CVE-2024-57875

In the Linux kernel, the following vulnerability has been resolved: block: RCU protect disk-convzonesbitmap Ensure that a disk revalidation changing the conventional zones bitmap of a disk does not cause invalid memory references when using the diskzoneisconv helper by RCU protecting the...

CVE-2024-57875 block: RCU protect disk->conv_zones_bitmap

In the Linux kernel, the following vulnerability has been resolved: block: RCU protect disk-convzonesbitmap Ensure that a disk revalidation changing the conventional zones bitmap of a disk does not cause invalid memory references when using the diskzoneisconv helper by RCU protecting the...

CVE-2024-57875

Summary of CVE-2024-57875 (Linux kernel): A block-layer memory-reference issue was resolved by ensuring proper RC(U) protection when a disk’s conventional-zones bitmap is updated. The fix adds RCU-aware handling around disk->conv_zones_bitmap access: disk_zone_is_conv() now operates under the ...