medium5.3Known exploited
CVE-2022-2586
Linux Kernel Use-After-Free Vulnerability
Exploited in the wild
This vulnerability is on a Known Exploited Vulnerabilities catalogue, added 2024-06-26. Federal due date: 2024-07-17.
Apply updates per vendor instructions or discontinue use of the product if updates are unavailable.
Impact
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
| Vendor | Product | Affected versions |
|---|---|---|
| Siemens | Simatic S7-1500 Tm Mfp Firmware | before 1.1 |
| Siemens | Sinec Os | before 2.4 |
| Linux | Linux Kernel | from 3.16 before 4.14.316 from 4.15 before 4.19.256 from 4.20 before 5.4.211 from 5.5 before 5.10.137 from 5.11 before 5.15.61 from 5.16 before 5.18.18 |
| Canonical | Ubuntu Linux | Versions 14.04, 16.04, 18.04, 20.04, 22.04 |
Weakness classification
References
- NVD record
- CVE.org record
- CISA KEV catalog
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-2586
- https://lore.kernel.org/netfilter-devel/20220809170148.164591-1-cascardo@canonical.com/T/#t
- https://ubuntu.com/security/notices/USN-5557-1
- https://ubuntu.com/security/notices/USN-5560-1
- https://ubuntu.com/security/notices/USN-5560-2
- https://ubuntu.com/security/notices/USN-5562-1
- https://ubuntu.com/security/notices/USN-5564-1
- https://ubuntu.com/security/notices/USN-5565-1
- https://ubuntu.com/security/notices/USN-5566-1
- https://ubuntu.com/security/notices/USN-5567-1
- https://ubuntu.com/security/notices/USN-5582-1
- https://www.openwall.com/lists/oss-security/2022/08/09/5
- https://www.zerodayinitiative.com/advisories/ZDI-22-1118/
- 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
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-2586