CVE-2026-52968
In the Linux kernel, the following vulnerability has been resolved: KVM: s390: pci: fix GAIT table indexing due to double-scaling pointer arithmetic kvm_s390_pci_aif_enable(), kvm_s390_pci_aif_disable(), and aen_host_forward() index the GAIT by manually multiplying the index with sizeof(struct zpci_gaite). Since aift->gait is already a struct zpci_gaite pointer, this double-scales the offset, accessing element aisb*16 instead of aisb. This causes out-of-bounds accesses when aisb >= 32 (with ZPCI_NR_DEVICES=512) Fix by removing the erroneous sizeof multiplication.
Schwachstellenklasse
In the Linux kernel, the following vulnerability has been resolved: KVM: s390: pci: fix GAIT table indexing due to double-scaling pointer arithmetic kvm_s390_pci_aif_enable(), kvm_s390_pci_aif_disable(), and aen_host_forward() index the GAIT by manually multiplying the index with sizeof(struct zpci_gaite). Since aift->gait is already a struct zpci_gaite pointer, this double-scales the offset, accessing element aisb*16 instead of aisb. This causes out-of-bounds accesses when aisb >= 32 (with ZPCI_NR_DEVICES=512) Fix by removing the erroneous sizeof multiplication.
Betroffene Produkte
- linux linux_kernel
Quellen
- https://git.kernel.org/stable/c/11b8ff5b930b351dd1f6f088dce0beb027ac92d0
- https://git.kernel.org/stable/c/16d990a15491cf76cd6eef0846e1b4100e63261a
- https://git.kernel.org/stable/c/31a9d9f9942885aae356a1a57c79e82c5b5b0828
- https://git.kernel.org/stable/c/a99a25db131ece5e6c0f7632da606de631efe4f2
- https://git.kernel.org/stable/c/b22a2da8792a7bfe743c1a922e77fa499ddedbe8
- https://git.kernel.org/stable/c/e7216651b94e92e5433fb2f54b77864642b4ea48
Finden Sie die Schwachstelle, bevor es ein Angreifer tut.
Melden Sie sich mit GitHub an und starten Sie Ihr erstes Audit in weniger als einer Minute. Für den kostenlosen Plan ist keine Kreditkarte nötig.