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PUBLISHED

CVE-2021-47176

s390/dasd: add missing discipline function

Reserved:2024-03-25
Published:2024-03-25
Updated:2024-04-04

Description

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().

Product status

Default status
unaffected

8bc5a76268fb before 6a16810068e7
affected

72aebdac390b before aa8579bc0846
affected

b72949328869 before a16be88a3d7e
affected

b72949328869 before c0c8a8397fa8
affected

Default status
affected

5.11
affected

Any version before 5.11
unaffected

5.4.237
unaffected

5.10.175
unaffected

5.12.9
unaffected

5.13
unaffected

References

https://git.kernel.org/stable/c/6a16810068e70959bc1df686424aa35ce05578f1

https://git.kernel.org/stable/c/aa8579bc084673c651204f7cd0d6308a47dffc16

https://git.kernel.org/stable/c/a16be88a3d7e5efcb59a15edea87a8bd369630c6

https://git.kernel.org/stable/c/c0c8a8397fa8a74d04915f4d3d28cb4a5d401427

cve.org CVE-2021-47176

nvd.nist.gov CVE-2021-47176

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