of concept or module.
Exploit links, PoCs and Metasploit modules after sign-in- EPSS
10% chance of exploitation activity in the next 30 days, which ranks it in the 96th percentile of scored CVEs.
Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.
- Attention now
Sustained.
Lifecycle
The patch came 129 days before any public exploit.
- Patch availablepatch available, workaround available, workaround available, record updated, record updated
- Patch availableworkaround available, record updated
- Patch availableworkaround available, record updated
- OpenVAS check added
- EPSS band changelow → moderate
- Public exploit / PoCsource: other
Affected products
And 6 more affected products. See all after sign-in
Technical detail
CVSS 3.1 vector
Open in the CVSS calculatorCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:H
Scored 5.3 by NVD.
How it is reached
- Attack Vector LocalRequires local access to the vulnerable system (e.g. local login, malicious file)
- Attack Complexity HighRequires specific conditions like a race condition or non-default configuration
- Privileges Required LowRequires basic user-level privileges
- User Interaction NoneNo user interaction needed — fully automated exploitation
Scope
- Scope UnchangedImpact is limited to the vulnerable component itself
Impact if exploited
- Confidentiality NoneNo confidentiality impact
- Integrity LowData modification is possible but limited in scope or consequence
- Availability HighTotal denial of service — the component is completely unavailable
Weaknesses
ATT&CK techniques
Mapped from the weaknesses above (CWE to ATT&CK), not observed in attacks.
- Initial AccessT1190Exploit Public-Facing Applicationhigh confidence
- Privilege EscalationT1068Exploitation for Privilege Escalationhigh confidence
Sources
References in the record
- ubuntu.com/security/notices/USN-5564-1
- ubuntu.com/security/notices/USN-5560-2
- ubuntu.com/security/notices/USN-5582-1
And 62 more references. See all after sign-in
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