It 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.
Fix
Public exploits 9
- ASkyeye/2022-LPE-UAF PoC on GitHub
- BassamGraini/CVE-2022-2588 PoC on GitHub
- Igr1s-red/CVE-2022-2588 PoC on GitHub
- LSinus/CacheMeIfYouCan PoC on GitHub
- Markakd/CVE-2022-2588 PoC on GitHub
- dom4570/CVE-2022-2588 PoC on GitHub
- konoha279/2022-LPE-UAF PoC on GitHub
- pirenga/2022-LPE-UAF PoC on GitHub
- veritas501/CVE-2022-2588 PoC on GitHub
Each line links to the index that lists it, never to exploit code. Exploit-DB's "verified" and a Metasploit rank of good or better count as verified; a PoC-in-GitHub entry is a repository's claim.
Patch, vendor advisory and mitigation references on NVD 2
- https://lore.kernel.org/netdev/[email protected]/T/#u Mailing List, Patch
- https://lore.kernel.org/netdev/[email protected]/T/#u Mailing List, Patch
Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.
Change history 1
- First seenCVSS 7.8 · linux, canonicalNVD modified 2026-10-14 14:17
Affected (CPE criteria) 6
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:esm:*:*:*cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*cpe:2.3:o:canonical:ubuntu_linux:22.04:*:*:*:lts:*:*:*
References 34
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-2588 Third Party Advisory
- https://github.com/Markakd/CVE-2022-2588 Exploit
- https://lore.kernel.org/netdev/[email protected]/T/#u Mailing List, Patch
- https://ubuntu.com/security/notices/USN-5557-1 Third Party Advisory
- https://ubuntu.com/security/notices/USN-5560-1 Third Party Advisory
- https://ubuntu.com/security/notices/USN-5560-2 Third Party Advisory
- https://ubuntu.com/security/notices/USN-5562-1 Third Party Advisory
- https://ubuntu.com/security/notices/USN-5564-1 Third Party Advisory
- https://ubuntu.com/security/notices/USN-5565-1 Third Party Advisory
- https://ubuntu.com/security/notices/USN-5566-1 Third Party Advisory
- https://ubuntu.com/security/notices/USN-5567-1 Third Party Advisory
- https://ubuntu.com/security/notices/USN-5582-1 Third Party Advisory
- https://ubuntu.com/security/notices/USN-5588-1 Third Party Advisory
- https://www.openwall.com/lists/oss-security/2022/08/09/6 Mailing List
- https://www.zerodayinitiative.com/advisories/ZDI-22-1117/ Third Party Advisory, VDB Entry
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-2588 Third Party Advisory
- https://github.com/Markakd/CVE-2022-2588 Exploit
- https://lore.kernel.org/netdev/[email protected]/T/#u Mailing List, Patch
- https://ubuntu.com/security/notices/USN-5557-1 Third Party Advisory
- https://ubuntu.com/security/notices/USN-5560-1 Third Party Advisory
- https://ubuntu.com/security/notices/USN-5560-2 Third Party Advisory
- https://ubuntu.com/security/notices/USN-5562-1 Third Party Advisory
- https://ubuntu.com/security/notices/USN-5564-1 Third Party Advisory
- https://ubuntu.com/security/notices/USN-5565-1 Third Party Advisory
- https://ubuntu.com/security/notices/USN-5566-1 Third Party Advisory
- https://ubuntu.com/security/notices/USN-5567-1 Third Party Advisory
- https://ubuntu.com/security/notices/USN-5582-1 Third Party Advisory
- https://ubuntu.com/security/notices/USN-5588-1 Third Party Advisory
- https://www.openwall.com/lists/oss-security/2022/08/09/6 Mailing List
- https://www.zerodayinitiative.com/advisories/ZDI-22-1117/ Third Party Advisory, VDB Entry
- https://cert-portal.siemens.com/productcert/html/ssa-419740.html
- https://cert-portal.siemens.com/productcert/html/ssa-769027.html
- https://cert-portal.siemens.com/productcert/html/ssa-794697.html
- https://cert-portal.siemens.com/productcert/html/ssa-831302.html