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CVE-2026-31510 (GCVE-0-2026-31510)

Vulnerability from cvelistv5 – Published: 2026-04-22 13:54 – Updated: 2026-05-11 22:10
VLAI
Title
Bluetooth: L2CAP: Fix null-ptr-deref on l2cap_sock_ready_cb
Summary
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix null-ptr-deref on l2cap_sock_ready_cb Before using sk pointer, check if it is null. Fix the following: KASAN: null-ptr-deref in range [0x0000000000000260-0x0000000000000267] CPU: 0 UID: 0 PID: 5985 Comm: kworker/0:5 Not tainted 7.0.0-rc4-00029-ga989fde763f4 #1 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.17.0-9.fc43 06/10/2025 Workqueue: events l2cap_info_timeout RIP: 0010:kasan_byte_accessible+0x12/0x30 Code: 79 ff ff ff 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1f 40 d6 48 c1 ef 03 48 b8 00 00 00 00 00 fc ff df <0f> b6 04 07 3c 08 0f 92 c0 c3 cc cce veth0_macvtap: entered promiscuous mode RSP: 0018:ffffc90006e0f808 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: ffffffff89746018 RCX: 0000000080000001 RDX: 0000000000000000 RSI: ffffffff89746018 RDI: 000000000000004c RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 R10: dffffc0000000000 R11: ffffffff8aae3e70 R12: 0000000000000000 R13: 0000000000000260 R14: 0000000000000260 R15: 0000000000000001 FS: 0000000000000000(0000) GS:ffff8880983c2000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005582615a5008 CR3: 000000007007e000 CR4: 0000000000752ef0 PKRU: 55555554 Call Trace: <TASK> __kasan_check_byte+0x12/0x40 lock_acquire+0x79/0x2e0 lock_sock_nested+0x48/0x100 ? l2cap_sock_ready_cb+0x46/0x160 l2cap_sock_ready_cb+0x46/0x160 l2cap_conn_start+0x779/0xff0 ? __pfx_l2cap_conn_start+0x10/0x10 ? l2cap_info_timeout+0x60/0xa0 ? __pfx___mutex_lock+0x10/0x10 l2cap_info_timeout+0x68/0xa0 ? process_scheduled_works+0xa8d/0x18c0 process_scheduled_works+0xb6e/0x18c0 ? __pfx_process_scheduled_works+0x10/0x10 ? assign_work+0x3d5/0x5e0 worker_thread+0xa53/0xfc0 kthread+0x388/0x470 ? __pfx_worker_thread+0x10/0x10 ? __pfx_kthread+0x10/0x10 ret_from_fork+0x51e/0xb90 ? __pfx_ret_from_fork+0x10/0x10 veth1_macvtap: entered promiscuous mode ? __switch_to+0xc7d/0x1450 ? __pfx_kthread+0x10/0x10 ret_from_fork_asm+0x1a/0x30 </TASK> Modules linked in: ---[ end trace 0000000000000000 ]--- batman_adv: batadv0: Interface activated: batadv_slave_0 batman_adv: batadv0: Interface activated: batadv_slave_1 netdevsim netdevsim7 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 netdevsim netdevsim7 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 netdevsim netdevsim7 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 netdevsim netdevsim7 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 RIP: 0010:kasan_byte_accessible+0x12/0x30 Code: 79 ff ff ff 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1f 40 d6 48 c1 ef 03 48 b8 00 00 00 00 00 fc ff df <0f> b6 04 07 3c 08 0f 92 c0 c3 cc cce ieee80211 phy39: Selected rate control algorithm 'minstrel_ht' RSP: 0018:ffffc90006e0f808 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: ffffffff89746018 RCX: 0000000080000001 RDX: 0000000000000000 RSI: ffffffff89746018 RDI: 000000000000004c RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 R10: dffffc0000000000 R11: ffffffff8aae3e70 R12: 0000000000000000 R13: 0000000000000260 R14: 0000000000000260 R15: 0000000000000001 FS: 0000000000000000(0000) GS:ffff8880983c2000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f7e16139e9c CR3: 000000000e74e000 CR4: 0000000000752ef0 PKRU: 55555554 Kernel panic - not syncing: Fatal exception
Severity
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 54a59aa2b562872781d6a8fc89f300d360941691 , < d34776c7fa1f2c510f1cdd14823aba701babb4ad (git)
Affected: 54a59aa2b562872781d6a8fc89f300d360941691 , < 03d4eafb0f3788239df63575951f6b4c97bbfda4 (git)
Affected: 54a59aa2b562872781d6a8fc89f300d360941691 , < 3c821bc0fbeaa27910a20d0b43c6008d099792af (git)
Affected: 54a59aa2b562872781d6a8fc89f300d360941691 , < a04a760c06bb591989db659439efdf106f0bae76 (git)
Affected: 54a59aa2b562872781d6a8fc89f300d360941691 , < 0780f9333852971ca77d110019e3a66ce5a7b100 (git)
Affected: 54a59aa2b562872781d6a8fc89f300d360941691 , < 1dc6db047919ecd59493cd51248b37381bbabcbb (git)
Affected: 54a59aa2b562872781d6a8fc89f300d360941691 , < 898b89c90ff9496e64b9331040778cc4e1b28c9d (git)
Affected: 54a59aa2b562872781d6a8fc89f300d360941691 , < b6552e0503973daf6f23bd6ed9273ef131ee364f (git)
guessed Create a notification for this product.
Linux Linux Affected: 3.6
Unaffected: 0 , < 3.6 (semver)
Unaffected: 5.10.253 , ≤ 5.10.* (semver)
Unaffected: 5.15.203 , ≤ 5.15.* (semver)
Unaffected: 6.1.168 , ≤ 6.1.* (semver)
Unaffected: 6.6.131 , ≤ 6.6.* (semver)
Unaffected: 6.12.80 , ≤ 6.12.* (semver)
Unaffected: 6.18.21 , ≤ 6.18.* (semver)
Unaffected: 6.19.11 , ≤ 6.19.* (semver)
Unaffected: 7.0 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
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{
  "containers": {
    "cna": {
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        {
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          "product": "Linux",
          "programFiles": [
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              "version": "0",
              "versionType": "semver"
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              "versionType": "semver"
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              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.203",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.168",
              "versionType": "semver"
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              "status": "unaffected",
              "version": "6.6.131",
              "versionType": "semver"
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            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.80",
              "versionType": "semver"
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            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.21",
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            {
              "lessThanOrEqual": "6.19.*",
              "status": "unaffected",
              "version": "6.19.11",
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      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
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                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.10.253",
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                {
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                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.80",
                  "versionStartIncluding": "3.6",
                  "vulnerable": true
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                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18.21",
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                  "versionEndExcluding": "6.19.11",
                  "versionStartIncluding": "3.6",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.0",
                  "versionStartIncluding": "3.6",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: L2CAP: Fix null-ptr-deref on l2cap_sock_ready_cb\n\nBefore using sk pointer, check if it is null.\n\nFix the following:\n\n KASAN: null-ptr-deref in range [0x0000000000000260-0x0000000000000267]\n CPU: 0 UID: 0 PID: 5985 Comm: kworker/0:5 Not tainted 7.0.0-rc4-00029-ga989fde763f4 #1 PREEMPT(full)\n Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.17.0-9.fc43 06/10/2025\n Workqueue: events l2cap_info_timeout\n RIP: 0010:kasan_byte_accessible+0x12/0x30\n Code: 79 ff ff ff 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1f 40 d6 48 c1 ef 03 48 b8 00 00 00 00 00 fc ff df \u003c0f\u003e b6 04 07 3c 08 0f 92 c0 c3 cc cce\n veth0_macvtap: entered promiscuous mode\n RSP: 0018:ffffc90006e0f808 EFLAGS: 00010202\n RAX: dffffc0000000000 RBX: ffffffff89746018 RCX: 0000000080000001\n RDX: 0000000000000000 RSI: ffffffff89746018 RDI: 000000000000004c\n RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000\n R10: dffffc0000000000 R11: ffffffff8aae3e70 R12: 0000000000000000\n R13: 0000000000000260 R14: 0000000000000260 R15: 0000000000000001\n FS:  0000000000000000(0000) GS:ffff8880983c2000(0000) knlGS:0000000000000000\n CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n CR2: 00005582615a5008 CR3: 000000007007e000 CR4: 0000000000752ef0\n PKRU: 55555554\n Call Trace:\n  \u003cTASK\u003e\n  __kasan_check_byte+0x12/0x40\n  lock_acquire+0x79/0x2e0\n  lock_sock_nested+0x48/0x100\n  ? l2cap_sock_ready_cb+0x46/0x160\n  l2cap_sock_ready_cb+0x46/0x160\n  l2cap_conn_start+0x779/0xff0\n  ? __pfx_l2cap_conn_start+0x10/0x10\n  ? l2cap_info_timeout+0x60/0xa0\n  ? __pfx___mutex_lock+0x10/0x10\n  l2cap_info_timeout+0x68/0xa0\n  ? process_scheduled_works+0xa8d/0x18c0\n  process_scheduled_works+0xb6e/0x18c0\n  ? __pfx_process_scheduled_works+0x10/0x10\n  ? assign_work+0x3d5/0x5e0\n  worker_thread+0xa53/0xfc0\n  kthread+0x388/0x470\n  ? __pfx_worker_thread+0x10/0x10\n  ? __pfx_kthread+0x10/0x10\n  ret_from_fork+0x51e/0xb90\n  ? __pfx_ret_from_fork+0x10/0x10\n veth1_macvtap: entered promiscuous mode\n  ? __switch_to+0xc7d/0x1450\n  ? __pfx_kthread+0x10/0x10\n  ret_from_fork_asm+0x1a/0x30\n  \u003c/TASK\u003e\n Modules linked in:\n ---[ end trace 0000000000000000 ]---\n batman_adv: batadv0: Interface activated: batadv_slave_0\n batman_adv: batadv0: Interface activated: batadv_slave_1\n netdevsim netdevsim7 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0\n netdevsim netdevsim7 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0\n netdevsim netdevsim7 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0\n netdevsim netdevsim7 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0\n RIP: 0010:kasan_byte_accessible+0x12/0x30\n Code: 79 ff ff ff 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1f 40 d6 48 c1 ef 03 48 b8 00 00 00 00 00 fc ff df \u003c0f\u003e b6 04 07 3c 08 0f 92 c0 c3 cc cce\n ieee80211 phy39: Selected rate control algorithm \u0027minstrel_ht\u0027\n RSP: 0018:ffffc90006e0f808 EFLAGS: 00010202\n RAX: dffffc0000000000 RBX: ffffffff89746018 RCX: 0000000080000001\n RDX: 0000000000000000 RSI: ffffffff89746018 RDI: 000000000000004c\n RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000\n R10: dffffc0000000000 R11: ffffffff8aae3e70 R12: 0000000000000000\n R13: 0000000000000260 R14: 0000000000000260 R15: 0000000000000001\n FS:  0000000000000000(0000) GS:ffff8880983c2000(0000) knlGS:0000000000000000\n CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n CR2: 00007f7e16139e9c CR3: 000000000e74e000 CR4: 0000000000752ef0\n PKRU: 55555554\n Kernel panic - not syncing: Fatal exception"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-11T22:10:11.263Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/d34776c7fa1f2c510f1cdd14823aba701babb4ad"
        },
        {
          "url": "https://git.kernel.org/stable/c/03d4eafb0f3788239df63575951f6b4c97bbfda4"
        },
        {
          "url": "https://git.kernel.org/stable/c/3c821bc0fbeaa27910a20d0b43c6008d099792af"
        },
        {
          "url": "https://git.kernel.org/stable/c/a04a760c06bb591989db659439efdf106f0bae76"
        },
        {
          "url": "https://git.kernel.org/stable/c/0780f9333852971ca77d110019e3a66ce5a7b100"
        },
        {
          "url": "https://git.kernel.org/stable/c/1dc6db047919ecd59493cd51248b37381bbabcbb"
        },
        {
          "url": "https://git.kernel.org/stable/c/898b89c90ff9496e64b9331040778cc4e1b28c9d"
        },
        {
          "url": "https://git.kernel.org/stable/c/b6552e0503973daf6f23bd6ed9273ef131ee364f"
        }
      ],
      "title": "Bluetooth: L2CAP: Fix null-ptr-deref on l2cap_sock_ready_cb",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-31510",
    "datePublished": "2026-04-22T13:54:28.712Z",
    "dateReserved": "2026-03-09T15:48:24.106Z",
    "dateUpdated": "2026-05-11T22:10:11.263Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2026-31510",
      "date": "2026-09-16",
      "epss": "0.00123",
      "percentile": "0.02335"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-31510\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2026-04-22T14:16:50.130\",\"lastModified\":\"2026-06-17T10:33:53.040\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nBluetooth: L2CAP: Fix null-ptr-deref on l2cap_sock_ready_cb\\n\\nBefore using sk pointer, check if it is null.\\n\\nFix the following:\\n\\n KASAN: null-ptr-deref in range [0x0000000000000260-0x0000000000000267]\\n CPU: 0 UID: 0 PID: 5985 Comm: kworker/0:5 Not tainted 7.0.0-rc4-00029-ga989fde763f4 #1 PREEMPT(full)\\n Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.17.0-9.fc43 06/10/2025\\n Workqueue: events l2cap_info_timeout\\n RIP: 0010:kasan_byte_accessible+0x12/0x30\\n Code: 79 ff ff ff 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1f 40 d6 48 c1 ef 03 48 b8 00 00 00 00 00 fc ff df \u003c0f\u003e b6 04 07 3c 08 0f 92 c0 c3 cc cce\\n veth0_macvtap: entered promiscuous mode\\n RSP: 0018:ffffc90006e0f808 EFLAGS: 00010202\\n RAX: dffffc0000000000 RBX: ffffffff89746018 RCX: 0000000080000001\\n RDX: 0000000000000000 RSI: ffffffff89746018 RDI: 000000000000004c\\n RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000\\n R10: dffffc0000000000 R11: ffffffff8aae3e70 R12: 0000000000000000\\n R13: 0000000000000260 R14: 0000000000000260 R15: 0000000000000001\\n FS:  0000000000000000(0000) GS:ffff8880983c2000(0000) knlGS:0000000000000000\\n CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\\n CR2: 00005582615a5008 CR3: 000000007007e000 CR4: 0000000000752ef0\\n PKRU: 55555554\\n Call Trace:\\n  \u003cTASK\u003e\\n  __kasan_check_byte+0x12/0x40\\n  lock_acquire+0x79/0x2e0\\n  lock_sock_nested+0x48/0x100\\n  ? l2cap_sock_ready_cb+0x46/0x160\\n  l2cap_sock_ready_cb+0x46/0x160\\n  l2cap_conn_start+0x779/0xff0\\n  ? __pfx_l2cap_conn_start+0x10/0x10\\n  ? l2cap_info_timeout+0x60/0xa0\\n  ? __pfx___mutex_lock+0x10/0x10\\n  l2cap_info_timeout+0x68/0xa0\\n  ? process_scheduled_works+0xa8d/0x18c0\\n  process_scheduled_works+0xb6e/0x18c0\\n  ? __pfx_process_scheduled_works+0x10/0x10\\n  ? assign_work+0x3d5/0x5e0\\n  worker_thread+0xa53/0xfc0\\n  kthread+0x388/0x470\\n  ? __pfx_worker_thread+0x10/0x10\\n  ? __pfx_kthread+0x10/0x10\\n  ret_from_fork+0x51e/0xb90\\n  ? __pfx_ret_from_fork+0x10/0x10\\n veth1_macvtap: entered promiscuous mode\\n  ? __switch_to+0xc7d/0x1450\\n  ? __pfx_kthread+0x10/0x10\\n  ret_from_fork_asm+0x1a/0x30\\n  \u003c/TASK\u003e\\n Modules linked in:\\n ---[ end trace 0000000000000000 ]---\\n batman_adv: batadv0: Interface activated: batadv_slave_0\\n batman_adv: batadv0: Interface activated: batadv_slave_1\\n netdevsim netdevsim7 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0\\n netdevsim netdevsim7 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0\\n netdevsim netdevsim7 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0\\n netdevsim netdevsim7 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0\\n RIP: 0010:kasan_byte_accessible+0x12/0x30\\n Code: 79 ff ff ff 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1f 40 d6 48 c1 ef 03 48 b8 00 00 00 00 00 fc ff df \u003c0f\u003e b6 04 07 3c 08 0f 92 c0 c3 cc cce\\n ieee80211 phy39: Selected rate control algorithm \u0027minstrel_ht\u0027\\n RSP: 0018:ffffc90006e0f808 EFLAGS: 00010202\\n RAX: dffffc0000000000 RBX: ffffffff89746018 RCX: 0000000080000001\\n RDX: 0000000000000000 RSI: ffffffff89746018 RDI: 000000000000004c\\n RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000\\n R10: dffffc0000000000 R11: ffffffff8aae3e70 R12: 0000000000000000\\n R13: 0000000000000260 R14: 0000000000000260 R15: 0000000000000001\\n FS:  0000000000000000(0000) GS:ffff8880983c2000(0000) knlGS:0000000000000000\\n CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\\n CR2: 00007f7e16139e9c CR3: 000000000e74e000 CR4: 0000000000752ef0\\n PKRU: 55555554\\n Kernel panic - not syncing: Fatal exception\"}],\"affected\":[{\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"affectedData\":[{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"unaffected\",\"programFiles\":[\"net/bluetooth/l2cap_sock.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"54a59aa2b562872781d6a8fc89f300d360941691\",\"lessThan\":\"d34776c7fa1f2c510f1cdd14823aba701babb4ad\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"54a59aa2b562872781d6a8fc89f300d360941691\",\"lessThan\":\"03d4eafb0f3788239df63575951f6b4c97bbfda4\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"54a59aa2b562872781d6a8fc89f300d360941691\",\"lessThan\":\"3c821bc0fbeaa27910a20d0b43c6008d099792af\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"54a59aa2b562872781d6a8fc89f300d360941691\",\"lessThan\":\"a04a760c06bb591989db659439efdf106f0bae76\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"54a59aa2b562872781d6a8fc89f300d360941691\",\"lessThan\":\"0780f9333852971ca77d110019e3a66ce5a7b100\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"54a59aa2b562872781d6a8fc89f300d360941691\",\"lessThan\":\"1dc6db047919ecd59493cd51248b37381bbabcbb\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"54a59aa2b562872781d6a8fc89f300d360941691\",\"lessThan\":\"898b89c90ff9496e64b9331040778cc4e1b28c9d\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"54a59aa2b562872781d6a8fc89f300d360941691\",\"lessThan\":\"b6552e0503973daf6f23bd6ed9273ef131ee364f\",\"versionType\":\"git\",\"status\":\"affected\"}]},{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"affected\",\"programFiles\":[\"net/bluetooth/l2cap_sock.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"3.6\",\"status\":\"affected\"},{\"version\":\"0\",\"lessThan\":\"3.6\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.10.253\",\"lessThanOrEqual\":\"5.10.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.15.203\",\"lessThanOrEqual\":\"5.15.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.1.168\",\"lessThanOrEqual\":\"6.1.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.6.131\",\"lessThanOrEqual\":\"6.6.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.12.80\",\"lessThanOrEqual\":\"6.12.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.18.21\",\"lessThanOrEqual\":\"6.18.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.19.11\",\"lessThanOrEqual\":\"6.19.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"7.0\",\"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}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-476\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"3.6.1\",\"versionEndExcluding\":\"5.10.253\",\"matchCriteriaId\":\"D5CD1815-AFF3-425B-8361-008DA362D428\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.11\",\"versionEndExcluding\":\"5.15.203\",\"matchCriteriaId\":\"20DDB3E9-AABF-4107-ADB0-5362AA067045\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.16\",\"versionEndExcluding\":\"6.1.168\",\"matchCriteriaId\":\"E2DDDCA1-6DAB-4018-B920-8F045DDD8D3B\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.2\",\"versionEndExcluding\":\"6.6.131\",\"matchCriteriaId\":\"CE6ED4D4-0046-4573-BFA9-D64143B6A89F\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.7\",\"versionEndExcluding\":\"6.12.80\",\"matchCriteriaId\":\"97EB19EC-A11E-49C6-9D2F-6F6EC6CB98B6\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.13\",\"versionEndExcluding\":\"6.18.21\",\"matchCriteriaId\":\"ED39847A-3B46-4729-B7CA-B2C30B9FA8FE\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.19\",\"versionEndExcluding\":\"6.19.11\",\"matchCriteriaId\":\"4CA2E747-A9EC-4518-9AA2-B4247FC748B7\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:3.6:-:*:*:*:*:*:*\",\"matchCriteriaId\":\"E7D72FF4-3906-4585-B39A-A9B194F53204\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:7.0:rc1:*:*:*:*:*:*\",\"matchCriteriaId\":\"F253B622-8837-4245-BCE5-A7BF8FC76A16\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:7.0:rc2:*:*:*:*:*:*\",\"matchCriteriaId\":\"4AE85AD8-4641-4E7C-A2F4-305E2CD9EE64\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:7.0:rc3:*:*:*:*:*:*\",\"matchCriteriaId\":\"F666C8D8-6538-46D4-B318-87610DE64C34\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:7.0:rc4:*:*:*:*:*:*\",\"matchCriteriaId\":\"02259FDA-961B-47BC-AE7F-93D7EC6E90C2\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:7.0:rc5:*:*:*:*:*:*\",\"matchCriteriaId\":\"58A9FEFF-C040-420D-8F0A-BFDAAA1DF258\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:7.0:rc6:*:*:*:*:*:*\",\"matchCriteriaId\":\"1D2315C0-D46F-4F85-9754-F9E5E11374A6\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:7.0:rc7:*:*:*:*:*:*\",\"matchCriteriaId\":\"512EE3A8-A590-4501-9A94-5D4B268D6138\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/03d4eafb0f3788239df63575951f6b4c97bbfda4\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/0780f9333852971ca77d110019e3a66ce5a7b100\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/1dc6db047919ecd59493cd51248b37381bbabcbb\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/3c821bc0fbeaa27910a20d0b43c6008d099792af\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/898b89c90ff9496e64b9331040778cc4e1b28c9d\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/a04a760c06bb591989db659439efdf106f0bae76\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/b6552e0503973daf6f23bd6ed9273ef131ee364f\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/d34776c7fa1f2c510f1cdd14823aba701babb4ad\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]}]}}",
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-06-28T06:27:47+00:00",
      "cve": "CVE-2026-31510",
      "id": "CVE-2026-31510",
      "initial_release_date": "2026-04-22T00:00:00+00:00",
      "product_status:known_affected": "260",
      "product_status:known_not_affected": "14",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: Bluetooth: L2CAP: Fix null-ptr-deref on l2cap_sock_ready_cb",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-31510.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-09-16T00:15:09Z",
      "cve": "CVE-2026-31510",
      "id": "CVE-2026-31510",
      "initial_release_date": "2026-04-23T01:25:10Z",
      "product_status:first_fixed": "2",
      "product_status:known_affected": "667",
      "product_status:known_not_affected": "26",
      "product_status:recommended": "273",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2026-31510",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2026-31510.json",
      "version": "10"
    }
  }
}



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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.


Detection rules are retrieved from Rulezet.


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.