blob: 141b7f232cb98d098ce6bcc052b7677389df0734 [file] [log] [blame]
{
"containers": {
"cna": {
"providerMetadata": {
"orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038"
},
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nsched_ext: Fix invalid irq restore in scx_ops_bypass()\n\nWhile adding outer irqsave/restore locking, 0e7ffff1b811 (\"scx: Fix raciness\nin scx_ops_bypass()\") forgot to convert an inner rq_unlock_irqrestore() to\nrq_unlock() which could re-enable IRQ prematurely leading to the following\nwarning:\n\n raw_local_irq_restore() called with IRQs enabled\n WARNING: CPU: 1 PID: 96 at kernel/locking/irqflag-debug.c:10 warn_bogus_irq_restore+0x30/0x40\n ...\n Sched_ext: create_dsq (enabling)\n pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)\n pc : warn_bogus_irq_restore+0x30/0x40\n lr : warn_bogus_irq_restore+0x30/0x40\n ...\n Call trace:\n warn_bogus_irq_restore+0x30/0x40 (P)\n warn_bogus_irq_restore+0x30/0x40 (L)\n scx_ops_bypass+0x224/0x3b8\n scx_ops_enable.isra.0+0x2c8/0xaa8\n bpf_scx_reg+0x18/0x30\n ...\n irq event stamp: 33739\n hardirqs last enabled at (33739): [<ffff8000800b699c>] scx_ops_bypass+0x174/0x3b8\n hardirqs last disabled at (33738): [<ffff800080d48ad4>] _raw_spin_lock_irqsave+0xb4/0xd8\n\nDrop the stray _irqrestore()."
}
],
"affected": [
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "unaffected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"kernel/sched/ext.c"
],
"versions": [
{
"version": "0e7ffff1b8117b05635c87d3c9099f6aa9c9b689",
"lessThan": "786362ce60d79967875f43e0ba55ad7a5376c133",
"status": "affected",
"versionType": "git"
},
{
"version": "0e7ffff1b8117b05635c87d3c9099f6aa9c9b689",
"lessThan": "18b2093f4598d8ee67a8153badc93f0fa7686b8a",
"status": "affected",
"versionType": "git"
}
]
},
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "affected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"kernel/sched/ext.c"
],
"versions": [
{
"version": "6.12",
"status": "affected"
},
{
"version": "0",
"lessThan": "6.12",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.12.9",
"lessThanOrEqual": "6.12.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.13",
"lessThanOrEqual": "*",
"status": "unaffected",
"versionType": "original_commit_for_fix"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"operator": "OR",
"negate": false,
"cpeMatch": [
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "6.12",
"versionEndExcluding": "6.12.9"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "6.12",
"versionEndExcluding": "6.13"
}
]
}
]
}
],
"references": [
{
"url": "https://git.kernel.org/stable/c/786362ce60d79967875f43e0ba55ad7a5376c133"
},
{
"url": "https://git.kernel.org/stable/c/18b2093f4598d8ee67a8153badc93f0fa7686b8a"
}
],
"title": "sched_ext: Fix invalid irq restore in scx_ops_bypass()",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038",
"cveID": "CVE-2024-57891",
"requesterUserId": "gregkh@kernel.org",
"serial": "1",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.0"
}