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bonding: limit BOND_MODE_8023AD to Ethernet devices

Type: advisorySource: Official CVE List1 source record

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: 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

Announced Group revision 1
Original source ↗

CVE-2026-23099

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: cve:CVE-2026-23099

Linux

Source reference: /containers/cna/affected/0/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Linux

Source reference: /containers/cna/affected/1/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "vendor": "Linux",
    "product": "Linux",
    "versions": [
      {
        "status": "affected",
        "version": "872254dd6b1f80cb95ee9e2e22980888533fc293",
        "lessThan": "19266182b82e9100c799d8a29f5e0452f0bf7703",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "872254dd6b1f80cb95ee9e2e22980888533fc293",
        "lessThan": "72925dbb0c8c7b16bf922e93c6cc03cbd8c955c4",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "872254dd6b1f80cb95ee9e2e22980888533fc293",
        "lessThan": "5063b2cd9b27d35ab788d707d7858ded0acc8f1d",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "872254dd6b1f80cb95ee9e2e22980888533fc293",
        "lessThan": "80c881e53a4fa0a80fa4bef7bc0ead0e8e88940d",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "872254dd6b1f80cb95ee9e2e22980888533fc293",
        "lessThan": "ef68afb1bee8d35a18896c27d7358079353d8d8a",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "872254dd6b1f80cb95ee9e2e22980888533fc293",
        "lessThan": "43dee6f7ef1d228821de1b61c292af3744c8d7da",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "872254dd6b1f80cb95ee9e2e22980888533fc293",
        "lessThan": "c84fcb79e5dbde0b8d5aeeaf04282d2149aebcf6",
        "versionType": "git"
      }
    ],
    "programFiles": [
      "drivers/net/bonding/bond_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": "2.6.24"
      },
      {
        "status": "unaffected",
        "version": "0",
        "lessThan": "2.6.24",
        "versionType": "semver"
      },
      {
        "status": "unaffected",
        "version": "5.10.259",
        "versionType": "semver",
        "lessThanOrEqual": "5.10.*"
      },
      {
        "status": "unaffected",
        "version": "5.15.199",
        "versionType": "semver",
        "lessThanOrEqual": "5.15.*"
      },
      {
        "status": "unaffected",
        "version": "6.1.162",
        "versionType": "semver",
        "lessThanOrEqual": "6.1.*"
      },
      {
        "status": "unaffected",
        "version": "6.6.122",
        "versionType": "semver",
        "lessThanOrEqual": "6.6.*"
      },
      {
        "status": "unaffected",
        "version": "6.12.68",
        "versionType": "semver",
        "lessThanOrEqual": "6.12.*"
      },
      {
        "status": "unaffected",
        "version": "6.18.8",
        "versionType": "semver",
        "lessThanOrEqual": "6.18.*"
      },
      {
        "status": "unaffected",
        "version": "6.19",
        "versionType": "original_commit_for_fix",
        "lessThanOrEqual": "*"
      }
    ],
    "programFiles": [
      "drivers/net/bonding/bond_main.c"
    ],
    "defaultStatus": "affected"
  }
]
Related CVEs
CVE-2026-23099

Source reference: /cveMetadata/cveId

Publisher severity

No explicit severity was provided.

Event
#39751 · Revision 1
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Publisher date
Read the original announcement

Revision history

  1. CVE-2026-23099 · Revision 1Source updated