CVE-2023-31248
Published: July 5, 2023Last modified: September 12, 2023
Description
Linux Kernel nftables Use-After-Free Local Privilege Escalation Vulnerability; `nft_chain_lookup_byid()` failed to check whether a chain was active and CAP_NET_ADMIN is in any user or network namespace
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 |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | linux-lts | Not affected (6.1.50-r0) |
| Stream | linux-lts | Not affected (6.1.50-r0) |
References
- http://packetstormsecurity.com/files/173757/Kernel-Live-Patch-Security-Notice-LSN-0096-1.html
- http://packetstormsecurity.com/files/174577/Kernel-Live-Patch-Security-Notice-LSN-0097-1.html
- http://www.openwall.com/lists/oss-security/2023/07/05/2
- https://lists.debian.org/debian-lts-announce/2023/08/msg00001.html
- https://lists.fedoraproject.org/archives/list/[email protected]/message/RGZC5XOANA75OJ4XARBBXYSLDKUIJI5E/
- https://lists.fedoraproject.org/archives/list/[email protected]/message/UPHI46ROSSLVAV4R5LJWJYU747JGOS6D/
- https://lore.kernel.org/netfilter-devel/[email protected]/T/
- https://security.netapp.com/advisory/ntap-20240201-0001/
- https://www.debian.org/security/2023/dsa-5453
- https://www.openwall.com/lists/oss-security/2023/07/05/2