Vulnerability-Lookup

FKIE_CVE-2024-39487

Vulnerability from fkie_nvd - Published: 2024-07-09 10:15 - Updated: 2026-08-04 11:19

Severity

7.1 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
7.1 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

Summary

In the Linux kernel, the following vulnerability has been resolved: bonding: Fix out-of-bounds read in bond_option_arp_ip_targets_set() In function bond_option_arp_ip_targets_set(), if newval->string is an empty string, newval->string+1 will point to the byte after the string, causing an out-of-bound read. BUG: KASAN: slab-out-of-bounds in strlen+0x7d/0xa0 lib/string.c:418 Read of size 1 at addr ffff8881119c4781 by task syz-executor665/8107 CPU: 1 PID: 8107 Comm: syz-executor665 Not tainted 6.7.0-rc7 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014 Call Trace: <TASK> __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xd9/0x150 lib/dump_stack.c:106 print_address_description mm/kasan/report.c:364 [inline] print_report+0xc1/0x5e0 mm/kasan/report.c:475 kasan_report+0xbe/0xf0 mm/kasan/report.c:588 strlen+0x7d/0xa0 lib/string.c:418 __fortify_strlen include/linux/fortify-string.h:210 [inline] in4_pton+0xa3/0x3f0 net/core/utils.c:130 bond_option_arp_ip_targets_set+0xc2/0x910 drivers/net/bonding/bond_options.c:1201 __bond_opt_set+0x2a4/0x1030 drivers/net/bonding/bond_options.c:767 __bond_opt_set_notify+0x48/0x150 drivers/net/bonding/bond_options.c:792 bond_opt_tryset_rtnl+0xda/0x160 drivers/net/bonding/bond_options.c:817 bonding_sysfs_store_option+0xa1/0x120 drivers/net/bonding/bond_sysfs.c:156 dev_attr_store+0x54/0x80 drivers/base/core.c:2366 sysfs_kf_write+0x114/0x170 fs/sysfs/file.c:136 kernfs_fop_write_iter+0x337/0x500 fs/kernfs/file.c:334 call_write_iter include/linux/fs.h:2020 [inline] new_sync_write fs/read_write.c:491 [inline] vfs_write+0x96a/0xd80 fs/read_write.c:584 ksys_write+0x122/0x250 fs/read_write.c:637 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0x40/0x110 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x63/0x6b ---[ end trace ]--- Fix it by adding a check of string length before using it.

References

URL	Tags
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/6a8a4fd082c439e19fede027e80c79bc4c84bb8e	Mailing List, Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/6b21346b399fd1336fe59233a17eb5ce73041ee1	Mailing List, Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/707c85ba3527ad6aa25552033576b0f1ff835d7b	Mailing List, Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/9f835e48bd4c75fdf6a9cff3f0b806a7abde78da	Mailing List, Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/b75e33eae8667084bd4a63e67657c6a5a0f8d1e8	Mailing List, Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/bfd14e5915c2669f292a31d028e75dcd82f1e7e9	Mailing List, Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/c8eb8ab9a44ff0e73492d0a12a643c449f641a9f	Mailing List, Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/e271ff53807e8f2c628758290f0e499dbe51cb3d	Mailing List, Patch
af854a3a-2127-422b-91ae-364da2661108	https://git.kernel.org/stable/c/6a8a4fd082c439e19fede027e80c79bc4c84bb8e	Mailing List, Patch
af854a3a-2127-422b-91ae-364da2661108	https://git.kernel.org/stable/c/6b21346b399fd1336fe59233a17eb5ce73041ee1	Mailing List, Patch
af854a3a-2127-422b-91ae-364da2661108	https://git.kernel.org/stable/c/707c85ba3527ad6aa25552033576b0f1ff835d7b	Mailing List, Patch
af854a3a-2127-422b-91ae-364da2661108	https://git.kernel.org/stable/c/9f835e48bd4c75fdf6a9cff3f0b806a7abde78da	Mailing List, Patch
af854a3a-2127-422b-91ae-364da2661108	https://git.kernel.org/stable/c/b75e33eae8667084bd4a63e67657c6a5a0f8d1e8	Mailing List, Patch
af854a3a-2127-422b-91ae-364da2661108	https://git.kernel.org/stable/c/bfd14e5915c2669f292a31d028e75dcd82f1e7e9	Mailing List, Patch
af854a3a-2127-422b-91ae-364da2661108	https://git.kernel.org/stable/c/c8eb8ab9a44ff0e73492d0a12a643c449f641a9f	Mailing List, Patch
af854a3a-2127-422b-91ae-364da2661108	https://git.kernel.org/stable/c/e271ff53807e8f2c628758290f0e499dbe51cb3d	Mailing List, Patch
af854a3a-2127-422b-91ae-364da2661108	https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html

Impacted products

Vendor	Product	Version
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	6.10
linux	linux_kernel	6.10
linux	linux_kernel	6.10
linux	linux_kernel	6.10
linux	linux_kernel	6.10
linux	linux_kernel	6.10

JSON

To clipboard

{
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          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
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            },
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              "lessThan": "3.13",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
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              "lessThanOrEqual": "4.19.*",
              "status": "unaffected",
              "version": "4.19.318",
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              "status": "unaffected",
              "version": "5.4.280",
              "versionType": "semver"
            },
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              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.222",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.163",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.98",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.39",
              "versionType": "semver"
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            {
              "lessThanOrEqual": "6.9.*",
              "status": "unaffected",
              "version": "6.9.9",
              "versionType": "semver"
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              "lessThanOrEqual": "*",
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              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
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  "configurations": [
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          "negate": false,
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    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbonding: Fix out-of-bounds read in bond_option_arp_ip_targets_set()\n\nIn function bond_option_arp_ip_targets_set(), if newval-\u003estring is an\nempty string, newval-\u003estring+1 will point to the byte after the\nstring, causing an out-of-bound read.\n\nBUG: KASAN: slab-out-of-bounds in strlen+0x7d/0xa0 lib/string.c:418\nRead of size 1 at addr ffff8881119c4781 by task syz-executor665/8107\nCPU: 1 PID: 8107 Comm: syz-executor665 Not tainted 6.7.0-rc7 #1\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014\nCall Trace:\n \u003cTASK\u003e\n __dump_stack lib/dump_stack.c:88 [inline]\n dump_stack_lvl+0xd9/0x150 lib/dump_stack.c:106\n print_address_description mm/kasan/report.c:364 [inline]\n print_report+0xc1/0x5e0 mm/kasan/report.c:475\n kasan_report+0xbe/0xf0 mm/kasan/report.c:588\n strlen+0x7d/0xa0 lib/string.c:418\n __fortify_strlen include/linux/fortify-string.h:210 [inline]\n in4_pton+0xa3/0x3f0 net/core/utils.c:130\n bond_option_arp_ip_targets_set+0xc2/0x910\ndrivers/net/bonding/bond_options.c:1201\n __bond_opt_set+0x2a4/0x1030 drivers/net/bonding/bond_options.c:767\n __bond_opt_set_notify+0x48/0x150 drivers/net/bonding/bond_options.c:792\n bond_opt_tryset_rtnl+0xda/0x160 drivers/net/bonding/bond_options.c:817\n bonding_sysfs_store_option+0xa1/0x120 drivers/net/bonding/bond_sysfs.c:156\n dev_attr_store+0x54/0x80 drivers/base/core.c:2366\n sysfs_kf_write+0x114/0x170 fs/sysfs/file.c:136\n kernfs_fop_write_iter+0x337/0x500 fs/kernfs/file.c:334\n call_write_iter include/linux/fs.h:2020 [inline]\n new_sync_write fs/read_write.c:491 [inline]\n vfs_write+0x96a/0xd80 fs/read_write.c:584\n ksys_write+0x122/0x250 fs/read_write.c:637\n do_syscall_x64 arch/x86/entry/common.c:52 [inline]\n do_syscall_64+0x40/0x110 arch/x86/entry/common.c:83\n entry_SYSCALL_64_after_hwframe+0x63/0x6b\n---[ end trace ]---\n\nFix it by adding a check of string length before using it."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: bonding: corrige la lectura fuera de los l\u00edmites en bond_option_arp_ip_targets_set() En la funci\u00f3n bond_option_arp_ip_targets_set(), si newval-\u0026gt;string es una cadena vac\u00eda, newval-\u0026gt;string+1 apuntar\u00e1 a el byte despu\u00e9s de la cadena, lo que provoca una lectura fuera de los l\u00edmites. ERROR: KASAN: slab-out-of-bounds en strlen+0x7d/0xa0 lib/string.c:418 Lectura del tama\u00f1o 1 en la direcci\u00f3n ffff8881119c4781 por tarea syz-executor665/8107 CPU: 1 PID: 8107 Comm: syz-executor665 No tainted 6.7.0-rc7 #1 Nombre del hardware: PC est\u00e1ndar QEMU (i440FX + PIIX, 1996), BIOS 1.15.0-1 01/04/2014 Seguimiento de llamadas:  __dump_stack lib/dump_stack.c:88 [en l\u00ednea] dump_stack_lvl+0xd9/0x150 lib/dump_stack.c:106 print_address_description mm/kasan/report.c:364 [en l\u00ednea] print_report+0xc1/0x5e0 mm/kasan/report.c:475 kasan_report+0xbe/0xf0 mm/kasan/report. c:588 strlen+0x7d/0xa0 lib/string.c:418 __fortify_strlen include/linux/fortify-string.h:210 [en l\u00ednea] in4_pton+0xa3/0x3f0 net/core/utils.c:130 bond_option_arp_ip_targets_set+0xc2/0x910 controladores /net/bonding/bond_options.c:1201 __bond_opt_set+0x2a4/0x1030 controladores/net/bonding/bond_options.c: 767 __bond_opt_set_notify+0x48/0x150 Drivers/net/bonding/bond_options.c: 792 bond_pt_tryset neto /bonding/bond_options.c:817 bonding_sysfs_store_option+0xa1/0x120 drivers/net/bonding/bond_sysfs.c:156 dev_attr_store+0x54/0x80 drivers/base/core.c:2366 sysfs_kf_write+0x114/0x170 fs/sysfs/file.c :136 kernfs_fop_write_iter+0x337/0x500 fs/kernfs/file.c:334 call_write_iter include/linux/fs.h:2020 [en l\u00ednea] new_sync_write fs/read_write.c:491 [en l\u00ednea] vfs_write+0x96a/0xd80 fs/read_write.c :584 ksys_write+0x122/0x250 fs/read_write.c:637 do_syscall_x64 arch/x86/entry/common.c:52 [en l\u00ednea] do_syscall_64+0x40/0x110 arch/x86/entry/common.c:83 Entry_SYSCALL_64_after_hwframe+0x63/0x6 ---[rastreo final]--- Solucionelo agregando una verificaci\u00f3n de la longitud de la cadena antes de usarlo."
    }
  ],
  "id": "CVE-2024-39487",
  "lastModified": "2026-08-04T11:19:00.157",
  "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": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "type": "Secondary"
      },
      {
        "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-2024-39487",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2024-07-23T14:04:37.191643Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2024-07-09T10:15:04.597",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
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      "url": "https://git.kernel.org/stable/c/707c85ba3527ad6aa25552033576b0f1ff835d7b"
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CVE-2024-39487 (GCVE-0-2024-39487)

Vulnerability from cvelistv5 – Published: 2024-07-09 09:52 – Updated: 2026-08-05 11:33

Title

bonding: Fix out-of-bounds read in bond_option_arp_ip_targets_set()

Summary

Severity

7.1 (High)


                        
                          CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-07-23 14:04 UTC

Assigner

Linux mitre root Scorecard

References

9 references

URL	Tags
https://git.kernel.org/stable/c/6a8a4fd082c439e19…
https://git.kernel.org/stable/c/6b21346b399fd1336…
https://git.kernel.org/stable/c/707c85ba3527ad6aa…
https://git.kernel.org/stable/c/bfd14e5915c2669f2…
https://git.kernel.org/stable/c/c8eb8ab9a44ff0e73…
https://git.kernel.org/stable/c/b75e33eae8667084b…
https://git.kernel.org/stable/c/9f835e48bd4c75fdf…
https://git.kernel.org/stable/c/e271ff53807e8f2c6…
https://lists.debian.org/debian-lts-announce/2025…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: f9de11a165943a55e0fbda714caf60eaeb276a42 , < 6a8a4fd082c439e19fede027e80c79bc4c84bb8e (git) Affected: f9de11a165943a55e0fbda714caf60eaeb276a42 , < 6b21346b399fd1336fe59233a17eb5ce73041ee1 (git) Affected: f9de11a165943a55e0fbda714caf60eaeb276a42 , < 707c85ba3527ad6aa25552033576b0f1ff835d7b (git) Affected: f9de11a165943a55e0fbda714caf60eaeb276a42 , < bfd14e5915c2669f292a31d028e75dcd82f1e7e9 (git) Affected: f9de11a165943a55e0fbda714caf60eaeb276a42 , < c8eb8ab9a44ff0e73492d0a12a643c449f641a9f (git) Affected: f9de11a165943a55e0fbda714caf60eaeb276a42 , < b75e33eae8667084bd4a63e67657c6a5a0f8d1e8 (git) Affected: f9de11a165943a55e0fbda714caf60eaeb276a42 , < 9f835e48bd4c75fdf6a9cff3f0b806a7abde78da (git) Affected: f9de11a165943a55e0fbda714caf60eaeb276a42 , < e271ff53807e8f2c628758290f0e499dbe51cb3d (git)
Linux	Linux	Affected: 3.13 Unaffected: 0 , < 3.13 (semver) Unaffected: 4.19.318 , ≤ 4.19.* (semver) Unaffected: 5.4.280 , ≤ 5.4.* (semver) Unaffected: 5.10.222 , ≤ 5.10.* (semver) Unaffected: 5.15.163 , ≤ 5.15.* (semver) Unaffected: 6.1.98 , ≤ 6.1.* (semver) Unaffected: 6.6.39 , ≤ 6.6.* (semver) Unaffected: 6.9.9 , ≤ 6.9.* (semver) Unaffected: 6.10 , ≤ * (original_commit_for_fix)

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              "value": "AV:L - The only path that reaches the string branch is a write(2) to /sys/class/net/\u003cbond\u003e/bonding/arp_ip_target; the rtnetlink path passes a binary __be32 and cannot set newval-\u003estring. This requires local access, not network traffic.\nAC:L - A single deterministic write of one NUL byte produces the empty string and triggers the out-of-bounds strlen() every time \u2014 no race, no timing window, and no dependence on memory layout to reach the OOB access.\nPR:L - Verified empirically as uid 1000: inside `unshare -Urnm` the bond netdev\u0027s sysfs group is owned by the user namespace\u0027s root (net_class.get_ownership \u2192 net_ns_get_ownership), which maps to the attacker\u0027s real uid, so an unprivileged user can create the bond and write the attribute. No real root or init-namespace capability is needed.\nUI:N - The attacker performs the entire sequence (create netns/userns, create bond device, write the sysfs file) unaided; no victim action is involved.\nS:U - The out-of-bounds read stays within the kernel\u0027s own memory and security authority; no VM, IOMMU, or sandbox boundary is crossed.\nC:H - strlen() walks adjacent slab memory with no upper bound until it happens to find a NUL byte, and parsed heap bytes forming a dotted quad are stored in bond-\u003eparams.arp_targets where any user can read them back via the world-readable arp_ip_target attribute or netlink; the pre-fix error path also leaked uninitialized kernel stack through %pI4.\nI:N - The defect is a read-only out-of-bounds access with no write primitive; the only state changed is the bond\u0027s own ARP target list, which the same actor could already set legitimately through the identical interface.\nA:H - The unbounded read can run past the end of the slab page into unmapped memory (e.g. with DEBUG_PAGEALLOC/page poisoning) causing an oops, and on KASAN kernels it produces the reported slab-out-of-bounds report/panic, repeatable at will by an unprivileged user."
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  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2024-39487",
    "datePublished": "2024-07-09T09:52:07.664Z",
    "dateReserved": "2024-06-25T14:23:23.747Z",
    "dateUpdated": "2026-08-05T11:33:39.455Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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.

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.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

FKIE_CVE-2024-39487

CVE-2024-39487 (GCVE-0-2024-39487)

Tags

Sightings

Nomenclature

Related by attack behaviour