CVE-2024-44932
- Source
- https://nvd.nist.gov/vuln/detail/CVE-2024-44932
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-44932.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2024-44932
- Downstream
- Related
- Published
- 2024-08-26T10:11:23Z
- Modified
- 2025-10-15T13:51:34.174924Z
- Summary
- idpf: fix UAFs when destroying the queues
- Details
-
In the Linux kernel, the following vulnerability has been resolved:
idpf: fix UAFs when destroying the queues
The second tagged commit started sometimes (very rarely, but possible) throwing WARNs from net/core/pagepool.c:pagepooldisabledirectrecycling(). Turned out idpf frees interrupt vectors with embedded NAPIs *before* freeing the queues making pagepools' NAPI pointers lead to freed memory before these pools are destroyed by libeth. It's not clear whether there are other accesses to the freed vectors when destroying the queues, but anyway, we usually free queue/interrupt vectors only when the queues are destroyed and the NAPIs are guaranteed to not be referenced anywhere.
Invert the allocation and freeing logic making queue/interrupt vectors be allocated first and freed last. Vectors don't require queues to be present, so this is safe. Additionally, this change allows to remove that useless queue->q_vector pointer cleanup, as vectors are still valid when freeing the queues (+ both are freed within one function, so it's not clear why nullify the pointers at all).
- References
Affected packages
Git / git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Affected ranges
- Type
- GIT
- Repo
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- Events
-
Introduced1c325aac10a82f11410da8a2bf35e3e410a42751Fixed3cde714b0e77206ed1b5cf31f28c18ba9ae946fd
- Type
- GIT
- Repo
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- Events
-
Introduced1c325aac10a82f11410da8a2bf35e3e410a42751Fixed290f1c033281c1a502a3cd1c53c3a549259c491f
Affected versions
v6.*
v6.10
v6.10-rc1
v6.10-rc2
v6.10-rc3
v6.10-rc4
v6.10-rc5
v6.10-rc6
v6.10-rc7
v6.10.1
v6.10.2
v6.10.3
v6.10.4
v6.11-rc1
v6.6
v6.6-rc1
v6.6-rc2
v6.6-rc3
v6.6-rc4
v6.6-rc5
v6.6-rc6
v6.6-rc7
v6.7
v6.7-rc1
v6.7-rc2
v6.7-rc3
v6.7-rc4
v6.7-rc5
v6.7-rc6
v6.7-rc7
v6.7-rc8
v6.8
v6.8-rc1
v6.8-rc2
v6.8-rc3
v6.8-rc4
v6.8-rc5
v6.8-rc6
v6.8-rc7
v6.9
v6.9-rc1
v6.9-rc2
v6.9-rc3
v6.9-rc4
v6.9-rc5
v6.9-rc6
v6.9-rc7
Database specific
{
"vanir_signatures": [
{
"signature_version": "v1",
"signature_type": "Function",
"target": {
"file": "drivers/net/ethernet/intel/idpf/idpf_lib.c",
"function": "idpf_vport_open"
},
"deprecated": false,
"digest": {
"length": 2686.0,
"function_hash": "36563425255359596594997645580294420389"
},
"id": "CVE-2024-44932-28c66752",
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@290f1c033281c1a502a3cd1c53c3a549259c491f"
},
{
"signature_version": "v1",
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"target": {
"file": "drivers/net/ethernet/intel/idpf/idpf_lib.c"
},
"deprecated": false,
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"id": "CVE-2024-44932-299eaa79",
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@290f1c033281c1a502a3cd1c53c3a549259c491f"
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},
"id": "CVE-2024-44932-2ccc1bce",
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@3cde714b0e77206ed1b5cf31f28c18ba9ae946fd"
},
{
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"target": {
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"function": "idpf_vport_intr_rel"
},
"deprecated": false,
"digest": {
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"function_hash": "125014287349615134962031316022138943902"
},
"id": "CVE-2024-44932-449e26a0",
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@3cde714b0e77206ed1b5cf31f28c18ba9ae946fd"
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"digest": {
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},
"id": "CVE-2024-44932-489d864d",
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@290f1c033281c1a502a3cd1c53c3a549259c491f"
},
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},
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"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@290f1c033281c1a502a3cd1c53c3a549259c491f"
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}