CVE-2026-46278

/// Technical 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 lin

/// Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

/// References