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CVE-2022-0264

Medium

Description

A vulnerability was found in the Linux kernel's eBPF verifier when handling internal data structures. Internal memory locations could be returned to userspace. A local attacker with the permissions to insert eBPF code to the kernel can use this to leak internal kernel memory details defeating some of the exploit mitigations in place for the kernel. This flaws affects kernel versions < v5.16-rc6

SeverityMedium
CVSS5.5
Exploit probability—
ProductLinux Kernel
PublishedFeb 4, 2022
First seenFeb 4, 2022
Weakness typeCWE-755CWE-755

How to fix

Update
  • linux linux_kernel5.16 or later

Affected products

ProductAffected versionsFixed in
linux linux_kernelv < 5.16, 5.165.16

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