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CVE-2022-50055

iavf: Fix adminq error handling PUBLISHED

Description (CNA)

In the Linux kernel, the following vulnerability has been resolved: iavf: Fix adminq error handling iavf_alloc_asq_bufs/iavf_alloc_arq_bufs allocates with dma_alloc_coherent memory for VF mailbox. Free DMA regions for both ASQ and ARQ in case error happens during configuration of ASQ/ARQ registers. Without this change it is possible to see when unloading interface: 74626.583369: dma_debug_device_change: device driver has pending DMA allocations while released from device [count=32] One of leaked entries details: [device address=0x0000000b27ff9000] [size=4096 bytes] [mapped with DMA_BIDIRECTIONAL] [mapped as coherent]

Affected (CNA)

Vendor / productVersions
Linux / Linuxaffected d358aa9a7a2d5f91b1d33d5d4e27c2e46638d123 before ff289f2be5899efd0e897d2b434a78e36df2c69b; affected d358aa9a7a2d5f91b1d33d5d4e27c2e46638d123 before 4fe80492d53971d9a49f39f3c86d2d67c6f3638a; affected d358aa9a7a2d5f91b1d33d5d4e27c2e46638d123 before dab6b551f5ba4c79a0dd4970dd8533c37a7b100f; affected d358aa9a7a2d5f91b1d33d5d4e27c2e46638d123 before 35c63581fdefdcbaeae8cded18908523252353ad; affected d358aa9a7a2d5f91b1d33d5d4e27c2e46638d123 before 419831617ed349992c84344dbd9e627f9e68f842
Linux / Linuxaffected 3.14; unaffected 0 before 3.14; unaffected 5.4.211 through 5.4.*; unaffected 5.10.138 through 5.10.*; unaffected 5.15.63 through 5.15.*; unaffected 5.19.4 through 5.19.*; unaffected 6.0 through *

CWE

No CWE identifiers supplied.

References