{"id":"DEBIAN-CVE-2022-49960","details":"In the Linux kernel, the following vulnerability has been resolved:  drm/i915: fix null pointer dereference  Asus chromebook CX550 crashes during boot on v5.17-rc1 kernel. The root cause is null pointer defeference of bi_next in tgl_get_bw_info() in drivers/gpu/drm/i915/display/intel_bw.c.  BUG: kernel NULL pointer dereference, address: 000000000000002e PGD 0 P4D 0 Oops: 0002 [#1] PREEMPT SMP NOPTI CPU: 0 PID: 1 Comm: swapper/0 Tainted: G     U            5.17.0-rc1 Hardware name: Google Delbin/Delbin, BIOS Google_Delbin.13672.156.3 05/14/2021 RIP: 0010:tgl_get_bw_info+0x2de/0x510 ... [    2.554467] Call Trace: [    2.554467]  \u003cTASK\u003e [    2.554467]  intel_bw_init_hw+0x14a/0x434 [    2.554467]  ? _printk+0x59/0x73 [    2.554467]  ? _dev_err+0x77/0x91 [    2.554467]  i915_driver_hw_probe+0x329/0x33e [    2.554467]  i915_driver_probe+0x4c8/0x638 [    2.554467]  i915_pci_probe+0xf8/0x14e [    2.554467]  ? _raw_spin_unlock_irqrestore+0x12/0x2c [    2.554467]  pci_device_probe+0xaa/0x142 [    2.554467]  really_probe+0x13f/0x2f4 [    2.554467]  __driver_probe_device+0x9e/0xd3 [    2.554467]  driver_probe_device+0x24/0x7c [    2.554467]  __driver_attach+0xba/0xcf [    2.554467]  ? driver_attach+0x1f/0x1f [    2.554467]  bus_for_each_dev+0x8c/0xc0 [    2.554467]  bus_add_driver+0x11b/0x1f7 [    2.554467]  driver_register+0x60/0xea [    2.554467]  ? mipi_dsi_bus_init+0x16/0x16 [    2.554467]  i915_init+0x2c/0xb9 [    2.554467]  ? mipi_dsi_bus_init+0x16/0x16 [    2.554467]  do_one_initcall+0x12e/0x2b3 [    2.554467]  do_initcall_level+0xd6/0xf3 [    2.554467]  do_initcalls+0x4e/0x79 [    2.554467]  kernel_init_freeable+0xed/0x14d [    2.554467]  ? rest_init+0xc1/0xc1 [    2.554467]  kernel_init+0x1a/0x120 [    2.554467]  ret_from_fork+0x1f/0x30 [    2.554467]  \u003c/TASK\u003e ... Kernel panic - not syncing: Fatal exception  (cherry picked from commit c247cd03898c4c43c3bce6d4014730403bc13032)","modified":"2026-08-27T23:04:47.185114642Z","published":"2025-06-18T11:15:23.237Z","upstream":["CVE-2022-49960"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2022-49960"}],"affected":[{"package":{"name":"linux","ecosystem":"Debian:12","purl":"pkg:deb/debian/linux?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.0.2-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2022-49960.json"}},{"package":{"name":"linux","ecosystem":"Debian:13","purl":"pkg:deb/debian/linux?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.0.2-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2022-49960.json"}},{"package":{"name":"linux","ecosystem":"Debian:14","purl":"pkg:deb/debian/linux?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.0.2-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2022-49960.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"}]}