{"id":"DEBIAN-CVE-2024-27060","details":"In the Linux kernel, the following vulnerability has been resolved:  thunderbolt: Fix NULL pointer dereference in tb_port_update_credits()  Olliver reported that his system crashes when plugging in Thunderbolt 1 device:   BUG: kernel NULL pointer dereference, address: 0000000000000020  #PF: supervisor read access in kernel mode  #PF: error_code(0x0000) - not-present page  PGD 0 P4D 0  Oops: 0000 [#1] PREEMPT SMP NOPTI  RIP: 0010:tb_port_do_update_credits+0x1b/0x130 [thunderbolt]  Call Trace:   \u003cTASK\u003e   ? __die+0x23/0x70   ? page_fault_oops+0x171/0x4e0   ? exc_page_fault+0x7f/0x180   ? asm_exc_page_fault+0x26/0x30   ? tb_port_do_update_credits+0x1b/0x130   ? tb_switch_update_link_attributes+0x83/0xd0   tb_switch_add+0x7a2/0xfe0   tb_scan_port+0x236/0x6f0   tb_handle_hotplug+0x6db/0x900   process_one_work+0x171/0x340   worker_thread+0x27b/0x3a0   ? __pfx_worker_thread+0x10/0x10   kthread+0xe5/0x120   ? __pfx_kthread+0x10/0x10   ret_from_fork+0x31/0x50   ? __pfx_kthread+0x10/0x10   ret_from_fork_asm+0x1b/0x30   \u003c/TASK\u003e  This is due the fact that some Thunderbolt 1 devices only have one lane adapter. Fix this by checking for the lane 1 before we read its credits.","modified":"2026-09-15T09:03:06.149099758Z","published":"2024-05-01T13:15:50.543Z","upstream":["CVE-2024-27060"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2024-27060"}],"affected":[{"package":{"name":"linux","ecosystem":"Debian:13","purl":"pkg:deb/debian/linux?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.7.12-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2024-27060.json"}},{"package":{"name":"linux","ecosystem":"Debian:14","purl":"pkg:deb/debian/linux?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.7.12-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2024-27060.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}