UBUNTU-CVE-2025-38545
In the Linux kernel, the following vulnerability has been resolved: net: ethernet: ti: am65-cpsw-nuss: Fix skb size by accounting for skb_shared_info While transitioning from netdev_alloc_ip_align() to build_skb(), memory for the "skb_shared_info" member of an "skb" was not allocated. Fix this by allocating "PAGE_SIZE" as the skb length, accounting for the packet length, headroom and tailroom, thereby including the required memory space for skb_shared_info.
02 / AFFECTED SOFTWARE
Affected packages
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26 explicit affected versions
45 explicit affected versions
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78 explicit affected versions
11 explicit affected versions
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03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
In the Linux kernel, the following vulnerability has been resolved: net: ethernet: ti: am65-cpsw-nuss: Fix skb size by accounting for skb_shared_info While transitioning from netdev_alloc_ip_align() to build_skb(), memory for the "skb_shared_info" member of an "skb" was not allocated. Fix this by allocating "PAGE_SIZE" as the skb length, accounting for the packet length, headroom and tailroom, thereby including the required memory space for skb_shared_info.
05 / REFERENCES
Further evidence
- https://git.kernel.org/linus/02c4d6c26f1f662da8885b299c224ca6628ad232
- https://git.kernel.org/stable/c/02c4d6c26f1f662da8885b299c224ca6628ad232
- https://git.kernel.org/stable/c/7d6ca0c8c0caf9a13cae2de763bb1f2a9ea7eabb
- https://git.kernel.org/stable/c/fc2fffa2facac15ce711e95f98f954426e025bc5
- https://ubuntu.com/security/CVE-2025-38545
- https://ubuntu.com/security/notices/USN-7879-1
- https://ubuntu.com/security/notices/USN-7879-2
- https://ubuntu.com/security/notices/USN-7879-3
- https://ubuntu.com/security/notices/USN-7879-4
- https://ubuntu.com/security/notices/USN-7880-1
- https://ubuntu.com/security/notices/USN-7934-1
- https://www.cve.org/CVERecord?id=CVE-2025-38545