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.

References

• https://www.cisa.gov/known-exploited-vulnerabilities-catalog
• https://nvd.nist.gov/vuln/detail/CVE-2022-2586
• https://seclists.org/oss-sec/2022/q3/131
• https://packetstorm.news/files/id/225434/
• https://packetstorm.news/download/225434
• https://euvd.enisa.europa.eu/vulnerability/EUVD-2022-34835
• https://ubuntu.com/security/notices/USN-5564-1
• https://ubuntu.com/security/notices/USN-5560-2
• https://ubuntu.com/security/notices/USN-5582-1
• https://ubuntu.com/security/notices/USN-5567-1
• https://ubuntu.com/security/notices/USN-5560-1
• https://ubuntu.com/security/notices/USN-5566-1
• https://www.openwall.com/lists/oss-security/2022/08/09/5
• https://ubuntu.com/security/notices/USN-5565-1
• https://www.zerodayinitiative.com/advisories/ZDI-22-1118/
• https://lore.kernel.org/netfilter-devel/20220809170148.164591-1-cascardo@canonical.com/T/#t
• https://ubuntu.com/security/notices/USN-5562-1
• https://ubuntu.com/security/notices/USN-5557-1
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-2586