CVE-2024-38597 (GCVE-0-2024-38597)
Vulnerability from cvelistv5
Published
2024-06-19 13:45
Modified
2025-05-04 09:14
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: eth: sungem: remove .ndo_poll_controller to avoid deadlocks Erhard reports netpoll warnings from sungem: netpoll_send_skb_on_dev(): eth0 enabled interrupts in poll (gem_start_xmit+0x0/0x398) WARNING: CPU: 1 PID: 1 at net/core/netpoll.c:370 netpoll_send_skb+0x1fc/0x20c gem_poll_controller() disables interrupts, which may sleep. We can't sleep in netpoll, it has interrupts disabled completely. Strangely, gem_poll_controller() doesn't even poll the completions, and instead acts as if an interrupt has fired so it just schedules NAPI and exits. None of this has been necessary for years, since netpoll invokes NAPI directly.
References
Impacted products
Vendor Product Version
Linux Linux Version: fe09bb619096a0aa139210748ddc668c2dbe2308
Version: fe09bb619096a0aa139210748ddc668c2dbe2308
Version: fe09bb619096a0aa139210748ddc668c2dbe2308
Version: fe09bb619096a0aa139210748ddc668c2dbe2308
Version: fe09bb619096a0aa139210748ddc668c2dbe2308
Version: fe09bb619096a0aa139210748ddc668c2dbe2308
Version: fe09bb619096a0aa139210748ddc668c2dbe2308
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