pds_core: fix error handling in pdsc_devcmd_wait

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Summary

CVECVE-2026-64148
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-07-19 16:17:56 UTC
Updated2026-07-19 16:17:56 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: pds_core: fix error handling in pdsc_devcmd_wait Fix two cases where pdsc_devcmd_wait() returns stale success from the completion register instead of an error: 1. FW crash: If firmware stops running, the wait loop breaks early with running=false. The condition "if ((!done || timeout) && running)" is false, so error handling is bypassed and stale status is returned. Check !running first and return -ENXIO. 2. Timeout: If a command times out, err is set to -ETIMEDOUT but then overwritten by pdsc_err_to_errno(status) which reads stale status. Return -ETIMEDOUT immediately after cleaning up. Both errors now propagate to pdsc_devcmd_locked() which queues health_work for recovery.

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected 45d76f492938cdc27ddadc16e1e75103f4cfbf56 3231aff8ab26111c54e630b1a200fc43a729dd14 git Not specified
CNA Linux Linux affected 45d76f492938cdc27ddadc16e1e75103f4cfbf56 10ae3180095bbe2d378c5b1d6f2f2fd74dda3cc2 git Not specified
CNA Linux Linux affected 45d76f492938cdc27ddadc16e1e75103f4cfbf56 784dd2bdc622ed3cc6ef8e113aa1852e252de36f git Not specified
CNA Linux Linux affected 45d76f492938cdc27ddadc16e1e75103f4cfbf56 560d559324169fe0583d54c475b5329550a86f71 git Not specified
CNA Linux Linux affected 45d76f492938cdc27ddadc16e1e75103f4cfbf56 0e46b6635b03d29807f810c3b415c4755a3f958d git Not specified
CNA Linux Linux affected 6.4 Not specified
CNA Linux Linux unaffected 6.4 semver Not specified
CNA Linux Linux unaffected 6.6.142 6.6.* semver Not specified
CNA Linux Linux unaffected 6.12.92 6.12.* semver Not specified
CNA Linux Linux unaffected 6.18.34 6.18.* semver Not specified
CNA Linux Linux unaffected 7.0.11 7.0.* semver Not specified
CNA Linux Linux unaffected 7.1 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/10ae3180095bbe2d378c5b1d6f2f2fd74dda3cc2 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/784dd2bdc622ed3cc6ef8e113aa1852e252de36f 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/3231aff8ab26111c54e630b1a200fc43a729dd14 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/0e46b6635b03d29807f810c3b415c4755a3f958d 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/560d559324169fe0583d54c475b5329550a86f71 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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