vdpa/vp_vdpa: fix kfree a wrong pointer in vp_vdpa_remove (Linux Linux)

CVE-2022-50873
Non disponible

En bref

Source
NVD
EPSS
EPSS 0.20 % · centile 9 ()
État
PUBLISHED
Publiée
Mise à jour
Attribuée par
Linux
Statut NVD
Deferred

Description

In the Linux kernel, the following vulnerability has been resolved: vdpa/vp_vdpa: fix kfree a wrong pointer in vp_vdpa_remove In vp_vdpa_remove(), the code kfree(&vp_vdpa_mgtdev->mgtdev.id_table) uses a reference of pointer as the argument of kfree, which is the wrong pointer and then may hit crash like this: Unable to handle kernel paging request at virtual address 00ffff003363e30c Internal error: Oops: 96000004 [#1] SMP Call trace: rb_next+0x20/0x5c ext4_readdir+0x494/0x5c4 [ext4] iterate_dir+0x168/0x1b4 __se_sys_getdents64+0x68/0x170 __arm64_sys_getdents64+0x24/0x30 el0_svc_common.constprop.0+0x7c/0x1bc do_el0_svc+0x2c/0x94 el0_svc+0x20/0x30 el0_sync_handler+0xb0/0xb4 el0_sync+0x160/0x180 Code: 54000220 f9400441 b4000161 aa0103e0 (f9400821) SMP: stopping secondary CPUs Starting crashdump kernel...

Références

Références européennes

Avis du CERT-FR

Produits affectés

ProduitVersions
Linux · Linuxaffected ffbda8e9df10d1784d5427ec199e7d8308e3763f < 8fe12680b2c731201519935013ec9219c93ec540 ; affected ffbda8e9df10d1784d5427ec199e7d8308e3763f < 6ccc891f36d0c20ee220551caabdcd3886ec584b ; affected ffbda8e9df10d1784d5427ec199e7d8308e3763f < ed843d6ed7310a27cf7c8ee0a82a482eed0cb4a6
Linux · Linuxaffected 5.19 ; unaffected 0 < 5.19 ; unaffected 6.0.19 ≤ 6.0.* ; unaffected 6.1.5 ≤ 6.1.* ; unaffected 6.2 ≤ *

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