CVE-2023-31248
Severity
7.8HIGH
EPSS
0.2%
top 57.43%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedJul 5
Latest updateSep 5
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
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9
Affected Packages3 packages
Also affects: Debian Linux 11.0, Ubuntu Linux 14.04, 16.04, 18.04, 20.04, 22.04, Fedora 37, 38
Patches
🔴Vulnerability Details
5OSV▶
CVE-2023-31248: Linux Kernel nftables Use-After-Free Local Privilege Escalation Vulnerability; `nft_chain_lookup_byid()` failed to check whether a chain was active an↗2023-07-05
GHSA▶
GHSA-vr3g-637q-4rh6: Linux Kernel nftables Use-After-Free Local Privilege Escalation Vulnerability; `nft_chain_lookup_byid()` failed to check whether a chain was active an↗2023-07-05