CVE-2022-50055

Description

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]

Reserved 2025-06-18 | Published 2025-06-18 | Updated 2025-06-18 | Assigner Linux

Product status

Default status
unaffected

d358aa9a7a2d5f91b1d33d5d4e27c2e46638d123 before ff289f2be5899efd0e897d2b434a78e36df2c69b
affected

d358aa9a7a2d5f91b1d33d5d4e27c2e46638d123 before 4fe80492d53971d9a49f39f3c86d2d67c6f3638a
affected

d358aa9a7a2d5f91b1d33d5d4e27c2e46638d123 before dab6b551f5ba4c79a0dd4970dd8533c37a7b100f
affected

d358aa9a7a2d5f91b1d33d5d4e27c2e46638d123 before 35c63581fdefdcbaeae8cded18908523252353ad
affected

d358aa9a7a2d5f91b1d33d5d4e27c2e46638d123 before 419831617ed349992c84344dbd9e627f9e68f842
affected

Default status
affected

3.14
affected

Any version before 3.14
unaffected

5.4.211
unaffected

5.10.138
unaffected

5.15.63
unaffected

5.19.4
unaffected

6.0
unaffected

References

git.kernel.org/...c/ff289f2be5899efd0e897d2b434a78e36df2c69b

git.kernel.org/...c/4fe80492d53971d9a49f39f3c86d2d67c6f3638a

git.kernel.org/...c/dab6b551f5ba4c79a0dd4970dd8533c37a7b100f

git.kernel.org/...c/35c63581fdefdcbaeae8cded18908523252353ad

git.kernel.org/...c/419831617ed349992c84344dbd9e627f9e68f842

cve.org (CVE-2022-50055)

nvd.nist.gov (CVE-2022-50055)

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