{"dataType":"CVE_RECORD","cveMetadata":{"cveId":"CVE-2024-36009","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2024-05-17T13:50:33.152Z","datePublished":"2024-05-20T09:48:08.238Z","dateUpdated":"2025-05-04T12:56:13.855Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2025-05-04T12:56:13.855Z"},"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"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2024-06-13T20:06:19.404612Z","id":"CVE-2024-36009","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2024-06-13T20:06:29.490Z"}},{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-02T03:30:12.796Z"},"title":"CVE Program Container","references":[{"url":"https://git.kernel.org/stable/c/0d14f104027e30720582448706c7d6b43065c851","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/4fee8fa86a15d7790268eea458b1aec69c695530","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/c42b073d9af4a5329b25b17390c63ab3847f30e8","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/467324bcfe1a31ec65d0cf4aa59421d6b7a7d52b","tags":["x_transferred"]},{"url":"http://www.openwall.com/lists/oss-security/2024/05/30/2","tags":["x_transferred"]},{"url":"http://www.openwall.com/lists/oss-security/2024/05/30/1","tags":["x_transferred"]}]}]},"dataVersion":"5.1"}