CVE-2022-2588
HighIt was discovered that the cls_route filter implementation in the Linux kernel would not remove an old filter from the hashtable before freeing it if its handle had the value 0.
CVSS 3.1 score
7.8
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness type
CWE-416CVE-2022-2588 is a Use After Free vulnerability
What is Use After Free?
The product references memory after it has been freed, which may cause it to crash, use unexpected values, or execute code. Learn more on MITRE CWE
References
The following references provide additional information about CVE-2022-2588 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.
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Third Party Advisory
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Exploit
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Ubuntu Securityhttps://ubuntu.com/security/notices/USN-5557-1Third Party Advisory
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Ubuntu Securityhttps://ubuntu.com/security/notices/USN-5560-1Third Party Advisory
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Ubuntu Securityhttps://ubuntu.com/security/notices/USN-5560-2Third Party Advisory
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Ubuntu Securityhttps://ubuntu.com/security/notices/USN-5562-1Third Party Advisory
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Ubuntu Securityhttps://ubuntu.com/security/notices/USN-5564-1Third Party Advisory
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Ubuntu Securityhttps://ubuntu.com/security/notices/USN-5565-1Third Party Advisory
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Ubuntu Securityhttps://ubuntu.com/security/notices/USN-5566-1Third Party Advisory
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Ubuntu Securityhttps://ubuntu.com/security/notices/USN-5567-1Third Party Advisory
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Ubuntu Securityhttps://ubuntu.com/security/notices/USN-5582-1Third Party Advisory
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Ubuntu Securityhttps://ubuntu.com/security/notices/USN-5588-1Third Party Advisory
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Mailing List
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Zerodayinitiativehttps://www.zerodayinitiative.com/advisories/ZDI-22-1117/Third Party Advisory VDB Entry
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PatchKernel patch commithttps://lore.kernel.org/netdev/[email protected]/T/#u
Frequently asked questions
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What is CVE-2022-2588?
CVE-2022-2588 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10 , classified as an Use After Free flaw (CWE-416) . CVE-2022-2588 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
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What is the CVSS score for CVE-2022-2588?
CVE-2022-2588 has a CVSS score of 7.8 out of 10, rated High severity (CVSS 3.1). The vector string is
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. -
Is there a patch available for CVE-2022-2588?
No patch is currently available for CVE-2022-2588. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
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Is CVE-2022-2588 actively exploited?
No — CVE-2022-2588 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
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What is Use After Free (CWE-416)?
The product references memory after it has been freed, which may cause it to crash, use unexpected values, or execute code. View CWE-416 on MITRE CWE →