misc: fastrpc: Fix double free of 'buf' in error path (Linux Linux)

CVE-2024-46741
HIGH 7.8

En bref

Source
NVD
EPSS
EPSS 0.24 % · centile 16 ()
État
PUBLISHED
Publiée
Mise à jour
Attribuée par
Linux
Statut NVD
Modified

Description

In the Linux kernel, the following vulnerability has been resolved: misc: fastrpc: Fix double free of 'buf' in error path smatch warning: drivers/misc/fastrpc.c:1926 fastrpc_req_mmap() error: double free of 'buf' In fastrpc_req_mmap() error path, the fastrpc buffer is freed in fastrpc_req_munmap_impl() if unmap is successful. But in the end, there is an unconditional call to fastrpc_buf_free(). So the above case triggers the double free of fastrpc buf.

Faiblesses (CWE)

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)
CVSS 3.1HIGH 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HNVD · nvd@nist.gov (Primary)

Références européennes

Avis du CERT-FR

Configurations affectées (CPE NVD)

Produits affectés

ProduitVersions
Linux · Linuxaffected 13327ed95222e70fa98805382b65636b872d87cb < 4753cc37b6606ef9a7ec22861d380d45e2707f9a ; affected 72fa6f7820c4cf96c5f7aabc4e54bdf52d1e2ac2 < f77dc8a75859e559f3238a6d906206259227985e ; affected 72fa6f7820c4cf96c5f7aabc4e54bdf52d1e2ac2 < bfc1704d909dc9911a558b1a5833d3d61a43a1f2 ; affected 72fa6f7820c4cf96c5f7aabc4e54bdf52d1e2ac2 < e8c276d4dc0e19ee48385f74426aebc855b49aaf ; affected 911737ad0c860251f640a05feb75f9dc7e41f0d7 ; affected b10e064ca0f708c4b4401ac5eab0f76cf7cec93d
Linux · Linuxaffected 6.2 ; unaffected 0 < 6.2 ; unaffected 6.6.51 ≤ 6.6.* ; unaffected 6.10.10 ≤ 6.10.* ; unaffected 6.11 ≤ *

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