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 products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
The Linux Kernel Organization linux
Default version status: unaffected
3.16 to < 4.14.316affected4.15 to < 4.19.256affected4.20 to < 5.4.211affected5.5 to < 5.10.137affected5.11 to < 5.15.61affected5.16 to < 5.18.18affected5.19 to < 5.19.2affected
References
- 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 ↗
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-2586 ↗
- https://www.vicarius.io/vsociety/posts/use-after-free-vulnerability-linked-chain-between-nft-tables-cve-2022-2586 ↗
- https://cert-portal.siemens.com/productcert/html/ssa-794697.html ↗
- https://cert-portal.siemens.com/productcert/html/ssa-806742.html ↗