CVE-2021-47275

A vulnerability was found in the Linux kernel's bcache driver, where the cacheddevcachemiss function can create an oversized read request when the calculation for the size of data read from the backing device produces an excessively large value, leading to potential kernel crash. Mitigation Red H...

CVE-2021-47275 bcache: avoid oversized read request in cache missing code path

In the Linux kernel, the following vulnerability has been resolved: bcache: avoid oversized read request in cache missing code path In the cache missing code path of cached device, if a proper location from the internal B+ tree is matched for a cache miss range, function cacheddevcachemiss will b...

CVE-2021-47275

CVE-2021-47275 concerns the Linux kernel w.r.t. the bcache cache-miss path. In cached_dev_cache_miss(), the calculation of the read size for missing cache data can overflow the 16-bit size field embedded in the bkey (via the sectors value), causing oversized inserts into the internal B+ tree. Thi...

GSD-2021-1001026 bcache: avoid oversized read request in cache missing code path

bcache: avoid oversized read request in cache missing code path This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.12.11 by commit...