Linux s390 SCLP Driver Memory Leak Fix

From this webpage screenshot, the following key information about the vulnerability can be obtained: 1. Vulnerability Description: - Title: s390/sclp: Prevent release of buffer in I/O - Description: When a task is waiting for completion of a Store Data operation, if an attempt to interrupt this operation fails, the SCLP (Store Command Line Protocol) may store data into the buffer originally referenced by the operation. This situation could lead to a memory leak, especially under rare hardware/firmware failure conditions. 2. Fix Measures: - Code Change: Fixed the issue where the referenced data buffer was not released when the interrupt attempt failed, preventing memory leaks. - Code Snippet: 3. Review and Sign-off: - Reviewer: Heiko Carstens - Sign-offs: Peter Oberparleiter, Alexander Gordeev, Sasha Levin 4. Diffstat: - File Modified: drivers/s390/char/sclp_sd.c - Changes: 10 insertions, 2 deletions 5. Context: - Commit Date: 2024-06-20 - Committer: Peter Oberparleiter - Committer: Greg Kroah-Hartman This information indicates that the vulnerability fix addresses a potential memory leak during interruption of Store Data operations, with code changes and reviews ensuring the effectiveness of the fix.

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Linux s390 SCLP Driver Memory Leak Fix