CVE-2023-42756
Medium
Description
A flaw was found in the Netfilter subsystem of the Linux kernel. A race condition between IPSET_CMD_ADD and IPSET_CMD_SWAP can lead to a kernel panic due to the invocation of `__ip_set_put` on a wrong `set`. This issue may allow a local user to crash the system.
SeverityMedium
CVSS4.4
Exploit probability—
Product
Linux Kernel
PublishedSep 28, 2023
First seenSep 28, 2023
Weakness typeCWE-362Race condition
How to fix
Update
- linux linux_kernel6.6 or later
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | v < 6.6, 6.6 | 6.6 |
| redhat enterprise_linux | 9.0 | — |
| debian debian_linux | 10.0 | — |
| fedoraproject fedora | 37, 38, 39 | — |
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