In the Linux kernel, the following vulnerability has been resolved:
ice: fix locking for Tx timestamp tracking flush
Commit 4dd0d5c33c3e ("ice: add lock around Tx timestamp tracker flush") added a lock around the Tx timestamp tracker flow which is used to cleanup any left over SKBs and prepare for device removal.
This lock is problematic because it is being held around a call to ice_clear_phy_tstamp. The clear function takes a mutex to send a PHY write command to firmware. This could lead to a deadlock if the mutex actually sleeps, and causes the following warning on a kernel with preemption debugging enabled:
[ 715.419426] BUG: sleeping function called from invalid context at kernel/locking/mutex.c:573 [ 715.427900] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 3100, name: rmmod [ 715.435652] INFO: lockdep is turned off. [ 715.439591] Preemption disabled at: [ 715.439594] [<0000000000000000>] 0x0 [ 715.446678] CPU: 52 PID: 3100 Comm: rmmod Tainted: G W OE 5.15.0-rc4+ #42 bdd7ec3018e725f159ca0d372ce8c2c0e784891c [ 715.458058] Hardware name: Intel Corporation S2600STQ/S2600STQ, BIOS SE5C620.86B.02.01.0010.010620200716 01/06/2020 [ 715.468483] Call Trace: [ 715.470940] dump_stack_lvl+0x6a/0x9a [ 715.474613] ___might_sleep.cold+0x224/0x26a [ 715.478895] __mutex_lock+0xb3/0x1440 [ 715.482569] ? stack_depot_save+0x378/0x500 [ 715.486763] ? ice_sq_send_cmd+0x78/0x14c0 [ice 9a7e1ec00971c89ecd3fe0d4dc7da2b3786a421d] [ 715.494979] ? kfree+0xc1/0x520 [ 715.498128] ? mutex_lock_io_nested+0x12a0/0x12a0 [ 715.502837] ? kasan_set_free_info+0x20/0x30 [ 715.507110] ? __kasan_slab_free+0x10b/0x140 [ 715.511385] ? slab_free_freelist_hook+0xc7/0x220 [ 715.516092] ? kfree+0xc1/0x520 [ 715.519235] ? ice_deinit_lag+0x16c/0x220 [ice 9a7e1ec00971c89ecd3fe0d4dc7da2b3786a421d] [ 715.527359] ? ice_remove+0x1cf/0x6a0 [ice 9a7e1ec00971c89ecd3fe0d4dc7da2b3786a421d] [ 715.535133] ? pci_device_remove+0xab/0x1d0 [ 715.539318] ? __device_release_driver+0x35b/0x690 [ 715.544110] ? driver_detach+0x214/0x2f0 [ 715.548035] ? bus_remove_driver+0x11d/0x2f0 [ 715.552309] ? pci_unregister_driver+0x26/0x250 [ 715.556840] ? ice_module_exit+0xc/0x2f [ice 9a7e1ec00971c89ecd3fe0d4dc7da2b3786a421d] [ 715.564799] ? __do_sys_delete_module.constprop.0+0x2d8/0x4e0 [ 715.570554] ? do_syscall_64+0x3b/0x90 [ 715.574303] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 715.579529] ? start_flush_work+0x542/0x8f0 [ 715.583719] ? ice_sq_send_cmd+0x78/0x14c0 [ice 9a7e1ec00971c89ecd3fe0d4dc7da2b3786a421d] [ 715.591923] ice_sq_send_cmd+0x78/0x14c0 [ice 9a7e1ec00971c89ecd3fe0d4dc7da2b3786a421d] [ 715.599960] ? wait_for_completion_io+0x250/0x250 [ 715.604662] ? lock_acquire+0x196/0x200 [ 715.608504] ? do_raw_spin_trylock+0xa5/0x160 [ 715.612864] ice_sbq_rw_reg+0x1e6/0x2f0 [ice 9a7e1ec00971c89ecd3fe0d4dc7da2b3786a421d] [ 715.620813] ? ice_reset+0x130/0x130 [ice 9a7e1ec00971c89ecd3fe0d4dc7da2b3786a421d] [ 715.628497] ? __debug_check_no_obj_freed+0x1e8/0x3c0 [ 715.633550] ? trace_hardirqs_on+0x1c/0x130 [ 715.637748] ice_write_phy_reg_e810+0x70/0xf0 [ice 9a7e1ec00971c89ecd3fe0d4dc7da2b3786a421d] [ 715.646220] ? do_raw_spin_trylock+0xa5/0x160 [ 715.650581] ? ice_ptp_release+0x910/0x910 [ice 9a7e1ec00971c89ecd3fe0d4dc7da2b3786a421d] [ 715.658797] ? ice_ptp_release+0x255/0x910 [ice 9a7e1ec00971c89ecd3fe0d4dc7da2b3786a421d] [ 715.667013] ice_clear_phy_tstamp+0x2c/0x110 [ice 9a7e1ec00971c89ecd3fe0d4dc7da2b3786a421d] [ 715.675403] ice_ptp_release+0x408/0x910 [ice 9a7e1ec00971c89ecd3fe0d4dc7da2b3786a421d] [ 715.683440] ice_remove+0x560/0x6a0 [ice 9a7e1ec00971c89ecd3fe0d4dc7da2b3786a421d] [ 715.691037] ? _raw_spin_unlock_irqrestore+0x46/0x73 [ 715.696005] pci_device_remove+0xab/0x1d0 [ 715.700018] __device_release_driver+0x35b/0x690 [ 715.704637] driver_detach+0x214/0x2f0 [ 715.708389] bus_remove_driver+0x11d/0x2f0 [ 715.712489] pci_unregister_driver+0x26/0x250 [ 71 ---truncated---
CVSS Details
- CVSS 3.1 Base Score: 7.1
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade linux | Jul 30, 2024 | May 22, 2024 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | May 22, 2024 |
| Suse | — | Upgrade kernel-azure-extraUpgrade dtb-xilinxUpgrade ocfs2-kmp-64kbUpgrade kernel-default-base-rebuildUpgrade kernel-rtUpgrade kernel-zfcpdumpUpgrade kernel-azure-livepatch-develUpgrade gfs2-kmp-azureUpgrade kernel-default-vdsoUpgrade gfs2-kmp-64kbUpgrade kernel-default-optionalUpgrade ocfs2-kmp-azureUpgrade kernel-default-livepatchUpgrade kernel-default-develUpgrade kernel-rt-optionalUpgrade dtb-allwinnerUpgrade kselftests-kmp-azureUpgrade dtb-lgUpgrade kselftests-kmp-64kbUpgrade gfs2-kmp-rtUpgrade kernel-azureUpgrade kernel-azure-optionalUpgrade dtb-freescaleUpgrade kernel-docs-htmlUpgrade cluster-md-kmp-azureUpgrade dtb-amazonUpgrade kernel-rt-develUpgrade kernel-rt-livepatchUpgrade reiserfs-kmp-64kbUpgrade dtb-qcomUpgrade kernel-source-vanillaUpgrade kernel-source-azureUpgrade dtb-broadcomUpgrade kernel-sourceUpgrade dlm-kmp-64kbUpgrade cluster-md-kmp-rtUpgrade dtb-caviumUpgrade kernel-azure-develUpgrade kernel-develUpgrade kernel-64kb-optionalUpgrade kernel-kvmsmall-develUpgrade kernel-rt_debug-develUpgrade kernel-syms-azureUpgrade dtb-exynosUpgrade kernel-obs-buildUpgrade dtb-alteraUpgrade kernel-64kb-livepatch-develUpgrade kernel-rt-extraUpgrade kernel-devel-azureUpgrade gfs2-kmp-defaultUpgrade kernel-kvmsmall-livepatch-develUpgrade kernel-kvmsmallUpgrade kernel-rt-vdsoUpgrade kernel-debug-vdsoUpgrade kernel-source-rtUpgrade ocfs2-kmp-defaultUpgrade kernel-64kbUpgrade dtb-armUpgrade dtb-rockchipUpgrade dlm-kmp-azureUpgrade kernel-syms-rtUpgrade kernel-default-livepatch-develUpgrade dlm-kmp-rtUpgrade dtb-mediatekUpgrade dtb-appleUpgrade kernel-default-extraUpgrade reiserfs-kmp-rtUpgrade kernel-macrosUpgrade kernel-kvmsmall-vdsoUpgrade kernel-rt_debug-vdsoUpgrade kernel-64kb-develUpgrade kernel-docsUpgrade reiserfs-kmp-azureUpgrade kernel-symsUpgrade kselftests-kmp-defaultUpgrade dtb-amdUpgrade dtb-sprdUpgrade kernel-rt_debugUpgrade kernel-defaultUpgrade kernel-debug-livepatch-develUpgrade dtb-marvellUpgrade kernel-debug-develUpgrade dtb-amlogicUpgrade kernel-64kb-extraUpgrade kernel-rt-livepatch-develUpgrade ocfs2-kmp-rtUpgrade reiserfs-kmp-defaultUpgrade dtb-renesasUpgrade dtb-socionextUpgrade cluster-md-kmp-defaultUpgrade dlm-kmp-defaultUpgrade kernel-rt_debug-livepatch-develUpgrade kselftests-kmp-rtUpgrade kernel-debugUpgrade kernel-obs-qaUpgrade dtb-apmUpgrade kernel-devel-rtUpgrade dtb-hisiliconUpgrade kernel-default-baseUpgrade kernel-azure-vdsoUpgrade dtb-nvidiaUpgrade cluster-md-kmp-64kb | Aug 9, 2024 | May 22, 2024 |
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