CVE-2025-71087 (GCVE-0-2025-71087)
Vulnerability from cvelistv5 – Published: 2026-01-13 15:34 – Updated: 2026-06-11 18:44
VLAI
EPSS
VEX
Title
iavf: fix off-by-one issues in iavf_config_rss_reg()
Summary
In the Linux kernel, the following vulnerability has been resolved:
iavf: fix off-by-one issues in iavf_config_rss_reg()
There are off-by-one bugs when configuring RSS hash key and lookup
table, causing out-of-bounds reads to memory [1] and out-of-bounds
writes to device registers.
Before commit 43a3d9ba34c9 ("i40evf: Allow PF driver to configure RSS"),
the loop upper bounds were:
i <= I40E_VFQF_{HKEY,HLUT}_MAX_INDEX
which is safe since the value is the last valid index.
That commit changed the bounds to:
i <= adapter->rss_{key,lut}_size / 4
where `rss_{key,lut}_size / 4` is the number of dwords, so the last
valid index is `(rss_{key,lut}_size / 4) - 1`. Therefore, using `<=`
accesses one element past the end.
Fix the issues by using `<` instead of `<=`, ensuring we do not exceed
the bounds.
[1] KASAN splat about rss_key_size off-by-one
BUG: KASAN: slab-out-of-bounds in iavf_config_rss+0x619/0x800
Read of size 4 at addr ffff888102c50134 by task kworker/u8:6/63
CPU: 0 UID: 0 PID: 63 Comm: kworker/u8:6 Not tainted 6.18.0-rc2-enjuk-tnguy-00378-g3005f5b77652-dirty #156 PREEMPT(voluntary)
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
Workqueue: iavf iavf_watchdog_task
Call Trace:
<TASK>
dump_stack_lvl+0x6f/0xb0
print_report+0x170/0x4f3
kasan_report+0xe1/0x1a0
iavf_config_rss+0x619/0x800
iavf_watchdog_task+0x2be7/0x3230
process_one_work+0x7fd/0x1420
worker_thread+0x4d1/0xd40
kthread+0x344/0x660
ret_from_fork+0x249/0x320
ret_from_fork_asm+0x1a/0x30
</TASK>
Allocated by task 63:
kasan_save_stack+0x30/0x50
kasan_save_track+0x14/0x30
__kasan_kmalloc+0x7f/0x90
__kmalloc_noprof+0x246/0x6f0
iavf_watchdog_task+0x28fc/0x3230
process_one_work+0x7fd/0x1420
worker_thread+0x4d1/0xd40
kthread+0x344/0x660
ret_from_fork+0x249/0x320
ret_from_fork_asm+0x1a/0x30
The buggy address belongs to the object at ffff888102c50100
which belongs to the cache kmalloc-64 of size 64
The buggy address is located 0 bytes to the right of
allocated 52-byte region [ffff888102c50100, ffff888102c50134)
The buggy address belongs to the physical page:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102c50
flags: 0x200000000000000(node=0|zone=2)
page_type: f5(slab)
raw: 0200000000000000 ffff8881000418c0 dead000000000122 0000000000000000
raw: 0000000000000000 0000000080200020 00000000f5000000 0000000000000000
page dumped because: kasan: bad access detected
Memory state around the buggy address:
ffff888102c50000: 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc fc
ffff888102c50080: 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc fc
>ffff888102c50100: 00 00 00 00 00 00 04 fc fc fc fc fc fc fc fc fc
^
ffff888102c50180: 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc
ffff888102c50200: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
Severity
No CVSS data available.
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-10 20:41 UTC
Assigner
References
7 references
Impacted products
2 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Linux | Linux |
Affected:
43a3d9ba34c9ca313573201d3f45de5ab3494cec , < ceb8459df28d22c225a82d74c0f725f2a935d194
(git)
Affected: 43a3d9ba34c9ca313573201d3f45de5ab3494cec , < 5bb18bfd505ca1affbca921462c350095a6c798c (git) Affected: 43a3d9ba34c9ca313573201d3f45de5ab3494cec , < d7369dc8dd7cbf5cee3a22610028d847b6f02982 (git) Affected: 43a3d9ba34c9ca313573201d3f45de5ab3494cec , < 18de0e41d69d97fab10b91fecf10ae78a5e43232 (git) Affected: 43a3d9ba34c9ca313573201d3f45de5ab3494cec , < f36de3045d006e6d9be1be495f2ed88d1721e752 (git) Affected: 43a3d9ba34c9ca313573201d3f45de5ab3494cec , < 3095228e1320371e143835d0cebeef1a8a754c66 (git) Affected: 43a3d9ba34c9ca313573201d3f45de5ab3494cec , < 6daa2893f323981c7894c68440823326e93a7d61 (git) |
guessed | |
| Linux | Linux |
Affected:
4.7
Unaffected: 0 , < 4.7 (semver) Unaffected: 5.10.248 , ≤ 5.10.* (semver) Unaffected: 5.15.198 , ≤ 5.15.* (semver) Unaffected: 6.1.160 , ≤ 6.1.* (semver) Unaffected: 6.6.120 , ≤ 6.6.* (semver) Unaffected: 6.12.64 , ≤ 6.12.* (semver) Unaffected: 6.18.4 , ≤ 6.18.* (semver) Unaffected: 6.19 , ≤ * (original_commit_for_fix) |
guessed |
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"version": "6.18.4",
"versionType": "semver"
},
{
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"status": "unaffected",
"version": "6.19",
"versionType": "original_commit_for_fix"
}
]
}
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"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\niavf: fix off-by-one issues in iavf_config_rss_reg()\n\nThere are off-by-one bugs when configuring RSS hash key and lookup\ntable, causing out-of-bounds reads to memory [1] and out-of-bounds\nwrites to device registers.\n\nBefore commit 43a3d9ba34c9 (\"i40evf: Allow PF driver to configure RSS\"),\nthe loop upper bounds were:\n i \u003c= I40E_VFQF_{HKEY,HLUT}_MAX_INDEX\nwhich is safe since the value is the last valid index.\n\nThat commit changed the bounds to:\n i \u003c= adapter-\u003erss_{key,lut}_size / 4\nwhere `rss_{key,lut}_size / 4` is the number of dwords, so the last\nvalid index is `(rss_{key,lut}_size / 4) - 1`. Therefore, using `\u003c=`\naccesses one element past the end.\n\nFix the issues by using `\u003c` instead of `\u003c=`, ensuring we do not exceed\nthe bounds.\n\n[1] KASAN splat about rss_key_size off-by-one\n BUG: KASAN: slab-out-of-bounds in iavf_config_rss+0x619/0x800\n Read of size 4 at addr ffff888102c50134 by task kworker/u8:6/63\n\n CPU: 0 UID: 0 PID: 63 Comm: kworker/u8:6 Not tainted 6.18.0-rc2-enjuk-tnguy-00378-g3005f5b77652-dirty #156 PREEMPT(voluntary)\n Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014\n Workqueue: iavf iavf_watchdog_task\n Call Trace:\n \u003cTASK\u003e\n dump_stack_lvl+0x6f/0xb0\n print_report+0x170/0x4f3\n kasan_report+0xe1/0x1a0\n iavf_config_rss+0x619/0x800\n iavf_watchdog_task+0x2be7/0x3230\n process_one_work+0x7fd/0x1420\n worker_thread+0x4d1/0xd40\n kthread+0x344/0x660\n ret_from_fork+0x249/0x320\n ret_from_fork_asm+0x1a/0x30\n \u003c/TASK\u003e\n\n Allocated by task 63:\n kasan_save_stack+0x30/0x50\n kasan_save_track+0x14/0x30\n __kasan_kmalloc+0x7f/0x90\n __kmalloc_noprof+0x246/0x6f0\n iavf_watchdog_task+0x28fc/0x3230\n process_one_work+0x7fd/0x1420\n worker_thread+0x4d1/0xd40\n kthread+0x344/0x660\n ret_from_fork+0x249/0x320\n ret_from_fork_asm+0x1a/0x30\n\n The buggy address belongs to the object at ffff888102c50100\n which belongs to the cache kmalloc-64 of size 64\n The buggy address is located 0 bytes to the right of\n allocated 52-byte region [ffff888102c50100, ffff888102c50134)\n\n The buggy address belongs to the physical page:\n page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102c50\n flags: 0x200000000000000(node=0|zone=2)\n page_type: f5(slab)\n raw: 0200000000000000 ffff8881000418c0 dead000000000122 0000000000000000\n raw: 0000000000000000 0000000080200020 00000000f5000000 0000000000000000\n page dumped because: kasan: bad access detected\n\n Memory state around the buggy address:\n ffff888102c50000: 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc fc\n ffff888102c50080: 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc fc\n \u003effff888102c50100: 00 00 00 00 00 00 04 fc fc fc fc fc fc fc fc fc\n ^\n ffff888102c50180: 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc\n ffff888102c50200: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc"
}
],
"providerMetadata": {
"dateUpdated": "2026-05-11T21:54:29.688Z",
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux"
},
"references": [
{
"url": "https://git.kernel.org/stable/c/ceb8459df28d22c225a82d74c0f725f2a935d194"
},
{
"url": "https://git.kernel.org/stable/c/5bb18bfd505ca1affbca921462c350095a6c798c"
},
{
"url": "https://git.kernel.org/stable/c/d7369dc8dd7cbf5cee3a22610028d847b6f02982"
},
{
"url": "https://git.kernel.org/stable/c/18de0e41d69d97fab10b91fecf10ae78a5e43232"
},
{
"url": "https://git.kernel.org/stable/c/f36de3045d006e6d9be1be495f2ed88d1721e752"
},
{
"url": "https://git.kernel.org/stable/c/3095228e1320371e143835d0cebeef1a8a754c66"
},
{
"url": "https://git.kernel.org/stable/c/6daa2893f323981c7894c68440823326e93a7d61"
}
],
"title": "iavf: fix off-by-one issues in iavf_config_rss_reg()",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"assignerShortName": "Linux",
"cveId": "CVE-2025-71087",
"datePublished": "2026-01-13T15:34:49.691Z",
"dateReserved": "2026-01-13T15:30:19.649Z",
"dateUpdated": "2026-06-11T18:44:14.263Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
"epss": {
"cve": "CVE-2025-71087",
"date": "2026-09-13",
"epss": "0.00134",
"percentile": "0.03223"
},
"microsoft_vex": {
"current_release_date": "2026-02-18T14:16:41.000Z",
"cve": "CVE-2025-71087",
"id": "msrc_CVE-2025-71087",
"initial_release_date": "2026-01-02T00:00:00.000Z",
"product_status:fixed": "1",
"product_status:known_affected": "2",
"source": "Microsoft CSAF VEX",
"status": "final",
"title": "iavf: fix off-by-one issues in iavf_config_rss_reg()",
"url": "https://msrc.microsoft.com/csaf/vex/2026/msrc_cve-2025-71087.json",
"version": "3"
},
"nvd": "{\"cve\":{\"id\":\"CVE-2025-71087\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2026-01-13T16:16:08.343\",\"lastModified\":\"2026-06-17T10:03:38.077\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\niavf: fix off-by-one issues in iavf_config_rss_reg()\\n\\nThere are off-by-one bugs when configuring RSS hash key and lookup\\ntable, causing out-of-bounds reads to memory [1] and out-of-bounds\\nwrites to device registers.\\n\\nBefore commit 43a3d9ba34c9 (\\\"i40evf: Allow PF driver to configure RSS\\\"),\\nthe loop upper bounds were:\\n i \u003c= I40E_VFQF_{HKEY,HLUT}_MAX_INDEX\\nwhich is safe since the value is the last valid index.\\n\\nThat commit changed the bounds to:\\n i \u003c= adapter-\u003erss_{key,lut}_size / 4\\nwhere `rss_{key,lut}_size / 4` is the number of dwords, so the last\\nvalid index is `(rss_{key,lut}_size / 4) - 1`. Therefore, using `\u003c=`\\naccesses one element past the end.\\n\\nFix the issues by using `\u003c` instead of `\u003c=`, ensuring we do not exceed\\nthe bounds.\\n\\n[1] KASAN splat about rss_key_size off-by-one\\n BUG: KASAN: slab-out-of-bounds in iavf_config_rss+0x619/0x800\\n Read of size 4 at addr ffff888102c50134 by task kworker/u8:6/63\\n\\n CPU: 0 UID: 0 PID: 63 Comm: kworker/u8:6 Not tainted 6.18.0-rc2-enjuk-tnguy-00378-g3005f5b77652-dirty #156 PREEMPT(voluntary)\\n Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014\\n Workqueue: iavf iavf_watchdog_task\\n Call Trace:\\n \u003cTASK\u003e\\n dump_stack_lvl+0x6f/0xb0\\n print_report+0x170/0x4f3\\n kasan_report+0xe1/0x1a0\\n iavf_config_rss+0x619/0x800\\n iavf_watchdog_task+0x2be7/0x3230\\n process_one_work+0x7fd/0x1420\\n worker_thread+0x4d1/0xd40\\n kthread+0x344/0x660\\n ret_from_fork+0x249/0x320\\n ret_from_fork_asm+0x1a/0x30\\n \u003c/TASK\u003e\\n\\n Allocated by task 63:\\n kasan_save_stack+0x30/0x50\\n kasan_save_track+0x14/0x30\\n __kasan_kmalloc+0x7f/0x90\\n __kmalloc_noprof+0x246/0x6f0\\n iavf_watchdog_task+0x28fc/0x3230\\n process_one_work+0x7fd/0x1420\\n worker_thread+0x4d1/0xd40\\n kthread+0x344/0x660\\n ret_from_fork+0x249/0x320\\n ret_from_fork_asm+0x1a/0x30\\n\\n The buggy address belongs to the object at ffff888102c50100\\n which belongs to the cache kmalloc-64 of size 64\\n The buggy address is located 0 bytes to the right of\\n allocated 52-byte region [ffff888102c50100, ffff888102c50134)\\n\\n The buggy address belongs to the physical page:\\n page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102c50\\n flags: 0x200000000000000(node=0|zone=2)\\n page_type: f5(slab)\\n raw: 0200000000000000 ffff8881000418c0 dead000000000122 0000000000000000\\n raw: 0000000000000000 0000000080200020 00000000f5000000 0000000000000000\\n page dumped because: kasan: bad access detected\\n\\n Memory state around the buggy address:\\n ffff888102c50000: 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc fc\\n ffff888102c50080: 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc fc\\n \u003effff888102c50100: 00 00 00 00 00 00 04 fc fc fc fc fc fc fc fc fc\\n ^\\n ffff888102c50180: 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc\\n ffff888102c50200: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\\n\\niavf: corrige problemas de \u0027off-by-one\u0027 en iavf_config_rss_reg()\\n\\nExisten errores de \u0027off-by-one\u0027 al configurar la clave hash RSS y la tabla de b\u00fasqueda, causando lecturas fuera de l\u00edmites a la memoria [1] y escrituras fuera de l\u00edmites a los registros del dispositivo.\\n\\nAntes del commit 43a3d9ba34c9 (\u0027i40evf: Permitir al controlador PF configurar RSS\u0027), los l\u00edmites superiores del bucle eran:\\n i \u0026lt;= I40E_VFQF_{HKEY,HLUT}_MAX_INDEX\\nlo cual es seguro ya que el valor es el \u00faltimo \u00edndice v\u00e1lido.\\n\\nEse commit cambi\u00f3 los l\u00edmites a:\\n i \u0026lt;= adapter-\u0026gt;rss_{key,lut}_size / 4\\ndonde \u0027rss_{key,lut}_size / 4\u0027 es el n\u00famero de dwords, por lo que el \u00faltimo \u00edndice v\u00e1lido es \u0027(rss_{key,lut}_size / 4) - 1\u0027. Por lo tanto, usar \u0027\u0026lt;=\u0027 accede a un elemento m\u00e1s all\u00e1 del final.\\n\\nSe corrigen los problemas usando \u0027\u0026lt;\u0027 en lugar de \u0027\u0026lt;=\u0027, asegurando que no excedemos los l\u00edmites.\\n\\n[1] Informe de KASAN sobre el \u0027off-by-one\u0027 de rss_key_size\\n ERROR: KASAN: \u0027slab-out-of-bounds\u0027 en iavf_config_rss+0x619/0x800\\n Lectura de tama\u00f1o 4 en la direcci\u00f3n ffff888102c50134 por la tarea kworker/u8:6/63\\n\\n CPU: 0 UID: 0 PID: 63 Comm: kworker/u8:6 No contaminado 6.18.0-rc2-enjuk-tnguy-00378-g3005f5b77652-dirty #156 PREEMPT(voluntario)\\n Nombre del hardware: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014\\n Cola de trabajo: iavf iavf_watchdog_task\\n Traza de llamadas:\\n \\n dump_stack_lvl+0x6f/0xb0\\n print_report+0x170/0x4f3\\n kasan_report+0xe1/0x1a0\\n iavf_config_rss+0x619/0x800\\n iavf_watchdog_task+0x2be7/0x3230\\n process_one_work+0x7fd/0x1420\\n worker_thread+0x4d1/0xd40\\n kthread+0x344/0x660\\n ret_from_fork+0x249/0x320\\n ret_from_fork_asm+0x1a/0x30\\n \\n\\n Asignado por la tarea 63:\\n kasan_save_stack+0x30/0x50\\n kasan_save_track+0x14/0x30\\n __kasan_kmalloc+0x7f/0x90\\n __kmalloc_noprof+0x246/0x6f0\\n iavf_watchdog_task+0x28fc/0x3230\\n process_one_work+0x7fd/0x1420\\n worker_thread+0x4d1/0xd40\\n kthread+0x344/0x660\\n ret_from_fork+0x249/0x320\\n ret_from_fork_asm+0x1a/0x30\\n\\n La direcci\u00f3n con error pertenece al objeto en ffff888102c50100\\n el cual pertenece a la cach\u00e9 kmalloc-64 de tama\u00f1o 64\\n La direcci\u00f3n con error est\u00e1 ubicada 0 bytes a la derecha de\\n la regi\u00f3n asignada de 52 bytes [ffff888102c50100, ffff888102c50134)\\n\\n La direcci\u00f3n con error pertenece a la p\u00e1gina f\u00edsica:\\n p\u00e1gina: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102c50\\n flags: 0x200000000000000(node=0|zone=2)\\n page_type: f5(slab)\\n raw: 0200000000000000 ffff8881000418c0 dead000000000122 0000000000000000\\n raw: 0000000000000000 0000000080200020 00000000f5000000 0000000000000000\\n p\u00e1gina volcada porque: kasan: acceso incorrecto detectado\\n\\n Estado de la memoria alrededor de la direcci\u00f3n con error:\\n ffff888102c50000: 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc fc\\n ffff888102c50080: 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc fc\\n \u0026gt;ffff888102c50100: 00 00 00 00 00 00 04 fc fc fc fc fc fc fc fc fc\\n ^\\n ffff888102c50180: 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc\\n ffff888102c50200: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc\"}],\"affected\":[{\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"affectedData\":[{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"unaffected\",\"programFiles\":[\"drivers/net/ethernet/intel/iavf/iavf_main.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"43a3d9ba34c9ca313573201d3f45de5ab3494cec\",\"lessThan\":\"ceb8459df28d22c225a82d74c0f725f2a935d194\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"43a3d9ba34c9ca313573201d3f45de5ab3494cec\",\"lessThan\":\"5bb18bfd505ca1affbca921462c350095a6c798c\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"43a3d9ba34c9ca313573201d3f45de5ab3494cec\",\"lessThan\":\"d7369dc8dd7cbf5cee3a22610028d847b6f02982\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"43a3d9ba34c9ca313573201d3f45de5ab3494cec\",\"lessThan\":\"18de0e41d69d97fab10b91fecf10ae78a5e43232\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"43a3d9ba34c9ca313573201d3f45de5ab3494cec\",\"lessThan\":\"f36de3045d006e6d9be1be495f2ed88d1721e752\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"43a3d9ba34c9ca313573201d3f45de5ab3494cec\",\"lessThan\":\"3095228e1320371e143835d0cebeef1a8a754c66\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"43a3d9ba34c9ca313573201d3f45de5ab3494cec\",\"lessThan\":\"6daa2893f323981c7894c68440823326e93a7d61\",\"versionType\":\"git\",\"status\":\"affected\"}]},{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"affected\",\"programFiles\":[\"drivers/net/ethernet/intel/iavf/iavf_main.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"4.7\",\"status\":\"affected\"},{\"version\":\"0\",\"lessThan\":\"4.7\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.10.248\",\"lessThanOrEqual\":\"5.10.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.15.198\",\"lessThanOrEqual\":\"5.15.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.1.160\",\"lessThanOrEqual\":\"6.1.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.6.120\",\"lessThanOrEqual\":\"6.6.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.12.64\",\"lessThanOrEqual\":\"6.12.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.18.4\",\"lessThanOrEqual\":\"6.18.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.19\",\"lessThanOrEqual\":\"*\",\"versionType\":\"original_commit_for_fix\",\"status\":\"unaffected\"}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6}],\"ssvcV203\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"ssvcData\":{\"timestamp\":\"2026-06-10T20:41:36.543195Z\",\"id\":\"CVE-2025-71087\",\"options\":[{\"exploitation\":\"none\"},{\"automatable\":\"no\"},{\"technicalImpact\":\"partial\"}],\"role\":\"CISA Coordinator\",\"version\":\"2.0.3\"}}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-193\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.7.1\",\"versionEndExcluding\":\"5.10.248\",\"matchCriteriaId\":\"6D7D3E72-3D01-4F26-8FA2-72370332ACC4\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.11\",\"versionEndExcluding\":\"5.15.198\",\"matchCriteriaId\":\"82159CAA-B6BA-43C6-85D8-65BDBC175A7E\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.16\",\"versionEndExcluding\":\"6.1.160\",\"matchCriteriaId\":\"C10CC03E-16A9-428A-B449-40D3763E15F6\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.2\",\"versionEndExcluding\":\"6.6.120\",\"matchCriteriaId\":\"43C3A206-5EEE-417B-AA0F-EF8972E7A9F0\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.7\",\"versionEndExcluding\":\"6.12.64\",\"matchCriteriaId\":\"32BF4A52-377C-44ED-B5E6-7EA5D896E98B\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.13\",\"versionEndExcluding\":\"6.18.4\",\"matchCriteriaId\":\"DC988EA0-0E32-457A-BF95-89BEB31A227B\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:4.7:-:*:*:*:*:*:*\",\"matchCriteriaId\":\"2F890998-2B89-4DE8-BA87-5B3D9A5E8E11\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.19:rc1:*:*:*:*:*:*\",\"matchCriteriaId\":\"17B67AA7-40D6-4AFA-8459-F200F3D7CFD1\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.19:rc2:*:*:*:*:*:*\",\"matchCriteriaId\":\"C47E4CC9-C826-4FA9-B014-7FE3D9B318B2\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.19:rc3:*:*:*:*:*:*\",\"matchCriteriaId\":\"F71D92C0-C023-48BD-B3B6-70B638EEE298\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.19:rc4:*:*:*:*:*:*\",\"matchCriteriaId\":\"13580667-0A98-40CC-B29F-D12790B91BDB\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.19:rc5:*:*:*:*:*:*\",\"matchCriteriaId\":\"CAD1FED7-CF48-47BF-AC7D-7B6FA3C065FC\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.19:rc6:*:*:*:*:*:*\",\"matchCriteriaId\":\"3EF854A1-ABB1-4E93-BE9A-44569EC76C0D\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.19:rc7:*:*:*:*:*:*\",\"matchCriteriaId\":\"F5DC0CA6-F0AF-4DDF-A882-3DADB9A886A7\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.19:rc8:*:*:*:*:*:*\",\"matchCriteriaId\":\"EB5B7DFC-C36B-45D8-922C-877569FDDF43\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/18de0e41d69d97fab10b91fecf10ae78a5e43232\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/3095228e1320371e143835d0cebeef1a8a754c66\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/5bb18bfd505ca1affbca921462c350095a6c798c\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/6daa2893f323981c7894c68440823326e93a7d61\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/ceb8459df28d22c225a82d74c0f725f2a935d194\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/d7369dc8dd7cbf5cee3a22610028d847b6f02982\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/f36de3045d006e6d9be1be495f2ed88d1721e752\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]}]}}",
"redhat_vex": {
"aggregate_severity": "Moderate",
"current_release_date": "2026-06-28T07:12:21+00:00",
"cve": "CVE-2025-71087",
"id": "CVE-2025-71087",
"initial_release_date": "2025-01-01T00:00:00+00:00",
"product_status:known_affected": "260",
"product_status:known_not_affected": "14",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "kernel: iavf: fix off-by-one issues in iavf_config_rss_reg()",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-71087.json",
"version": "3"
},
"vulnrichment": {
"containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2025-71087\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-06-10T20:41:36.543195Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-06-11T17:38:32.494Z\"}}], \"cna\": {\"title\": \"iavf: fix off-by-one issues in iavf_config_rss_reg()\", \"affected\": [{\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"43a3d9ba34c9ca313573201d3f45de5ab3494cec\", \"lessThan\": \"ceb8459df28d22c225a82d74c0f725f2a935d194\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"43a3d9ba34c9ca313573201d3f45de5ab3494cec\", \"lessThan\": \"5bb18bfd505ca1affbca921462c350095a6c798c\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"43a3d9ba34c9ca313573201d3f45de5ab3494cec\", \"lessThan\": \"d7369dc8dd7cbf5cee3a22610028d847b6f02982\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"43a3d9ba34c9ca313573201d3f45de5ab3494cec\", \"lessThan\": \"18de0e41d69d97fab10b91fecf10ae78a5e43232\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"43a3d9ba34c9ca313573201d3f45de5ab3494cec\", \"lessThan\": \"f36de3045d006e6d9be1be495f2ed88d1721e752\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"43a3d9ba34c9ca313573201d3f45de5ab3494cec\", \"lessThan\": \"3095228e1320371e143835d0cebeef1a8a754c66\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"43a3d9ba34c9ca313573201d3f45de5ab3494cec\", \"lessThan\": \"6daa2893f323981c7894c68440823326e93a7d61\", \"versionType\": \"git\"}], \"programFiles\": [\"drivers/net/ethernet/intel/iavf/iavf_main.c\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"4.7\"}, {\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"4.7\", \"versionType\": \"semver\"}, {\"status\": \"unaffected\", \"version\": \"5.10.248\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.10.*\"}, {\"status\": \"unaffected\", \"version\": \"5.15.198\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.15.*\"}, {\"status\": \"unaffected\", \"version\": \"6.1.160\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.1.*\"}, {\"status\": \"unaffected\", \"version\": \"6.6.120\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.6.*\"}, {\"status\": \"unaffected\", \"version\": \"6.12.64\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.12.*\"}, {\"status\": \"unaffected\", \"version\": \"6.18.4\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.18.*\"}, {\"status\": \"unaffected\", \"version\": \"6.19\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"drivers/net/ethernet/intel/iavf/iavf_main.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/ceb8459df28d22c225a82d74c0f725f2a935d194\"}, {\"url\": \"https://git.kernel.org/stable/c/5bb18bfd505ca1affbca921462c350095a6c798c\"}, {\"url\": \"https://git.kernel.org/stable/c/d7369dc8dd7cbf5cee3a22610028d847b6f02982\"}, {\"url\": \"https://git.kernel.org/stable/c/18de0e41d69d97fab10b91fecf10ae78a5e43232\"}, {\"url\": \"https://git.kernel.org/stable/c/f36de3045d006e6d9be1be495f2ed88d1721e752\"}, {\"url\": \"https://git.kernel.org/stable/c/3095228e1320371e143835d0cebeef1a8a754c66\"}, {\"url\": \"https://git.kernel.org/stable/c/6daa2893f323981c7894c68440823326e93a7d61\"}], \"x_generator\": {\"engine\": \"bippy-1.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\niavf: fix off-by-one issues in iavf_config_rss_reg()\\n\\nThere are off-by-one bugs when configuring RSS hash key and lookup\\ntable, causing out-of-bounds reads to memory [1] and out-of-bounds\\nwrites to device registers.\\n\\nBefore commit 43a3d9ba34c9 (\\\"i40evf: Allow PF driver to configure RSS\\\"),\\nthe loop upper bounds were:\\n i \u003c= I40E_VFQF_{HKEY,HLUT}_MAX_INDEX\\nwhich is safe since the value is the last valid index.\\n\\nThat commit changed the bounds to:\\n i \u003c= adapter-\u003erss_{key,lut}_size / 4\\nwhere `rss_{key,lut}_size / 4` is the number of dwords, so the last\\nvalid index is `(rss_{key,lut}_size / 4) - 1`. Therefore, using `\u003c=`\\naccesses one element past the end.\\n\\nFix the issues by using `\u003c` instead of `\u003c=`, ensuring we do not exceed\\nthe bounds.\\n\\n[1] KASAN splat about rss_key_size off-by-one\\n BUG: KASAN: slab-out-of-bounds in iavf_config_rss+0x619/0x800\\n Read of size 4 at addr ffff888102c50134 by task kworker/u8:6/63\\n\\n CPU: 0 UID: 0 PID: 63 Comm: kworker/u8:6 Not tainted 6.18.0-rc2-enjuk-tnguy-00378-g3005f5b77652-dirty #156 PREEMPT(voluntary)\\n Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014\\n Workqueue: iavf iavf_watchdog_task\\n Call Trace:\\n \u003cTASK\u003e\\n dump_stack_lvl+0x6f/0xb0\\n print_report+0x170/0x4f3\\n kasan_report+0xe1/0x1a0\\n iavf_config_rss+0x619/0x800\\n iavf_watchdog_task+0x2be7/0x3230\\n process_one_work+0x7fd/0x1420\\n worker_thread+0x4d1/0xd40\\n kthread+0x344/0x660\\n ret_from_fork+0x249/0x320\\n ret_from_fork_asm+0x1a/0x30\\n \u003c/TASK\u003e\\n\\n Allocated by task 63:\\n kasan_save_stack+0x30/0x50\\n kasan_save_track+0x14/0x30\\n __kasan_kmalloc+0x7f/0x90\\n __kmalloc_noprof+0x246/0x6f0\\n iavf_watchdog_task+0x28fc/0x3230\\n process_one_work+0x7fd/0x1420\\n worker_thread+0x4d1/0xd40\\n kthread+0x344/0x660\\n ret_from_fork+0x249/0x320\\n ret_from_fork_asm+0x1a/0x30\\n\\n The buggy address belongs to the object at ffff888102c50100\\n which belongs to the cache kmalloc-64 of size 64\\n The buggy address is located 0 bytes to the right of\\n allocated 52-byte region [ffff888102c50100, ffff888102c50134)\\n\\n The buggy address belongs to the physical page:\\n page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102c50\\n flags: 0x200000000000000(node=0|zone=2)\\n page_type: f5(slab)\\n raw: 0200000000000000 ffff8881000418c0 dead000000000122 0000000000000000\\n raw: 0000000000000000 0000000080200020 00000000f5000000 0000000000000000\\n page dumped because: kasan: bad access detected\\n\\n Memory state around the buggy address:\\n ffff888102c50000: 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc fc\\n ffff888102c50080: 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc fc\\n \u003effff888102c50100: 00 00 00 00 00 00 04 fc fc fc fc fc fc fc fc fc\\n ^\\n ffff888102c50180: 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc\\n ffff888102c50200: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.10.248\", \"versionStartIncluding\": \"4.7\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.15.198\", \"versionStartIncluding\": \"4.7\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.1.160\", \"versionStartIncluding\": \"4.7\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.6.120\", \"versionStartIncluding\": \"4.7\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.12.64\", \"versionStartIncluding\": \"4.7\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.18.4\", \"versionStartIncluding\": \"4.7\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.19\", \"versionStartIncluding\": \"4.7\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2026-05-11T21:54:29.688Z\"}}}",
"cveMetadata": "{\"cveId\": \"CVE-2025-71087\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-06-11T18:44:14.263Z\", \"dateReserved\": \"2026-01-13T15:30:19.649Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2026-01-13T15:34:49.691Z\", \"assignerShortName\": \"Linux\"}",
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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