Description (CNA)
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.
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| Linux / Linux | affected 73f91b004321f2510fa79e66035dbbf1870fcf56 before 31a9d9f9942885aae356a1a57c79e82c5b5b0828; affected 73f91b004321f2510fa79e66035dbbf1870fcf56 before a99a25db131ece5e6c0f7632da606de631efe4f2; affected 73f91b004321f2510fa79e66035dbbf1870fcf56 before 11b8ff5b930b351dd1f6f088dce0beb027ac92d0; affected 73f91b004321f2510fa79e66035dbbf1870fcf56 before b22a2da8792a7bfe743c1a922e77fa499ddedbe8; affected 73f91b004321f2510fa79e66035dbbf1870fcf56 before e7216651b94e92e5433fb2f54b77864642b4ea48; affected 73f91b004321f2510fa79e66035dbbf1870fcf56 before 16d990a15491cf76cd6eef0846e1b4100e63261a |
| Linux / Linux | affected 6.0; unaffected 0 before 6.0; unaffected 6.1.175 through 6.1.*; unaffected 6.6.141 through 6.6.*; unaffected 6.12.91 through 6.12.*; unaffected 6.18.33 through 6.18.*; unaffected 7.0.10 through 7.0.*; unaffected 7.1 through * |
CWE
No CWE identifiers supplied.
References
- https://git.kernel.org/stable/c/31a9d9f9942885aae356a1a57c79e82c5b5b0828
- https://git.kernel.org/stable/c/a99a25db131ece5e6c0f7632da606de631efe4f2
- https://git.kernel.org/stable/c/11b8ff5b930b351dd1f6f088dce0beb027ac92d0
- https://git.kernel.org/stable/c/b22a2da8792a7bfe743c1a922e77fa499ddedbe8
- https://git.kernel.org/stable/c/e7216651b94e92e5433fb2f54b77864642b4ea48
- https://git.kernel.org/stable/c/16d990a15491cf76cd6eef0846e1b4100e63261a
ADP enrichment
No English description supplied.
No references supplied.