CVE-2024-47708
Netkit BPF Null Pointer Dereference Vulnerability
Description
In the Linux kernel, the following vulnerability has been resolved: netkit: Assign missing bpf_net_context During the introduction of struct bpf_net_context handling for XDP-redirect, the netkit driver has been missed, which also requires it because NETKIT_REDIRECT invokes skb_do_redirect() which is accessing the per-CPU variables. Otherwise we see the following crash: BUG: kernel NULL pointer dereference, address: 0000000000000038 bpf_redirect() netkit_xmit() dev_hard_start_xmit() Set the bpf_net_context before invoking netkit_xmit() program within the netkit driver.
INFO
Published Date :
Oct. 21, 2024, 12:15 p.m.
Last Modified :
Oct. 24, 2024, 1:45 p.m.
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Remotely Exploitable :
No
Impact Score :
3.6
Exploitability Score :
1.8
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2024-47708.
| URL | Resource |
|---|---|
| https://git.kernel.org/stable/c/157f29152b61ca41809dd7ead29f5733adeced19 | Patch |
| https://git.kernel.org/stable/c/182c6fed8c7f62cddce0126ec1fc0da2b700fb11 | Patch |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2024-47708 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2024-47708 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
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Initial Analysis by [email protected]
Oct. 24, 2024
Action Type Old Value New Value Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Changed Reference Type https://git.kernel.org/stable/c/157f29152b61ca41809dd7ead29f5733adeced19 No Types Assigned https://git.kernel.org/stable/c/157f29152b61ca41809dd7ead29f5733adeced19 Patch Changed Reference Type https://git.kernel.org/stable/c/182c6fed8c7f62cddce0126ec1fc0da2b700fb11 No Types Assigned https://git.kernel.org/stable/c/182c6fed8c7f62cddce0126ec1fc0da2b700fb11 Patch Added CWE NIST CWE-476 Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.11 up to (excluding) 6.11.2 -
CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Oct. 21, 2024
Action Type Old Value New Value Added Description In the Linux kernel, the following vulnerability has been resolved: netkit: Assign missing bpf_net_context During the introduction of struct bpf_net_context handling for XDP-redirect, the netkit driver has been missed, which also requires it because NETKIT_REDIRECT invokes skb_do_redirect() which is accessing the per-CPU variables. Otherwise we see the following crash: BUG: kernel NULL pointer dereference, address: 0000000000000038 bpf_redirect() netkit_xmit() dev_hard_start_xmit() Set the bpf_net_context before invoking netkit_xmit() program within the netkit driver. Added Reference kernel.org https://git.kernel.org/stable/c/182c6fed8c7f62cddce0126ec1fc0da2b700fb11 [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/157f29152b61ca41809dd7ead29f5733adeced19 [No types assigned]
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2024-47708 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2024-47708
weaknesses.