CVE-2021-47176

Summary

In the Linux kernel, the following vulnerability has been resolved:

s390/dasd: add missing discipline function

Fix crash with illegal operation exception in dasd_device_tasklet. Commit b72949328869 ("s390/dasd: Prepare for additional path event handling") renamed the verify_path function for ECKD but not for FBA and DIAG. This leads to a panic when the path verification function is called for a FBA or DIAG device.

Fix by defining a wrapper function for dasd_generic_verify_path().

Affected Software

VendorProductVersion RangeStatus
LinuxLinux8bc5a76268fb334236296b4c185b8337e0d85473 < 6a16810068e70959bc1df686424aa35ce05578f1affected
LinuxLinux72aebdac390bf0dc04c0385d2db7ee522f4ffa3c < aa8579bc084673c651204f7cd0d6308a47dffc16affected
LinuxLinuxb72949328869dfd45f6452c2410647afd7db5f1a < a16be88a3d7e5efcb59a15edea87a8bd369630c6affected
LinuxLinuxb72949328869dfd45f6452c2410647afd7db5f1a < c0c8a8397fa8a74d04915f4d3d28cb4a5d401427affected
LinuxLinux5.4.235 < 5.4.237affected
LinuxLinux5.10.173 < 5.10.175affected
LinuxLinux5.11affected
LinuxLinux0 < 5.11unaffected
LinuxLinux5.4.237 <= 5.4.*unaffected
LinuxLinux5.10.175 <= 5.10.*unaffected
LinuxLinux5.12.9 <= 5.12.*unaffected
LinuxLinux5.13 <= *unaffected

Weaknesses

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

CVE Program Container

Additional References

References