FKIE_CVE-2026-23099
Vulnerability from fkie_nvd - Published: 2026-02-04 17:16 - Updated: 2026-06-19 13:16
Severity
Summary
In the Linux kernel, the following vulnerability has been resolved:
bonding: limit BOND_MODE_8023AD to Ethernet devices
BOND_MODE_8023AD makes sense for ARPHRD_ETHER only.
syzbot reported:
BUG: KASAN: global-out-of-bounds in __hw_addr_create net/core/dev_addr_lists.c:63 [inline]
BUG: KASAN: global-out-of-bounds in __hw_addr_add_ex+0x25d/0x760 net/core/dev_addr_lists.c:118
Read of size 16 at addr ffffffff8bf94040 by task syz.1.3580/19497
CPU: 1 UID: 0 PID: 19497 Comm: syz.1.3580 Tainted: G L syzkaller #0 PREEMPT(full)
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
Call Trace:
<TASK>
dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120
print_address_description mm/kasan/report.c:378 [inline]
print_report+0xca/0x240 mm/kasan/report.c:482
kasan_report+0x118/0x150 mm/kasan/report.c:595
check_region_inline mm/kasan/generic.c:-1 [inline]
kasan_check_range+0x2b0/0x2c0 mm/kasan/generic.c:200
__asan_memcpy+0x29/0x70 mm/kasan/shadow.c:105
__hw_addr_create net/core/dev_addr_lists.c:63 [inline]
__hw_addr_add_ex+0x25d/0x760 net/core/dev_addr_lists.c:118
__dev_mc_add net/core/dev_addr_lists.c:868 [inline]
dev_mc_add+0xa1/0x120 net/core/dev_addr_lists.c:886
bond_enslave+0x2b8b/0x3ac0 drivers/net/bonding/bond_main.c:2180
do_set_master+0x533/0x6d0 net/core/rtnetlink.c:2963
do_setlink+0xcf0/0x41c0 net/core/rtnetlink.c:3165
rtnl_changelink net/core/rtnetlink.c:3776 [inline]
__rtnl_newlink net/core/rtnetlink.c:3935 [inline]
rtnl_newlink+0x161c/0x1c90 net/core/rtnetlink.c:4072
rtnetlink_rcv_msg+0x7cf/0xb70 net/core/rtnetlink.c:6958
netlink_rcv_skb+0x208/0x470 net/netlink/af_netlink.c:2550
netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline]
netlink_unicast+0x82f/0x9e0 net/netlink/af_netlink.c:1344
netlink_sendmsg+0x805/0xb30 net/netlink/af_netlink.c:1894
sock_sendmsg_nosec net/socket.c:727 [inline]
__sock_sendmsg+0x21c/0x270 net/socket.c:742
____sys_sendmsg+0x505/0x820 net/socket.c:2592
___sys_sendmsg+0x21f/0x2a0 net/socket.c:2646
__sys_sendmsg+0x164/0x220 net/socket.c:2678
do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline]
__do_fast_syscall_32+0x1dc/0x560 arch/x86/entry/syscall_32.c:307
do_fast_syscall_32+0x34/0x80 arch/x86/entry/syscall_32.c:332
entry_SYSENTER_compat_after_hwframe+0x84/0x8e
</TASK>
The buggy address belongs to the variable:
lacpdu_mcast_addr+0x0/0x40
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| linux | linux_kernel | * | |
| linux | linux_kernel | * | |
| linux | linux_kernel | * | |
| linux | linux_kernel | * | |
| linux | linux_kernel | * | |
| linux | linux_kernel | 6.19 | |
| linux | linux_kernel | 6.19 | |
| linux | linux_kernel | 6.19 | |
| linux | linux_kernel | 6.19 | |
| linux | linux_kernel | 6.19 | |
| linux | linux_kernel | 6.19 |
{
"affected": [
{
"affectedData": [
{
"defaultStatus": "unaffected",
"product": "Linux",
"programFiles": [
"drivers/net/bonding/bond_main.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"lessThan": "19266182b82e9100c799d8a29f5e0452f0bf7703",
"status": "affected",
"version": "872254dd6b1f80cb95ee9e2e22980888533fc293",
"versionType": "git"
},
{
"lessThan": "72925dbb0c8c7b16bf922e93c6cc03cbd8c955c4",
"status": "affected",
"version": "872254dd6b1f80cb95ee9e2e22980888533fc293",
"versionType": "git"
},
{
"lessThan": "5063b2cd9b27d35ab788d707d7858ded0acc8f1d",
"status": "affected",
"version": "872254dd6b1f80cb95ee9e2e22980888533fc293",
"versionType": "git"
},
{
"lessThan": "80c881e53a4fa0a80fa4bef7bc0ead0e8e88940d",
"status": "affected",
"version": "872254dd6b1f80cb95ee9e2e22980888533fc293",
"versionType": "git"
},
{
"lessThan": "ef68afb1bee8d35a18896c27d7358079353d8d8a",
"status": "affected",
"version": "872254dd6b1f80cb95ee9e2e22980888533fc293",
"versionType": "git"
},
{
"lessThan": "43dee6f7ef1d228821de1b61c292af3744c8d7da",
"status": "affected",
"version": "872254dd6b1f80cb95ee9e2e22980888533fc293",
"versionType": "git"
},
{
"lessThan": "c84fcb79e5dbde0b8d5aeeaf04282d2149aebcf6",
"status": "affected",
"version": "872254dd6b1f80cb95ee9e2e22980888533fc293",
"versionType": "git"
}
]
},
{
"defaultStatus": "affected",
"product": "Linux",
"programFiles": [
"drivers/net/bonding/bond_main.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"status": "affected",
"version": "2.6.24"
},
{
"lessThan": "2.6.24",
"status": "unaffected",
"version": "0",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.10.*",
"status": "unaffected",
"version": "5.10.259",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.15.*",
"status": "unaffected",
"version": "5.15.199",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"version": "6.1.162",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.6.*",
"status": "unaffected",
"version": "6.6.122",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.12.*",
"status": "unaffected",
"version": "6.12.68",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.18.*",
"status": "unaffected",
"version": "6.18.8",
"versionType": "semver"
},
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "6.19",
"versionType": "original_commit_for_fix"
}
]
}
],
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}
],
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"matchCriteriaId": "B1B14999-5FD5-43C6-B224-8B3A07A91FB6",
"versionEndExcluding": "5.15.199",
"versionStartIncluding": "2.6.24",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"matchCriteriaId": "6579E0D4-0641-479D-A4C3-0EF618798C55",
"versionEndExcluding": "6.1.162",
"versionStartIncluding": "5.16",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"matchCriteriaId": "8EAAE395-0162-4BAF-9AD5-E9AF3C869C4F",
"versionEndExcluding": "6.6.122",
"versionStartIncluding": "6.2",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"matchCriteriaId": "52F38E19-0FDD-4992-9D6D-D4169D689598",
"versionEndExcluding": "6.12.68",
"versionStartIncluding": "6.7",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"matchCriteriaId": "E65C6E79-7EBE-4C77-93F0-818CF5B38F4E",
"versionEndExcluding": "6.18.8",
"versionStartIncluding": "6.13",
"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
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbonding: limit BOND_MODE_8023AD to Ethernet devices\n\nBOND_MODE_8023AD makes sense for ARPHRD_ETHER only.\n\nsyzbot reported:\n\n BUG: KASAN: global-out-of-bounds in __hw_addr_create net/core/dev_addr_lists.c:63 [inline]\n BUG: KASAN: global-out-of-bounds in __hw_addr_add_ex+0x25d/0x760 net/core/dev_addr_lists.c:118\nRead of size 16 at addr ffffffff8bf94040 by task syz.1.3580/19497\n\nCPU: 1 UID: 0 PID: 19497 Comm: syz.1.3580 Tainted: G L syzkaller #0 PREEMPT(full)\nTainted: [L]=SOFTLOCKUP\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025\nCall Trace:\n \u003cTASK\u003e\n dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120\n print_address_description mm/kasan/report.c:378 [inline]\n print_report+0xca/0x240 mm/kasan/report.c:482\n kasan_report+0x118/0x150 mm/kasan/report.c:595\n check_region_inline mm/kasan/generic.c:-1 [inline]\n kasan_check_range+0x2b0/0x2c0 mm/kasan/generic.c:200\n __asan_memcpy+0x29/0x70 mm/kasan/shadow.c:105\n __hw_addr_create net/core/dev_addr_lists.c:63 [inline]\n __hw_addr_add_ex+0x25d/0x760 net/core/dev_addr_lists.c:118\n __dev_mc_add net/core/dev_addr_lists.c:868 [inline]\n dev_mc_add+0xa1/0x120 net/core/dev_addr_lists.c:886\n bond_enslave+0x2b8b/0x3ac0 drivers/net/bonding/bond_main.c:2180\n do_set_master+0x533/0x6d0 net/core/rtnetlink.c:2963\n do_setlink+0xcf0/0x41c0 net/core/rtnetlink.c:3165\n rtnl_changelink net/core/rtnetlink.c:3776 [inline]\n __rtnl_newlink net/core/rtnetlink.c:3935 [inline]\n rtnl_newlink+0x161c/0x1c90 net/core/rtnetlink.c:4072\n rtnetlink_rcv_msg+0x7cf/0xb70 net/core/rtnetlink.c:6958\n netlink_rcv_skb+0x208/0x470 net/netlink/af_netlink.c:2550\n netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline]\n netlink_unicast+0x82f/0x9e0 net/netlink/af_netlink.c:1344\n netlink_sendmsg+0x805/0xb30 net/netlink/af_netlink.c:1894\n sock_sendmsg_nosec net/socket.c:727 [inline]\n __sock_sendmsg+0x21c/0x270 net/socket.c:742\n ____sys_sendmsg+0x505/0x820 net/socket.c:2592\n ___sys_sendmsg+0x21f/0x2a0 net/socket.c:2646\n __sys_sendmsg+0x164/0x220 net/socket.c:2678\n do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline]\n __do_fast_syscall_32+0x1dc/0x560 arch/x86/entry/syscall_32.c:307\n do_fast_syscall_32+0x34/0x80 arch/x86/entry/syscall_32.c:332\n entry_SYSENTER_compat_after_hwframe+0x84/0x8e\n \u003c/TASK\u003e\n\nThe buggy address belongs to the variable:\n lacpdu_mcast_addr+0x0/0x40"
},
{
"lang": "es",
"value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\nbonding: limitar BOND_MODE_8023AD a dispositivos Ethernet\n\nBOND_MODE_8023AD solo tiene sentido para ARPHRD_ETHER.\n\nsyzbot inform\u00f3:\n\n BUG: KASAN: global-out-of-bounds en __hw_addr_create net/core/dev_addr_lists.c:63 [inline]\n BUG: KASAN: global-out-of-bounds en __hw_addr_add_ex+0x25d/0x760 net/core/dev_addr_lists.c:118\nLectura de tama\u00f1o 16 en la direcci\u00f3n ffffffff8bf94040 por la tarea syz.1.3580/19497\n\nCPU: 1 UID: 0 PID: 19497 Comm: syz.1.3580 Tainted: G L syzkaller #0 PREEMPT(full)\nTainted: [L]=SOFTLOCKUP\nNombre del hardware: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025\nTraza de Llamadas:\n \n dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120\n print_address_description mm/kasan/report.c:378 [inline]\n print_report+0xca/0x240 mm/kasan/report.c:482\n kasan_report+0x118/0x150 mm/kasan/report.c:595\n check_region_inline mm/kasan/generic.c:-1 [inline]\n kasan_check_range+0x2b0/0x2c0 mm/kasan/generic.c:200\n __asan_memcpy+0x29/0x70 mm/kasan/shadow.c:105\n __hw_addr_create net/core/dev_addr_lists.c:63 [inline]\n __hw_addr_add_ex+0x25d/0x760 net/core/dev_addr_lists.c:118\n __dev_mc_add net/core/dev_addr_lists.c:868 [inline]\n dev_mc_add+0xa1/0x120 net/core/dev_addr_lists.c:886\n bond_enslave+0x2b8b/0x3ac0 drivers/net/bonding/bond_main.c:2180\n do_set_master+0x533/0x6d0 net/core/rtnetlink.c:2963\n do_setlink+0xcf0/0x41c0 net/core/rtnetlink.c:3165\n rtnl_changelink net/core/rtnetlink.c:3776 [inline]\n __rtnl_newlink net/core/rtnetlink.c:3935 [inline]\n rtnl_newlink+0x161c/0x1c90 net/core/rtnetlink.c:4072\n rtnetlink_rcv_msg+0x7cf/0xb70 net/core/rtnetlink.c:6958\n netlink_rcv_skb+0x208/0x470 net/netlink/af_netlink.c:2550\n netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline]\n netlink_unicast+0x82f/0x9e0 net/netlink/af_netlink.c:1344\n netlink_sendmsg+0x805/0xb30 net/netlink/af_netlink.c:1894\n sock_sendmsg_nosec net/socket.c:727 [inline]\n __sock_sendmsg+0x21c/0x270 net/socket.c:742\n ____sys_sendmsg+0x505/0x820 net/socket.c:2592\n ___sys_sendmsg+0x21f/0x2a0 net/socket.c:2646\n __sys_sendmsg+0x164/0x220 net/socket.c:2678\n do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline]\n __do_fast_syscall_32+0x1dc/0x560 arch/x86/entry/syscall_32.c:307\n do_fast_syscall_32+0x34/0x80 arch/x86/entry/syscall_32.c:332\n entry_SYSENTER_compat_after_hwframe+0x84/0x8e\n \n\nLa direcci\u00f3n err\u00f3nea pertenece a la variable:\n lacpdu_mcast_addr+0x0/0x40"
}
],
"id": "CVE-2026-23099",
"lastModified": "2026-06-19T13:16:24.520",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.1,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H",
"version": "3.1"
},
"exploitabilityScore": 1.8,
"impactScore": 5.2,
"source": "nvd@nist.gov",
"type": "Primary"
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2026-23099",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-06-10T20:40:44.652755Z",
"version": "2.0.3"
}
}
]
},
"published": "2026-02-04T17:16:20.777",
"references": [
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/19266182b82e9100c799d8a29f5e0452f0bf7703"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"tags": [
"Patch"
],
"url": "https://git.kernel.org/stable/c/43dee6f7ef1d228821de1b61c292af3744c8d7da"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"tags": [
"Patch"
],
"url": "https://git.kernel.org/stable/c/5063b2cd9b27d35ab788d707d7858ded0acc8f1d"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"tags": [
"Patch"
],
"url": "https://git.kernel.org/stable/c/72925dbb0c8c7b16bf922e93c6cc03cbd8c955c4"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"tags": [
"Patch"
],
"url": "https://git.kernel.org/stable/c/80c881e53a4fa0a80fa4bef7bc0ead0e8e88940d"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"tags": [
"Patch"
],
"url": "https://git.kernel.org/stable/c/c84fcb79e5dbde0b8d5aeeaf04282d2149aebcf6"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"tags": [
"Patch"
],
"url": "https://git.kernel.org/stable/c/ef68afb1bee8d35a18896c27d7358079353d8d8a"
}
],
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-125"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
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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.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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