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CVE-2026-98494

net: atl1: fix soft lockup on out-of-range cmb_tpd_next_to_clean read

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 5.10.271, 5.15.222, 6.1.189, 6.6.158, 6.12.112, and 2 more
None on Exploit-DB, Metasploit or GitHub

Summary

In the Linux kernel, the following vulnerability has been resolved: net: atl1: fix soft lockup on out-of-range cmb_tpd_next_to_clean read Same issue as atl1c (see the first commit in this series, "net: atl1c: fix soft lockup on out-of-range tpd_cons read"): the hardware can report an out-of-range cmb_tpd_next_to_clean (seen as 0xffff) while the PCIe link/MAC is resetting. An out-of-range value can never be reached and the loop below would spin forever. Treat it as "nothing new to clean" instead.

Timeline

  1. CVE published
  2. Record last updated

Affected versions

  • Linux Linux

    From f3cc28c797604fa1cda4aef3f250f465de54a0ca · fixed in 5d7ac337d37cb97d77e4c910d37746694b606661; From f3cc28c797604fa1cda4aef3f250f465de54a0ca · fixed in c55e51d5899e80f9593b26985ed0b89e0c828a5e; From f3cc28c797604fa1cda4aef3f250f465de54a0ca · fixed in 6ab9f61ca851f02ae4398cebaf00735a22e1d6ca; From f3cc28c797604fa1cda4aef3f250f465de54a0ca · fixed in 632cd7b81cb7bab36112f02eb2ee7f7cc1214fb1; From f3cc28c797604fa1cda4aef3f250f465de54a0ca · fixed in 79e2447b11322c27ef9ac423be0a94efc7691f02; From f3cc28c797604fa1cda4aef3f250f465de54a0ca · fixed in 0f573b0576252d44fb27ab8470ea873bc6408ef3; From f3cc28c797604fa1cda4aef3f250f465de54a0ca · fixed in 6285919d4c06254d257d24dc980f6332e1984a82; From f3cc28c797604fa1cda4aef3f250f465de54a0ca · fixed in 43e746821f5f5afbbf68e388bf9fbe221e03bfca

  • Linux Linux

    2.6.21

  • KernelLinux

    From 2.6.21 · fixed in 5.10.271; From 5.11.0 · fixed in 5.15.222; From 5.16.0 · fixed in 6.1.189; From 6.2.0 · fixed in 6.6.158; From 6.7.0 · fixed in 6.12.112; From 6.13.0 · fixed in 6.18.55; From 6.19.0 · fixed in 7.2.9

References 8

git.kernel.org