NULL Pointer Dereference Affecting kernel-obs-build package, versions <5.14.21-150500.55.100.1
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Start learning- Snyk IDSNYK-SLES155-KERNELOBSBUILD-9701254
- published15 Apr 2025
- disclosed14 Apr 2025
Introduced: 14 Apr 2025
NewCVE-2022-49529 (opens in a new tab)How to fix?
Upgrade SLES:15.5 kernel-obs-build to version 5.14.21-150500.55.100.1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-obs-build package and not the kernel-obs-build 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/amdgpu/pm: fix the null pointer while the smu is disabled
It needs to check if the pp_funcs is initialized while release the context, otherwise it will trigger null pointer panic while the software smu is not enabled.
[ 1109.404555] BUG: kernel NULL pointer dereference, address: 0000000000000078 [ 1109.404609] #PF: supervisor read access in kernel mode [ 1109.404638] #PF: error_code(0x0000) - not-present page [ 1109.404657] PGD 0 P4D 0 [ 1109.404672] Oops: 0000 [#1] PREEMPT SMP NOPTI [ 1109.404701] CPU: 7 PID: 9150 Comm: amdgpu_test Tainted: G OEL 5.16.0-custom #1 [ 1109.404732] Hardware name: innotek GmbH VirtualBox/VirtualBox, BIOS VirtualBox 12/01/2006 [ 1109.404765] RIP: 0010:amdgpu_dpm_force_performance_level+0x1d/0x170 [amdgpu] [ 1109.405109] Code: 5d c3 44 8b a3 f0 80 00 00 eb e5 66 90 0f 1f 44 00 00 55 48 89 e5 41 57 41 56 41 55 41 54 53 48 83 ec 08 4c 8b b7 f0 7d 00 00 <49> 83 7e 78 00 0f 84 f2 00 00 00 80 bf 87 80 00 00 00 48 89 fb 0f [ 1109.405176] RSP: 0018:ffffaf3083ad7c20 EFLAGS: 00010282 [ 1109.405203] RAX: 0000000000000000 RBX: ffff9796b1c14600 RCX: 0000000002862007 [ 1109.405229] RDX: ffff97968591c8c0 RSI: 0000000000000001 RDI: ffff9796a3700000 [ 1109.405260] RBP: ffffaf3083ad7c50 R08: ffffffff9897de00 R09: ffff979688d9db60 [ 1109.405286] R10: 0000000000000000 R11: ffff979688d9db90 R12: 0000000000000001 [ 1109.405316] R13: ffff9796a3700000 R14: 0000000000000000 R15: ffff9796a3708fc0 [ 1109.405345] FS: 00007ff055cff180(0000) GS:ffff9796bfdc0000(0000) knlGS:0000000000000000 [ 1109.405378] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1109.405400] CR2: 0000000000000078 CR3: 000000000a394000 CR4: 00000000000506e0 [ 1109.405434] Call Trace: [ 1109.405445] <TASK> [ 1109.405456] ? delete_object_full+0x1d/0x20 [ 1109.405480] amdgpu_ctx_set_stable_pstate+0x7c/0xa0 [amdgpu] [ 1109.405698] amdgpu_ctx_fini.part.0+0xcb/0x100 [amdgpu] [ 1109.405911] amdgpu_ctx_do_release+0x71/0x80 [amdgpu] [ 1109.406121] amdgpu_ctx_ioctl+0x52d/0x550 [amdgpu] [ 1109.406327] ? _raw_spin_unlock+0x1a/0x30 [ 1109.406354] ? drm_gem_handle_delete+0x81/0xb0 [drm] [ 1109.406400] ? amdgpu_ctx_get_entity+0x2c0/0x2c0 [amdgpu] [ 1109.406609] drm_ioctl_kernel+0xb6/0x140 [drm]