Security Bulletin: IBM Spectrum Scale for IBM Elastic Storage Server is affected by the use of Local Read Only Cache (LROC) which may result in directory corruption and undetected data corruption in regular files.

Summary The Elastic Storage Server is affected by a vulnerability in IBM Spectrum Scale where after cached data is moved from memory to the LROC device, any changes to that data should trigger invalidation of the data stored in LROC. Due to a problem with invalidation logic, it is possible for th...

CVE-2018-1993

IBM Spectrum Scale GPFS 4.1.1, 4.2.0, 4.2.1, 4.2.2, 4.2.3, and 5.0.0 where the use of Local Read Only Cache LROC is enabled may caused read operation on a file to return data from a different file. IBM X-Force ID: 154440...

Default configuration

IBM Spectrum Scale GPFS 4.1.1, 4.2.0, 4.2.1, 4.2.2, 4.2.3, and 5.0.0 where the use of Local Read Only Cache LROC is enabled may caused read operation on a file to return data from a different file. IBM X-Force ID: 154440...

Security Bulletin: A vulnerability has been identified in IBM Spectrum Scale where the use of Local Read Only Cache (LROC) may result in directory corruption and undetected data corruption in regular files.

Summary After cached data is moved from memory to the LROC device, any changes to that data should trigger invalidation of the data stored in LROC. Due to a problem with invalidation logic, it is possible for invalidation of this LROC data to be skipped. This could lead to stale or incorrect data...