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DEBIAN-CVE-2026-46278

MediumCVSS 5.5 / 10
Published Jun 8, 2026·Last modified Jul 9, 2026
Affected Components(0)

No affected components available

Description

In the Linux kernel, the following vulnerability has been resolved: drm/imagination: Fix segfault when updating ftrace mask Fix invalid data access by passing right data for debugfs entry. [ 171.549793] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000 [ 171.559248] Mem abort info: [ 171.562173] ESR = 0x0000000096000044 [ 171.566227] EC = 0x25: DABT (current EL), IL = 32 bits [ 171.573108] SET = 0, FnV = 0 [ 171.576448] EA = 0, S1PTW = 0 [ 171.579745] FSC = 0x04: level 0 translation fault [ 171.584760] Data abort info: [ 171.588012] ISV = 0, ISS = 0x00000044, ISS2 = 0x00000000 [ 171.593734] CM = 0, WnR = 1, TnD = 0, TagAccess = 0 [ 171.598962] GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0 [ 171.604471] user pgtable: 4k pages, 48-bit VAs, pgdp=0000000083837000 [ 171.611358] [0000000000000000] pgd=0000000000000000, p4d=0000000000000000 [ 171.618500] Internal error: Oops: 0000000096000044 [#1] SMP [ 171.624222] Modules linked in: powervr drm_shmem_helper drm_gpuvm... [ 171.656580] CPU: 0 UID: 0 PID: 549 Comm: bash Not tainted 7.0.0-rc2-g730b257ba723-dirty #13 PREEMPT [ 171.665773] Hardware name: BeagleBoard.org BeaglePlay (DT) [ 171.671296] pstate: 20000005 (nzCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 171.678306] pc : pvr_fw_trace_mask_set+0x78/0x154 [powervr] [ 171.683959] lr : pvr_fw_trace_mask_set+0x4c/0x154 [powervr] [ 171.689593] sp : ffff8000835ebb90 [ 171.692929] x29: ffff8000835ebc00 x28: ffff000005c60f80 x27: 0000000000000000 [ 171.700130] x26: 0000000000000000 x25: ffff00000504af28 x24: 0000000000000000 [ 171.707324] x23: ffff00000504af50 x22: 0000000000000203 x21: 0000000000000000 [ 171.714518] x20: ffff000005c44a80 x19: ffff000005c457b8 x18: 0000000000000000 [ 171.721715] x17: 0000000000000000 x16: 0000000000000000 x15: 0000aaaae8887580 [ 171.728908] x14: 0000000000000000 x13: 0000000000000000 x12: ffff8000835ebc30 [ 171.736095] x11: ffff00000504af2a x10: ffff00008504af29 x9 : 0fffffffffffffff [ 171.743286] x8 : ffff8000835ebbf8 x7 : 0000000000000000 x6 : 000000000000002a [ 171.750479] x5 : ffff00000504af2e x4 : 0000000000000000 x3 : 0000000000000010 [ 171.757674] x2 : 0000000000000203 x1 : 0000000000000000 x0 : ffff8000835ebba0 [ 171.764871] Call trace: [ 171.767342] pvr_fw_trace_mask_set+0x78/0x154 [powervr] (P) [ 171.772984] simple_attr_write_xsigned.isra.0+0xe0/0x19c [ 171.778341] simple_attr_write+0x18/0x24 [ 171.782296] debugfs_attr_write+0x50/0x98 [ 171.786341] full_proxy_write+0x6c/0xa8 [ 171.790208] vfs_write+0xd4/0x350 [ 171.793561] ksys_write+0x70/0x108 [ 171.796995] __arm64_sys_write+0x1c/0x28 [ 171.800952] invoke_syscall+0x48/0x10c [ 171.804740] el0_svc_common.constprop.0+0x40/0xe0 [ 171.809487] do_el0_svc+0x1c/0x28 [ 171.812834] el0_svc+0x34/0x108 [ 171.816013] el0t_64_sync_handler+0xa0/0xe4 [ 171.820237] el0t_64_sync+0x198/0x19c [ 171.823939] Code: 32000262 b90ac293 1a931056 9134e293 (b9000036) [ 171.830073] ---[ end trace 0000000000000000 ]---

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-2026-46278
    Upstream
  • EUVD-2026-35143
    Upstream

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