s390/crypto: Map EBUSY to EIO when key conversion fails repeatedly
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Fix
- Fixed in 6.18.53, 7.2.7
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
Summary
In the Linux kernel, the following vulnerability has been resolved: s390/crypto: Map EBUSY to EIO when key conversion fails repeatedly When hardware persistently returns -EBUSY after exhausting retries, the error propagates to crypto_finalize_*_request(). The crypto API's completion wrapper treats -EBUSY as a queueing status and swallows it, preventing the completion callback from firing. This causes callers using crypto_wait_req() to block indefinitely. Translate persistent -EBUSY to -EIO after retry exhaustion to ensure proper error propagation and callback invocation.
Timeline
- CVE published
- Record last updated
Affected versions
- Linux Linux
From 6cd87cb5ef6ca50ae17c371482ceaab1d635e232 · fixed in f6b263679aa72ad2e534bf93db55f2589549a40e; From 6cd87cb5ef6ca50ae17c371482ceaab1d635e232 · fixed in e267bd142664a181474112392aeaa8b3d4b12f2e; From 6cd87cb5ef6ca50ae17c371482ceaab1d635e232 · fixed in 7a08507ea5b4d06ad8d269287913573f34467565
- Linux Linux
6.16
- KernelLinux
From 6.16.0 · fixed in 6.18.53; From 6.19.0 · fixed in 7.2.7