PT-2026-47377 · Linux · Linux Kernel

Published 2026-06-08 · Updated 2026-06-08 · CVE-2026-46306

Positive Technologies (AI Summary)

Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)

Description An issue exists in the flow dissector where the processing of PPPoE Protocol Field Compression (PFC) frames can lead to a 4-byte misalignment of the network header. This misalignment causes an unaligned access exception on certain architectures, such as MIPS boards with RPS enabled, when a PPPoE PFC frame is sent to an ethernet interface. The flaw is triggered within the skb flow dissect() function.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Related Identifiers

CVE-2026-46306

Affected Products

Linux Kernel

References · 10

• https://nvd.nist.gov/vuln/detail/CVE-2026-46306 · Security Note
• https://git.kernel.org/stable/c/0d00b9015069712944934bab09eaa6c542143049 · Note
• https://twitter.com/VulmonFeeds/status/2064133917221716405 · Twitter Post
• https://git.kernel.org/stable/c/18ae9eacfc95cc715c0606b2c86e8aa8a86cf3e3 · Note
• https://git.kernel.org/stable/c/db104b0d8a7856397c0469d83a4289adf7c54863 · Note
• https://git.kernel.org/stable/c/d6c19b31a3c1d519fabdcf0aa239e6b6109b9473 · Note
• https://git.kernel.org/stable/c/e7c811ca372d53c2be7d01a1614e71fae1054836 · Note
• https://git.kernel.org/stable/c/7c93f353eab4ea911e394630f07d72e040a729d8 · Note
• https://git.kernel.org/stable/c/6044392d9cace3a3672b02c8bc7d38b502e51734 · Note
• https://git.kernel.org/stable/c/abc5bc84e0f2edc7ea2d437afa6ef3fe1fc43200 · Note