In the Linux kernel, the following vulnerability has been resolved:
ixgbe: fix unbalanced device enable/disable in suspend/resume
pci_disable_device() called in __ixgbe_shutdown() decreases
dev->enable_cnt by 1. pci_enable_device_mem() which increases
dev->enable_cnt by 1, was removed from ixgbe_resume() in commit
6f82b2558735 (“ixgbe: use generic power management”). This caused
unbalanced increase/decrease. So add pci_enable_device_mem() back.
Fix the following call trace.
ixgbe 0000:17:00.1: disabling already-disabled device
Call Trace:
__ixgbe_shutdown+0x10a/0x1e0 [ixgbe]
ixgbe_suspend+0x32/0x70 [ixgbe]
pci_pm_suspend+0x87/0x160
? pci_pm_freeze+0xd0/0xd0
dpm_run_callback+0x42/0x170
__device_suspend+0x114/0x460
async_suspend+0x1f/0xa0
async_run_entry_fn+0x3c/0xf0
process_one_work+0x1dd/0x410
worker_thread+0x34/0x3f0
? cancel_delayed_work+0x90/0x90
kthread+0x14c/0x170
? kthread_park+0x90/0x90
ret_from_fork+0x1f/0x30
[
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "6f82b2558735",
"lessThan": "be07581aacae",
"versionType": "git"
},
{
"status": "affected",
"version": "6f82b2558735",
"lessThan": "f1b4be4a753c",
"versionType": "git"
},
{
"status": "affected",
"version": "6f82b2558735",
"lessThan": "debb9df31158",
"versionType": "git"
}
],
"programFiles": [
"drivers/net/ethernet/intel/ixgbe/ixgbe_main.c"
],
"defaultStatus": "unaffected"
},
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "5.9"
},
{
"status": "unaffected",
"version": "0",
"lessThan": "5.9",
"versionType": "custom"
},
{
"status": "unaffected",
"version": "5.10.32",
"versionType": "custom",
"lessThanOrEqual": "5.10.*"
},
{
"status": "unaffected",
"version": "5.11.16",
"versionType": "custom",
"lessThanOrEqual": "5.11.*"
},
{
"status": "unaffected",
"version": "5.12",
"versionType": "original_commit_for_fix",
"lessThanOrEqual": "*"
}
],
"programFiles": [
"drivers/net/ethernet/intel/ixgbe/ixgbe_main.c"
],
"defaultStatus": "affected"
}
]