CVE-2023-52639
Published: Apr 3, 2024
Modified: May 11, 2026
Description
In the Linux kernel, the following vulnerability has been resolved: KVM: s390: vsie: fix race during shadow creation Right now it is possible to see gmap->private being zero in kvm_s390_vsie_gmap_notifier resulting in a crash. This is due to the fact that we add gmap->private == kvm after creation: static int acquire_gmap_shadow(struct kvm_vcpu *vcpu, struct vsie_page *vsie_page) { [...] gmap = gmap_shadow(vcpu->arch.gmap, asce, edat); if (IS_ERR(gmap)) return PTR_ERR(gmap); gmap->private = vcpu->kvm; Let children inherit the private field of the parent.
| Vendor | Product | Versions |
|---|---|---|
Linux | Linux | affected a3508fbe9dc6dd3bece0c7bf889cc085a011738c - < 5df3b81a567eb565029563f26f374ae3803a1dfcaffected a3508fbe9dc6dd3bece0c7bf889cc085a011738c - < f5572c0323cf8b4f1f0618178648a25b8fb8a380affected a3508fbe9dc6dd3bece0c7bf889cc085a011738c - < 28bb27824f25f36e5f80229a358d66ee09244082affected a3508fbe9dc6dd3bece0c7bf889cc085a011738c - < fe752331d4b361d43cfd0b89534b4b2176057c32 |
Linux | Linux | affected 4.8unaffected 0 - < 4.8unaffected 6.1.82 - <= 6.1.*unaffected 6.6.22 - <= 6.6.*unaffected 6.7.6 - <= 6.7.*+1 more versions |
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