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Known exploited vulnerability

CVE-2022-2586

highCVSS 3.1 7.8In CISA KEVEPSS 10%Published · The Linux Kernel Organization

The short answer

CVE-2022-2586 affects The Linux Kernel Organization linux and is rated high (CVSS 7.8). CISA added it to the Known Exploited Vulnerabilities catalog on 2024-06-26: attackers are using it, so patch it first. The vendor has linked a patch.

What it is

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.

Weakness: CWE-416.

Severity

7.8 high

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploited (CISA KEV)

Yes, since Jun 26, 2024

Federal due date Jul 17, 2024

EPSS, next 30 days

10%

Higher than 96% of scored CVEs

How it can be exploited

Attack vector
Local
Attack complexity
Low
Privileges required
Low
User interaction
None
Scope
Unchanged
Confidentiality impact
High
Integrity impact
High
Availability impact
High

What CISA says to do

Apply updates per vendor instructions or discontinue use of the product if updates are unavailable.

Affected products

linux, linux_kernel, SIMATIC S7-1500 TM MFP - GNU/Linux subsystem. NVD's record lists the exact affected versions.

References

Questions

Is CVE-2022-2586 being exploited?

Yes. CISA added CVE-2022-2586 to its Known Exploited Vulnerabilities catalog on 2024-06-26, with a federal remediation due date of 2024-07-17.

How do I fix CVE-2022-2586?

CISA's required action: Apply updates per vendor instructions or discontinue use of the product if updates are unavailable.

From NVD, CISA KEV, FIRST EPSS and OSV.dev, checked . Status on NVD: Analyzed. The description is NVD's text, quoted as published.

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