FKIE_CVE-2026-90098
Vulnerability from fkie_nvd - Published: 2026-09-17 17:17 - Updated: 2026-10-19 09:18| Vendor | Product | Version |
|---|
{
"affected": [
{
"affectedData": [
{
"defaultStatus": "unaffected",
"product": "Linux",
"programFiles": [
"drivers/net/ethernet/microchip/sparx5/sparx5_netdev.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"lessThan": "648d196ccc03ae3b04402ae71ffa44959a85e88f",
"status": "affected",
"version": "d6fce5141929697a27f029c633433d487f6f62cb",
"versionType": "git"
},
{
"lessThan": "b62793a7baeea9cf20209c9fd2e333311aaf3b8d",
"status": "affected",
"version": "d6fce5141929697a27f029c633433d487f6f62cb",
"versionType": "git"
}
]
},
{
"defaultStatus": "affected",
"product": "Linux",
"programFiles": [
"drivers/net/ethernet/microchip/sparx5/sparx5_netdev.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"status": "affected",
"version": "5.14"
},
{
"lessThan": "5.14",
"status": "unaffected",
"version": "0",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.2.*",
"status": "unaffected",
"version": "7.2.6",
"versionType": "semver"
},
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "7.3",
"versionType": "original_commit_for_fix"
}
]
}
],
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: sparx5: fix sleep in atomic context in MAC table access\n\nsparx5_set_rx_mode() runs with netif_addr_lock_bh held and iterates\ndev-\u003emc via __dev_mc_sync(), which per address calls sparx5_mc_sync() /\nsparx5_mc_unsync() -\u003e sparx5_mact_learn() / sparx5_mact_forget(). These\ntake sparx5-\u003elock, a mutex, and then poll the MAC access command\nregister with readx_poll_timeout(). A mutex may block, which is not\nallowed from atomic context.\n\nConvert the driver to the new .ndo_set_rx_mode_async callback introduced\nin commit 3554b4345d85 (\"net: introduce ndo_set_rx_mode_async and\nnetdev_rx_mode_work\"). The async callback is invoked from process\ncontext, so the mutex and sleeping completion poll can remain.\n\nObserved with CONFIG_PROVE_LOCKING, CONFIG_DEBUG_SPINLOCK,\nCONFIG_DEBUG_MUTEXES and CONFIG_DEBUG_ATOMIC_SLEEP enabled:\n\n BUG: sleeping function called from invalid context at kernel/locking/mutex.c:591\n in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 217, name: ip\n preempt_count: 201, expected: 0\n Call trace:\n __might_resched+0x144/0x248\n __might_sleep+0x48/0x7c\n __mutex_lock+0x74/0x850\n mutex_lock_nested+0x24/0x30\n sparx5_mact_learn+0x78/0x100\n sparx5_mc_sync+0x40/0x54\n __hw_addr_sync_dev+0xc4/0x170\n sparx5_set_rx_mode+0x4c/0x58\n __dev_set_rx_mode+0x64/0xa4\n __dev_open+0x1ec/0x26c"
}
],
"id": "CVE-2026-90098",
"lastModified": "2026-10-19T09:18:59.060",
"metrics": {},
"published": "2026-09-17T17:17:01.460",
"references": [
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/648d196ccc03ae3b04402ae71ffa44959a85e88f"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/b62793a7baeea9cf20209c9fd2e333311aaf3b8d"
}
],
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"vulnStatus": "Received"
}
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