{"id":"CVE-2024-41036","summary":"net: ks8851: Fix deadlock with the SPI chip variant","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: ks8851: Fix deadlock with the SPI chip variant\n\nWhen SMP is enabled and spinlocks are actually functional then there is\na deadlock with the 'statelock' spinlock between ks8851_start_xmit_spi\nand ks8851_irq:\n\n    watchdog: BUG: soft lockup - CPU#0 stuck for 27s!\n    call trace:\n      queued_spin_lock_slowpath+0x100/0x284\n      do_raw_spin_lock+0x34/0x44\n      ks8851_start_xmit_spi+0x30/0xb8\n      ks8851_start_xmit+0x14/0x20\n      netdev_start_xmit+0x40/0x6c\n      dev_hard_start_xmit+0x6c/0xbc\n      sch_direct_xmit+0xa4/0x22c\n      __qdisc_run+0x138/0x3fc\n      qdisc_run+0x24/0x3c\n      net_tx_action+0xf8/0x130\n      handle_softirqs+0x1ac/0x1f0\n      __do_softirq+0x14/0x20\n      ____do_softirq+0x10/0x1c\n      call_on_irq_stack+0x3c/0x58\n      do_softirq_own_stack+0x1c/0x28\n      __irq_exit_rcu+0x54/0x9c\n      irq_exit_rcu+0x10/0x1c\n      el1_interrupt+0x38/0x50\n      el1h_64_irq_handler+0x18/0x24\n      el1h_64_irq+0x64/0x68\n      __netif_schedule+0x6c/0x80\n      netif_tx_wake_queue+0x38/0x48\n      ks8851_irq+0xb8/0x2c8\n      irq_thread_fn+0x2c/0x74\n      irq_thread+0x10c/0x1b0\n      kthread+0xc8/0xd8\n      ret_from_fork+0x10/0x20\n\nThis issue has not been identified earlier because tests were done on\na device with SMP disabled and so spinlocks were actually NOPs.\n\nNow use spin_(un)lock_bh for TX queue related locking to avoid execution\nof softirq work synchronously that would lead to a deadlock.","modified":"2026-04-02T12:16:32.485226Z","published":"2024-07-29T14:31:50.669Z","related":["MGASA-2024-0277","MGASA-2024-0278","SUSE-SU-2024:3190-1","SUSE-SU-2024:3194-1","SUSE-SU-2024:3195-1","SUSE-SU-2024:3209-1","SUSE-SU-2024:3383-1","SUSE-SU-2024:3483-1","SUSE-SU-2025:20044-1","SUSE-SU-2025:20047-1"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/41xxx/CVE-2024-41036.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/0913ec336a6c0c4a2b296bd9f74f8e41c4c83c8c"},{"type":"WEB","url":"https://git.kernel.org/stable/c/10fec0cd0e8f56ff06c46bb24254c7d8f8f2bbf0"},{"type":"WEB","url":"https://git.kernel.org/stable/c/80ece00137300d74642f2038c8fe5440deaf9f05"},{"type":"WEB","url":"https://git.kernel.org/stable/c/a0c69c492f4a8fad52f0a97565241c926160c9a4"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/41xxx/CVE-2024-41036.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-41036"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"1092525155eaad5c69ca9f3b6f3e7895a9424d66"},{"fixed":"a0c69c492f4a8fad52f0a97565241c926160c9a4"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"30302b41ffdcd194bef27fb3b1a9f2ca53dedb27"},{"fixed":"80ece00137300d74642f2038c8fe5440deaf9f05"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"3dc5d44545453de1de9c53cc529cc960a85933da"},{"fixed":"10fec0cd0e8f56ff06c46bb24254c7d8f8f2bbf0"},{"fixed":"0913ec336a6c0c4a2b296bd9f74f8e41c4c83c8c"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"0"},{"last_affected":"786788bb1396ed5ea27e39c4933f59f4e52004e4"},{"last_affected":"7c25c5d7274631b655f0f9098a16241fcd5db57b"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-41036.json"}}],"schema_version":"1.7.5"}