usb: mtu3: fix list_head check warning (Linux Linux)

CVE-2021-46930
MEDIUM 5.5

En bref

Source
NVD
EPSS
EPSS 0.22 % · centile 12 ()
État
PUBLISHED
Publiée
Mise à jour
Attribuée par
Linux
Statut NVD
Modified

Description

In the Linux kernel, the following vulnerability has been resolved: usb: mtu3: fix list_head check warning This is caused by uninitialization of list_head. BUG: KASAN: use-after-free in __list_del_entry_valid+0x34/0xe4 Call trace: dump_backtrace+0x0/0x298 show_stack+0x24/0x34 dump_stack+0x130/0x1a8 print_address_description+0x88/0x56c __kasan_report+0x1b8/0x2a0 kasan_report+0x14/0x20 __asan_load8+0x9c/0xa0 __list_del_entry_valid+0x34/0xe4 mtu3_req_complete+0x4c/0x300 [mtu3] mtu3_gadget_stop+0x168/0x448 [mtu3] usb_gadget_unregister_driver+0x204/0x3a0 unregister_gadget_item+0x44/0xa4

Faiblesses (CWE)

  • CWE-416 — Utilisation après libération

Références

Scores

VersionScoreVecteurÉvalué par
CVSS 3.1MEDIUM 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HNVD · nvd@nist.gov (Primary)

Références européennes

Avis du CERT-FR

Configurations affectées (CPE NVD)

Produits affectés

ProduitVersions
Linux · Linuxaffected 83374e035b6286731c5aa617844c7b724294c2a7 < 585e2b244dda7ea733274e4b8fa27853d625d3bf ; affected 83374e035b6286731c5aa617844c7b724294c2a7 < 3b6efe0b7ba03cc2acf0694b46d6ff33c5b4c295 ; affected 83374e035b6286731c5aa617844c7b724294c2a7 < 249ddfbe00570d6dc76208e88017937d4d374c79 ; affected 83374e035b6286731c5aa617844c7b724294c2a7 < 8c313e3bfd9adae8d5c4ba1cc696dcbc86fbf9bf
Linux · Linuxaffected 5.2 ; unaffected 0 < 5.2 ; unaffected 5.4.170 ≤ 5.4.* ; unaffected 5.10.90 ≤ 5.10.* ; unaffected 5.15.13 ≤ 5.15.* ; unaffected 5.16 ≤ *

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