CVE-2022-2588
Published: January 8, 2024Last modified: May 27, 2025
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.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 7.8 |
| Attack Vector | LOCAL |
| Attack complexity | LOW |
| Privileges required | LOW |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | HIGH |
| Integrity impact | HIGH |
| Availability impact | HIGH |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Notes
Fixed in v6.0 (commit 9ad36309e271)
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | linux-lts | Not affected (6.1.33-r0) |
| Stream | linux-lts | Not affected (6.1.33-r0) |
References
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-2588
- https://github.com/Markakd/CVE-2022-2588
- https://lore.kernel.org/netdev/[email protected]/T/#u
- 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://ubuntu.com/security/notices/USN-5588-1
- https://www.openwall.com/lists/oss-security/2022/08/09/6
- https://www.zerodayinitiative.com/advisories/ZDI-22-1117/