CVE-2023-4147
High
Description
A use-after-free flaw was found in the Linux kernel’s Netfilter functionality when adding a rule with NFTA_RULE_CHAIN_ID. This flaw allows a local user to crash or escalate their privileges on the system.
SeverityHigh
CVSS7.8
Exploit probability—
Product
Linux Kernel
PublishedAug 7, 2023
First seenAug 7, 2023
Weakness typeCWE-416Use after free
How to fix
Update
- linux linux_kernel5.10.190, 5.15.124, 6.1.43, 6.4.8 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 5.9 ≤ v < 5.10.190, 5.11 ≤ v < 5.15.124, 5.16 ≤ v < 6.1.43, 6.2 ≤ v < 6.4.8, 6.5 | 5.10.190, 5.15.124, 6.1.43, 6.4.8 |
| fedoraproject fedora | 38 | — |
| redhat enterprise_linux | 9.0 | — |
| redhat enterprise_linux_eus | 9.2 | — |
| redhat enterprise_linux_for_real_time | 9.0 | — |
| redhat enterprise_linux_for_real_time_for_nfv | 9.0 | — |
| redhat enterprise_linux_server_aus | 9.2 | — |
| debian debian_linux | 10.0, 11.0, 12.0 | — |
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