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DEBIAN-CVE-2022-49960

MediumCVSS 5.5 / 10
Published Jun 18, 2025·Last modified Jun 15, 2026
Affected Components(0)

No affected components available

Description

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] <TASK> [ 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] </TASK> ... Kernel panic - not syncing: Fatal exception (cherry picked from commit c247cd03898c4c43c3bce6d4014730403bc13032)

Risk Scores
Base Score
5.5

The vulnerability requires local access to the device to be exploited. It is easy for an attacker to exploit this vulnerability. An attacker needs basic access or low-level privileges. No user interaction is needed for the attacker to exploit this vulnerability. The impact is confined to the system where the vulnerability exists. There is a high impact on the availability of the system.

Threat Intelligence
5.1

Exploitation attempts have been detected. Elevated vigilance and prompt remediation are advised.

EPSS
N/A

Probability that this vulnerability will be exploited in the wild within the next 30 days.

Exploit
Not available

We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.

Related Vulnerabilities
  • CVE-2022-49960
    Upstream
  • EUVD-2022-55242
    Upstream

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Medium severity
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