ASoC: SOF: ipc3-control: Fix TOCTOU in bytes_put and bytes_get (Linux Linux)

CVE-2026-72301
HIGH 7.8

En bref

Source
NVD
EPSS
EPSS 0.17 % · centile 6 ()
État
PUBLISHED
Publiée
Mise à jour
Attribuée par
Linux
Statut NVD
Received

Description

In the Linux kernel, the following vulnerability has been resolved: ASoC: SOF: ipc3-control: Fix TOCTOU in bytes_put and bytes_get In sof_ipc3_bytes_put(), the size used for the memcpy is derived from the old data->size already in the buffer, not the incoming new data's size field. If the new data has a different size, the copy length is wrong: it may truncate valid data or copy stale bytes. Similarly, sof_ipc3_bytes_get() checks data->size against max_size without accounting for the sizeof(struct sof_ipc_ctrl_data) offset of the flex array within the allocation. Fix bytes_put to validate and use the incoming data's sof_abi_hdr.size from ucontrol before copying. Fix bytes_get to subtract sizeof(*cdata) from the bounds check to match the actual available space.

Références

Scores

VersionScoreVecteurÉvalué par
CVSS 3.1HIGH 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HLinux
CVSS 3.1HIGH 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HNVD · 416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Secondary)

Références européennes

Avis du CERT-FR

Produits affectés

ProduitVersions
Linux · Linuxaffected 544ac8858f249950b4d99c68e538cdc07300528f < 8bd715a9d882fe1993bb2aec5eff89fffa946592 ; affected 544ac8858f249950b4d99c68e538cdc07300528f < 0dce240145f47545d2e4b18c6d58033b83e1fd0e ; affected 544ac8858f249950b4d99c68e538cdc07300528f < ed4f758f34be4c32e02933ac4fa044589d9c1c16 ; affected 544ac8858f249950b4d99c68e538cdc07300528f < 0c4fbdaca225b97122b61b68c5353caa33a253c3 ; affected 544ac8858f249950b4d99c68e538cdc07300528f < 92f90917413bdd6078fefff6f6c83a07bf870b04 ; affected 544ac8858f249950b4d99c68e538cdc07300528f < 1f97760417b5faa60e9642fd0ed61eb17d0b1b39
Linux · Linuxaffected 5.18 ; unaffected 0 < 5.18 ; unaffected 6.1.178 ≤ 6.1.* ; unaffected 6.6.145 ≤ 6.6.* ; unaffected 6.12.97 ≤ 6.12.* ; unaffected 6.18.40 ≤ 6.18.*

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD