GHSA-94MC-R26H-RWJ7
Vulnerability from github – Published: 2025-02-09 12:30 – Updated: 2025-11-03 21:32In the Linux kernel, the following vulnerability has been resolved:
irqchip/gic-v3-its: Don't enable interrupts in its_irq_set_vcpu_affinity()
The following call-chain leads to enabling interrupts in a nested interrupt disabled section:
irq_set_vcpu_affinity() irq_get_desc_lock() raw_spin_lock_irqsave() <--- Disable interrupts its_irq_set_vcpu_affinity() guard(raw_spinlock_irq) <--- Enables interrupts when leaving the guard() irq_put_desc_unlock() <--- Warns because interrupts are enabled
This was broken in commit b97e8a2f7130, which replaced the original raw_spin_[un]lock() pair with guard(raw_spinlock_irq).
Fix the issue by using guard(raw_spinlock).
[ tglx: Massaged change log ]
{
"affected": [],
"aliases": [
"CVE-2024-57949"
],
"database_specific": {
"cwe_ids": [
"CWE-667"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2025-02-09T12:15:28Z",
"severity": "MODERATE"
},
"details": "In the Linux kernel, the following vulnerability has been resolved:\n\nirqchip/gic-v3-its: Don\u0027t enable interrupts in its_irq_set_vcpu_affinity()\n\nThe following call-chain leads to enabling interrupts in a nested interrupt\ndisabled section:\n\nirq_set_vcpu_affinity()\n irq_get_desc_lock()\n raw_spin_lock_irqsave() \u003c--- Disable interrupts\n its_irq_set_vcpu_affinity()\n guard(raw_spinlock_irq) \u003c--- Enables interrupts when leaving the guard()\n irq_put_desc_unlock() \u003c--- Warns because interrupts are enabled\n\nThis was broken in commit b97e8a2f7130, which replaced the original\nraw_spin_[un]lock() pair with guard(raw_spinlock_irq).\n\nFix the issue by using guard(raw_spinlock).\n\n[ tglx: Massaged change log ]",
"id": "GHSA-94mc-r26h-rwj7",
"modified": "2025-11-03T21:32:35Z",
"published": "2025-02-09T12:30:53Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2024-57949"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/35cb2c6ce7da545f3b5cb1e6473ad7c3a6f08310"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/6c84ff2e788fce0099ee3e71a3ed258b1ca1a223"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/93955a7788121ab5a0f7f27e988b2ed1135a4866"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/d7b0e89610dd45ac6cf0d6f99bfa9ccc787db344"
},
{
"type": "WEB",
"url": "https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
}
]
}
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