UnratedFix available
soc: fsl: qbman: Use raw spinlock for cgr_lock
Type: advisorySources: OSV
In the Linux kernel, the following vulnerability has been resolved: soc: fsl: qbman: Use raw spinlock for cgr_lock smp_call_function always runs its callback in hard IRQ context, even on PREEMPT_RT, where spinlocks can sleep. So we need to use a raw spinlock for cgr_lock to ensure we aren't waiting on a sleeping task. Although this bug has existed for a while, it was not apparent until commit ef2a8d5478b9 ("net: dpaa: Adjust queue depth on rate change") which invokes smp_call_function_single via qman_update_cgr_safe every time a link goes up or down.
- Products
- Kernel
- Affected versions
- Not specified
- Fixed versions
- 4.19.312, 5.10.215, 5.15.154, 5.4.274, 6.1.84, 6.6.24, 6.7.12, 6.8.3
- CVEs
- CVE-2024-35819
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 7 Nov 2026, 11:35 UTC · Revision 1
Source evidence
soc: fsl: qbman: Use raw spinlock for cgr_lock
core-osv · Original sourcePublished 17 May 2024, 13:23 UTC
In the Linux kernel, the following vulnerability has been resolved: soc: fsl: qbman: Use raw spinlock for cgr_lock smp_call_function always runs its callback in hard IRQ context, even on PREEMPT_RT, where spinlocks can sleep. So we need to use a raw spinlock for cgr_lock to ensure we aren't waiting on a sleeping task. Although this bug has existed for a while, it was not apparent until commit ef2a8d5478b9 ("net: dpaa: Adjust queue depth on rate change") which invokes smp_call_function_single via qman_update_cgr_safe every time a link goes up or down.
osv:CVE-2024-35819
Kernel
Fixed versions: 4.19.312, 5.4.274, 5.10.215, 5.15.154, 6.1.84, 6.6.24, 6.7.12, 6.8.3
Complete source record
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"title": "soc: fsl: qbman: Use raw spinlock for cgr_lock",
"summary": "In the Linux kernel, the following vulnerability has been resolved: soc: fsl: qbman: Use raw spinlock for cgr_lock smp_call_function always runs its callback in hard IRQ context, even on PREEMPT_RT, where spinlocks can sleep. So we need to use a raw spinlock for cgr_lock to ensure we aren't waiting on a sleeping task. Although this bug has existed for a while, it was not apparent until commit ef2a8d5478b9 (\"net: dpaa: Adjust queue depth on rate change\") which invokes smp_call_function_single via qman_update_cgr_safe every time a link goes up or down.",
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]
},
{
"type": "ECOSYSTEM",
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},
{
"fixed": "6.6.24"
}
]
},
{
"type": "ECOSYSTEM",
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{
"introduced": "6.7.0"
},
{
"fixed": "6.7.12"
}
]
},
{
"type": "ECOSYSTEM",
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{
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],
"package": {
"name": "Kernel",
"ecosystem": "Linux"
},
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-35819.json"
}
}
],
"modified": "2026-10-28T02:30:50.733537048Z",
"provider": "osv",
"references": [
"https://git.kernel.org/stable/c/2b3fede8225133671ce837c0d284804aa3bc7a02",
"https://git.kernel.org/stable/c/32edca2f03a6cc42c650ddc3ad83d086e3f365d1",
"https://git.kernel.org/stable/c/54d26adf64c04f186098b39dba86b86037084baa",
"https://git.kernel.org/stable/c/9a3ca8292ce9fdcce122706c28c3f07bc857fe5e",
"https://git.kernel.org/stable/c/cd53a8ae5aacb4ecd25088486dea1cd02e74b506",
"https://git.kernel.org/stable/c/d6b5aac451c9cc12e43ab7308e0e2ddc52c62c14",
"https://git.kernel.org/stable/c/f39d36b7540cf0088ed7ce2de2794f2aa237f6df",
"https://git.kernel.org/stable/c/fbec4e7fed89b579f2483041fabf9650fb0dd6bc",
"https://git.kernel.org/stable/c/ff50716b7d5b7985979a5b21163cd79fb3d21d59",
"https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html",
"https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html",
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/35xxx/CVE-2024-35819.json",
"https://nvd.nist.gov/vuln/detail/CVE-2024-35819",
"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
],
"provider_metadata": {
"cna_assigner": "Linux",
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/35xxx/CVE-2024-35819.json"
}
},
"related_cves": [
{
"value": "CVE-2024-35819",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 519145,
"published_at": "2024-05-17T13:23:23.031+00:00"
}