CVE-2022-48861

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Source
https://cve.org/CVERecord?id=CVE-2022-48861
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2022-48861.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2022-48861
Downstream
Related
Published
2024-07-16T12:25:25.160Z
Modified
2026-03-13T06:48:20.920181Z
Summary
vdpa: fix use-after-free on vp_vdpa_remove
Details

In the Linux kernel, the following vulnerability has been resolved:

vdpa: fix use-after-free on vpvdparemove

When vpvdpa driver is unbind, vpvdpa is freed in vdpaunregisterdevice and then vpvdpa->mdev.pcidev is dereferenced in vpmodernremove, triggering use-after-free.

Call Trace of unbinding driver free vpvdpa : dosyscall64 vfswrite kernfsfopwriteiter devicereleasedriverinternal pcideviceremove vpvdparemove vdpaunregisterdevice kobjectrelease devicerelease kfree

Call Trace of dereference vpvdpa->mdev.pcidev: vpmodernremove pcireleaseselectedregions pcireleaseregion pciresourcelen pciresource_end (dev)->resource[(bar)].end

Database specific 
{
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/48xxx/CVE-2022-48861.json",
    "cna_assigner": "Linux"
}
References

Affected packages

Git / git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

Affected ranges

Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
64b9f64f80a6f4b7ea51bf0510119cb15e801dc6
Fixed
4b1743bc715a3691a63ac21b349079b07bf1b19e
Fixed
dc54ba9932aeaaa1a21fe214af1f446593a78274
Fixed
eb057b44dbe35ae14527830236a92f51de8f9184

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2022-48861.json"