CVE-2025-38441
Vulnerability Scoring
Analysis In Progress
CVE-2025-38441 Vulnerability Analysis & Exploit Details
CVE-2025-38441
Attack Complexity Details
-
Attack Complexity:
Attack Complexity Analysis In Progress
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Attack Vector:
Attack Vector Under Analysis
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Privileges Required:
None
No authentication is required for exploitation.
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Scope:
Impact is confined to the initially vulnerable component.
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User Interaction:
None
No user interaction is necessary for exploitation.
CVE-2025-38441 Details
Status: Awaiting Analysis
Last updated: 🕑 29 Jul 2025, 14:14 UTC
Originally published on: 🕓 25 Jul 2025, 16:15 UTC
Time between publication and last update: 3 days
CVSS Release:
CVE-2025-38441 Vulnerability Summary
CVE-2025-38441: In the Linux kernel, the following vulnerability has been resolved: netfilter: flowtable: account for Ethernet header in nf_flow_pppoe_proto() syzbot found a potential access to uninit-value in nf_flow_pppoe_proto() Blamed commit forgot the Ethernet header. BUG: KMSAN: uninit-value in nf_flow_offload_inet_hook+0x7e4/0x940 net/netfilter/nf_flow_table_inet.c:27 nf_flow_offload_inet_hook+0x7e4/0x940 net/netfilter/nf_flow_table_inet.c:27 nf_hook_entry_hookfn include/linux/netfilter.h:157 [inline] nf_hook_slow+0xe1/0x3d0 net/netfilter/core.c:623 nf_hook_ingress include/linux/netfilter_netdev.h:34 [inline] nf_ingress net/core/dev.c:5742 [inline] __netif_receive_skb_core+0x4aff/0x70c0 net/core/dev.c:5837 __netif_receive_skb_one_core net/core/dev.c:5975 [inline] __netif_receive_skb+0xcc/0xac0 net/core/dev.c:6090 netif_receive_skb_internal net/core/dev.c:6176 [inline] netif_receive_skb+0x57/0x630 net/core/dev.c:6235 tun_rx_batched+0x1df/0x980 drivers/net/tun.c:1485 tun_get_user+0x4ee0/0x6b40 drivers/net/tun.c:1938 tun_chr_write_iter+0x3e9/0x5c0 drivers/net/tun.c:1984 new_sync_write fs/read_write.c:593 [inline] vfs_write+0xb4b/0x1580 fs/read_write.c:686 ksys_write fs/read_write.c:738 [inline] __do_sys_write fs/read_write.c:749 [inline]
Assessing the Risk of CVE-2025-38441
Access Complexity Graph
The exploitability of CVE-2025-38441 depends on two key factors: attack complexity (the level of effort required to execute an exploit) and privileges required (the access level an attacker needs).
Exploitability Analysis for CVE-2025-38441
No exploitability data is available for CVE-2025-38441.
Understanding AC and PR
A lower complexity and fewer privilege requirements make exploitation easier. Security teams should evaluate these aspects to determine the urgency of mitigation strategies, such as patch management and access control policies.
Attack Complexity (AC) measures the difficulty in executing an exploit. A high AC means that specific conditions must be met, making an attack more challenging, while a low AC means the vulnerability can be exploited with minimal effort.
Privileges Required (PR) determine the level of system access necessary for an attack. Vulnerabilities requiring no privileges are more accessible to attackers, whereas high privilege requirements limit exploitation to authorized users with elevated access.
CVSS Score Breakdown Chart
Above is the CVSS Sub-score Breakdown for CVE-2025-38441, illustrating how Base, Impact, and Exploitability factors combine to form the overall severity rating. A higher sub-score typically indicates a more severe or easier-to-exploit vulnerability.
CIA Impact Analysis
Below is the Impact Analysis for CVE-2025-38441, showing how Confidentiality, Integrity, and Availability might be affected if the vulnerability is exploited. Higher values usually signal greater potential damage.
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Confidentiality:
None
CVE-2025-38441 does not compromise confidentiality.
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Integrity:
None
CVE-2025-38441 does not impact data integrity.
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Availability:
None
CVE-2025-38441 does not affect system availability.
CVE-2025-38441 References
External References
- https://git.kernel.org/stable/c/18cdb3d982da8976b28d57691eb256ec5688fad2
- https://git.kernel.org/stable/c/9fbc49429a23b02595ba82536c5ea425fdabb221
- https://git.kernel.org/stable/c/a3aea97d55964e70a1e6426aa4cafdc036e8a2dd
- https://git.kernel.org/stable/c/cfbf0665969af2c69d10c377d4c3d306e717efb4
- https://git.kernel.org/stable/c/e0dd2e9729660f3f4fcb16e0aef87342911528ef
- https://git.kernel.org/stable/c/eed8960b289327235185b7c32649c3470a3e969b
CWE Common Weakness Enumeration
Unknown
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