CVE-2024-47702: bpf: Fail verification for sign-extension of packet data/data_end/data_meta
bpf: Fail verification for sign-extension of packet data/dataend/datameta
Other sources
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— Launchpad
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
debian/linuxto a version that resolves this vulnerability.Fixed in 5.10.223-1Fixed in 5.10.234-1Fixed in 6.1.129-1Fixed in 6.1.135-1Fixed in 6.12.25-1Fixed in 6.12.27-1 - Upgrade
Upgrade
Linux kernel bpf verifier for packet ctx member access (__sk_buff->data/__sk_buff->data_end/__sk_buff->data_meta)to a version that resolves this vulnerability.Patch commit 1f1e864b6555
Event History
Frequently Asked Questions
What is the severity of CVE-2024-47702?
CVE-2024-47702 is a critical vulnerability in the Linux kernel affecting certain versions.
Which versions of the Linux kernel are affected by CVE-2024-47702?
CVE-2024-47702 affects Linux kernel versions between 6.6 and 6.10.13 and 6.11 to 6.11.2.
How do I fix CVE-2024-47702?
To fix CVE-2024-47702, update your Linux kernel to a version that is not affected by this vulnerability.
What type of vulnerability is CVE-2024-47702?
CVE-2024-47702 is a sign-extension vulnerability in the BPF (Berkeley Packet Filter) implementation of the Linux kernel.
What are the potential impacts of CVE-2024-47702?
The potential impacts of CVE-2024-47702 include kernel crashes and possible exploitation by malicious actors.