CVE-2023-32233

High

Description

In the Linux kernel through 6.3.1, a use-after-free in Netfilter nf_tables when processing batch requests can be abused to perform arbitrary read and write operations on kernel memory. Unprivileged local users can obtain root privileges. This occurs because anonymous sets are mishandled.

SeverityHigh
CVSS7.8
Exploit probability96. percentile13.4%
ProductLinux Kernel
PublishedMay 8, 2023
First seenMay 8, 2023

How to fix

Update
  • linux linux_kernel4.14.315, 4.19.283, 5.4.243, 5.10.180, 5.15.111, 6.1.28, 6.2.15, 6.3.2 or later

Affected products

ProductAffected versionsFixed in
linux linux_kernel3.13 ≤ v < 4.14.315, 4.15 ≤ v < 4.19.283, 4.20 ≤ v < 5.4.243, 5.5 ≤ v < 5.10.180, 5.11 ≤ v < 5.15.111, 5.16 ≤ v < 6.1.28, 6.2 ≤ v < 6.2.15, 6.3 ≤ v < 6.3.24.14.315, 4.19.283, 5.4.243, 5.10.180, 5.15.111, 6.1.28, 6.2.15, 6.3.2
redhat enterprise_linux7.0, 8.0, 9.0—
netapp hci_baseboard_management_controllerh300s, h410c, h410s, h500s, h700s—

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