CVE-2023-2163

Critical

Description

Incorrect verifier pruning in BPF in Linux Kernel >=5.4 leads to unsafe code paths being incorrectly marked as safe, resulting in arbitrary read/write in kernel memory, lateral privilege escalation, and container escape.

SeverityCritical
CVSS10.0
Exploit probability—
ProductLinux Kernel
PublishedSep 20, 2023
First seenSep 20, 2023
Weakness typeCWE-682CWE-682

How to fix

Update
  • linux linux_kernel5.4.242, 5.10.179, 5.15.109, 6.1.26, 6.2.13 or later

Affected products

ProductAffected versionsFixed in
linux linux_kernel5.3 ≤ v < 5.4.242, 5.5 ≤ v < 5.10.179, 5.11 ≤ v < 5.15.109, 5.16 ≤ v < 6.1.26, 6.2 ≤ v < 6.2.135.4.242, 5.10.179, 5.15.109, 6.1.26, 6.2.13

Check your version

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