NULL Pointer Dereference Affecting cluster-md-kmp-default package, versions <5.14.21-150500.55.100.1


Severity

Recommended
0.0
medium
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.02% (4th percentile)

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  • Snyk IDSNYK-SLES155-CLUSTERMDKMPDEFAULT-9700487
  • published15 Apr 2025
  • disclosed14 Apr 2025

Introduced: 14 Apr 2025

NewCVE-2022-49483  (opens in a new tab)
CWE-476  (opens in a new tab)

How to fix?

Upgrade SLES:15.5 cluster-md-kmp-default to version 5.14.21-150500.55.100.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream cluster-md-kmp-default package and not the cluster-md-kmp-default package as distributed by SLES. See How to fix? for SLES:15.5 relevant fixed versions and status.

In the Linux kernel, the following vulnerability has been resolved:

drm/msm/disp/dpu1: avoid clearing hw interrupts if hw_intr is null during drm uninit

If edp modeset init is failed due to panel being not ready and probe defers during drm bind, avoid clearing irqs and dereference hw_intr when hw_intr is null.

BUG: Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000

Call trace: dpu_core_irq_uninstall+0x50/0xb0 dpu_irq_uninstall+0x18/0x24 msm_drm_uninit+0xd8/0x16c msm_drm_bind+0x580/0x5fc try_to_bring_up_master+0x168/0x1c0 __component_add+0xb4/0x178 component_add+0x1c/0x28 dp_display_probe+0x38c/0x400 platform_probe+0xb0/0xd0 really_probe+0xcc/0x2c8 __driver_probe_device+0xbc/0xe8 driver_probe_device+0x48/0xf0 __device_attach_driver+0xa0/0xc8 bus_for_each_drv+0x8c/0xd8 __device_attach+0xc4/0x150 device_initial_probe+0x1c/0x28

Changes in V2:

  • Update commit message and coreect fixes tag.

Patchwork: https://patchwork.freedesktop.org/patch/484430/

CVSS Base Scores

version 3.1