CVE-2024-53228

Summary

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

riscv: kvm: Fix out-of-bounds array access

In kvm_riscv_vcpu_sbi_init() the entry->ext_idx can contain an out-of-bound index. This is used as a special marker for the base extensions, that cannot be disabled. However, when traversing the extensions, that special marker is not checked prior indexing the array.

Add an out-of-bounds check to the function.

Affected Software

VendorProductVersion RangeStatus
LinuxLinux56d8a385b60556019ecb45d6098830c9ef6a13e0 < 3c49e1084a5df99807fc43dd318c491e6cbaa168affected
LinuxLinux56d8a385b60556019ecb45d6098830c9ef6a13e0 < b1af648f0d610665c956ea4604d9f797e5c7e991affected
LinuxLinux56d8a385b60556019ecb45d6098830c9ef6a13e0 < 332fa4a802b16ccb727199da685294f85f9880cbaffected
LinuxLinux6.7affected
LinuxLinux0 < 6.7unaffected
LinuxLinux6.11.11 <= 6.11.*unaffected
LinuxLinux6.12.2 <= 6.12.*unaffected
LinuxLinux6.13 <= *unaffected

Weaknesses

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: total

References