| { |
| "containers": { |
| "cna": { |
| "providerMetadata": { |
| "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038" |
| }, |
| "descriptions": [ |
| { |
| "lang": "en", |
| "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nax25: Fix netdev refcount issue\n\nThe dev_tracker is added to ax25_cb in ax25_bind(). When the\nax25 device is detaching, the dev_tracker of ax25_cb should be\ndeallocated in ax25_kill_by_device() instead of the dev_tracker\nof ax25_dev. The log reported by ref_tracker is shown below:\n\n[ 80.884935] ref_tracker: reference already released.\n[ 80.885150] ref_tracker: allocated in:\n[ 80.885349] ax25_dev_device_up+0x105/0x540\n[ 80.885730] ax25_device_event+0xa4/0x420\n[ 80.885730] notifier_call_chain+0xc9/0x1e0\n[ 80.885730] __dev_notify_flags+0x138/0x280\n[ 80.885730] dev_change_flags+0xd7/0x180\n[ 80.885730] dev_ifsioc+0x6a9/0xa30\n[ 80.885730] dev_ioctl+0x4d8/0xd90\n[ 80.885730] sock_do_ioctl+0x1c2/0x2d0\n[ 80.885730] sock_ioctl+0x38b/0x4f0\n[ 80.885730] __se_sys_ioctl+0xad/0xf0\n[ 80.885730] do_syscall_64+0xc4/0x1b0\n[ 80.885730] entry_SYSCALL_64_after_hwframe+0x67/0x6f\n[ 80.885730] ref_tracker: freed in:\n[ 80.885730] ax25_device_event+0x272/0x420\n[ 80.885730] notifier_call_chain+0xc9/0x1e0\n[ 80.885730] dev_close_many+0x272/0x370\n[ 80.885730] unregister_netdevice_many_notify+0x3b5/0x1180\n[ 80.885730] unregister_netdev+0xcf/0x120\n[ 80.885730] sixpack_close+0x11f/0x1b0\n[ 80.885730] tty_ldisc_kill+0xcb/0x190\n[ 80.885730] tty_ldisc_hangup+0x338/0x3d0\n[ 80.885730] __tty_hangup+0x504/0x740\n[ 80.885730] tty_release+0x46e/0xd80\n[ 80.885730] __fput+0x37f/0x770\n[ 80.885730] __x64_sys_close+0x7b/0xb0\n[ 80.885730] do_syscall_64+0xc4/0x1b0\n[ 80.885730] entry_SYSCALL_64_after_hwframe+0x67/0x6f\n[ 80.893739] ------------[ cut here ]------------\n[ 80.894030] WARNING: CPU: 2 PID: 140 at lib/ref_tracker.c:255 ref_tracker_free+0x47b/0x6b0\n[ 80.894297] Modules linked in:\n[ 80.894929] CPU: 2 PID: 140 Comm: ax25_conn_rel_6 Not tainted 6.9.0-rc4-g8cd26fd90c1a #11\n[ 80.895190] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qem4\n[ 80.895514] RIP: 0010:ref_tracker_free+0x47b/0x6b0\n[ 80.895808] Code: 83 c5 18 4c 89 eb 48 c1 eb 03 8a 04 13 84 c0 0f 85 df 01 00 00 41 83 7d 00 00 75 4b 4c 89 ff 9\n[ 80.896171] RSP: 0018:ffff888009edf8c0 EFLAGS: 00000286\n[ 80.896339] RAX: 1ffff1100141ac00 RBX: 1ffff1100149463b RCX: dffffc0000000000\n[ 80.896502] RDX: 0000000000000001 RSI: 0000000000000246 RDI: ffff88800a0d6518\n[ 80.896925] RBP: ffff888009edf9b0 R08: ffff88806d3288d3 R09: 1ffff1100da6511a\n[ 80.897212] R10: dffffc0000000000 R11: ffffed100da6511b R12: ffff88800a4a31d4\n[ 80.897859] R13: ffff88800a4a31d8 R14: dffffc0000000000 R15: ffff88800a0d6518\n[ 80.898279] FS: 00007fd88b7fe700(0000) GS:ffff88806d300000(0000) knlGS:0000000000000000\n[ 80.899436] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n[ 80.900181] CR2: 00007fd88c001d48 CR3: 000000000993e000 CR4: 00000000000006f0\n...\n[ 80.935774] ref_tracker: sp%d@000000000bb9df3d has 1/1 users at\n[ 80.935774] ax25_bind+0x424/0x4e0\n[ 80.935774] __sys_bind+0x1d9/0x270\n[ 80.935774] __x64_sys_bind+0x75/0x80\n[ 80.935774] do_syscall_64+0xc4/0x1b0\n[ 80.935774] entry_SYSCALL_64_after_hwframe+0x67/0x6f\n\nChange ax25_dev->dev_tracker to the dev_tracker of ax25_cb\nin order to mitigate the bug." |
| } |
| ], |
| "affected": [ |
| { |
| "product": "Linux", |
| "vendor": "Linux", |
| "defaultStatus": "unaffected", |
| "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", |
| "programFiles": [ |
| "net/ax25/af_ax25.c" |
| ], |
| "versions": [ |
| { |
| "version": "feef318c855a361a1eccd880f33e88c460eb63b4", |
| "lessThan": "0d14f104027e30720582448706c7d6b43065c851", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "feef318c855a361a1eccd880f33e88c460eb63b4", |
| "lessThan": "4fee8fa86a15d7790268eea458b1aec69c695530", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "feef318c855a361a1eccd880f33e88c460eb63b4", |
| "lessThan": "c42b073d9af4a5329b25b17390c63ab3847f30e8", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "feef318c855a361a1eccd880f33e88c460eb63b4", |
| "lessThan": "467324bcfe1a31ec65d0cf4aa59421d6b7a7d52b", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "b8c07f33aa35dacf5444e7053ed9662d1869f536", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "b1e0a6fc7f17500484c402ad1cd018c24dfc14b3", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "7528d0f2210c3a1154186175516ed37aa970f2b1", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "57cc15f5fd550316e4104eaf84b90fbc640fd7a5", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "b982492ec3a115e0a136856a1b2dbe32f2d21a0e", |
| "status": "affected", |
| "versionType": "git" |
| } |
| ] |
| }, |
| { |
| "product": "Linux", |
| "vendor": "Linux", |
| "defaultStatus": "affected", |
| "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", |
| "programFiles": [ |
| "net/ax25/af_ax25.c" |
| ], |
| "versions": [ |
| { |
| "version": "5.17", |
| "status": "affected" |
| }, |
| { |
| "version": "0", |
| "lessThan": "5.17", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.1.90", |
| "lessThanOrEqual": "6.1.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.6.30", |
| "lessThanOrEqual": "6.6.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.8.9", |
| "lessThanOrEqual": "6.8.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.9", |
| "lessThanOrEqual": "*", |
| "status": "unaffected", |
| "versionType": "original_commit_for_fix" |
| } |
| ] |
| } |
| ], |
| "cpeApplicability": [ |
| { |
| "nodes": [ |
| { |
| "operator": "OR", |
| "negate": false, |
| "cpeMatch": [ |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "5.17", |
| "versionEndExcluding": "6.1.90" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "5.17", |
| "versionEndExcluding": "6.6.30" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "5.17", |
| "versionEndExcluding": "6.8.9" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "5.17", |
| "versionEndExcluding": "6.9" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "4.14.277" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "4.19.240" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "5.4.190" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "5.10.112" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "5.15.35" |
| } |
| ] |
| } |
| ] |
| } |
| ], |
| "references": [ |
| { |
| "url": "https://git.kernel.org/stable/c/0d14f104027e30720582448706c7d6b43065c851" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/4fee8fa86a15d7790268eea458b1aec69c695530" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/c42b073d9af4a5329b25b17390c63ab3847f30e8" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/467324bcfe1a31ec65d0cf4aa59421d6b7a7d52b" |
| } |
| ], |
| "title": "ax25: Fix netdev refcount issue", |
| "x_generator": { |
| "engine": "bippy-1.2.0" |
| } |
| } |
| }, |
| "cveMetadata": { |
| "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038", |
| "cveID": "CVE-2024-36009", |
| "requesterUserId": "gregkh@kernel.org", |
| "serial": "1", |
| "state": "PUBLISHED" |
| }, |
| "dataType": "CVE_RECORD", |
| "dataVersion": "5.0" |
| } |
