VulnerabilityModified
CVE-2022-2588
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.
HIGH 7.8EPSS 5.87%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (5.87%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 5.87% probability · 93th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-416, CWE-415
- Affected
- linux/linux kernel · canonical/ubuntu linux
- Source
- security@ubuntu.com
References
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-2588Third Party Advisory
- https://github.com/Markakd/CVE-2022-2588Exploit
- https://lore.kernel.org/netdev/20220809170518.164662-1-cascardo@canonical.com/T/#uMailing List, Patch
- https://ubuntu.com/security/notices/USN-5557-1Third Party Advisory
- https://ubuntu.com/security/notices/USN-5560-1Third Party Advisory
- https://ubuntu.com/security/notices/USN-5560-2Third Party Advisory
- https://ubuntu.com/security/notices/USN-5562-1Third Party Advisory
- https://ubuntu.com/security/notices/USN-5564-1Third Party Advisory
- https://ubuntu.com/security/notices/USN-5565-1Third Party Advisory
- https://ubuntu.com/security/notices/USN-5566-1Third Party Advisory
- https://ubuntu.com/security/notices/USN-5567-1Third Party Advisory
- https://ubuntu.com/security/notices/USN-5582-1Third Party Advisory
- https://ubuntu.com/security/notices/USN-5588-1Third Party Advisory
- https://www.openwall.com/lists/oss-security/2022/08/09/6Mailing List
- https://www.zerodayinitiative.com/advisories/ZDI-22-1117/Third Party Advisory, VDB Entry
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-2588Third Party Advisory
- https://github.com/Markakd/CVE-2022-2588Exploit
- https://lore.kernel.org/netdev/20220809170518.164662-1-cascardo@canonical.com/T/#uMailing List, Patch
- https://ubuntu.com/security/notices/USN-5557-1Third Party Advisory
- https://ubuntu.com/security/notices/USN-5560-1Third Party Advisory
- https://ubuntu.com/security/notices/USN-5560-2Third Party Advisory
- https://ubuntu.com/security/notices/USN-5562-1Third Party Advisory
- https://ubuntu.com/security/notices/USN-5564-1Third Party Advisory
- https://ubuntu.com/security/notices/USN-5565-1Third Party Advisory
- https://ubuntu.com/security/notices/USN-5566-1Third Party Advisory
- https://ubuntu.com/security/notices/USN-5567-1Third Party Advisory
- https://ubuntu.com/security/notices/USN-5582-1Third Party Advisory
- https://ubuntu.com/security/notices/USN-5588-1Third Party Advisory
- https://www.openwall.com/lists/oss-security/2022/08/09/6Mailing List
- https://www.zerodayinitiative.com/advisories/ZDI-22-1117/Third Party Advisory, VDB Entry
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.