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CVE PROGRAM SOURCE RECORDUnscored

CVE-2022-50520

drm/radeon: Fix PCI device refcount leak in radeon_atrm_get_bios()

Description

In the Linux kernel, the following vulnerability has been resolved: drm/radeon: Fix PCI device refcount leak in radeon_atrm_get_bios() As comment of pci_get_class() says, it returns a pci_device with its refcount increased and decreased the refcount for the input parameter @from if it is not NULL. If we break the loop in radeon_atrm_get_bios() with 'pdev' not NULL, we need to call pci_dev_put() to decrease the refcount. Add the missing pci_dev_put() to avoid refcount leak.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Linux Linux

Default version status: unaffected

  • c61e2775873f603148e8e998a938721b7d222d24 to < 6f28c7f67af4ef9bca580ab67ae2d4511797af56affected
  • c61e2775873f603148e8e998a938721b7d222d24 to < e738f82e5b1311e8fb3d1409491a6fcce6418fbeaffected
  • c61e2775873f603148e8e998a938721b7d222d24 to < 1079df6acf56f99d86b0081a38c84701412cc90eaffected
  • c61e2775873f603148e8e998a938721b7d222d24 to < 470a77989037c3ab2b08bf2d026d2c0ddc35ff5baffected
  • c61e2775873f603148e8e998a938721b7d222d24 to < 3991d98a8a07b71c02f3a39f77d6d9a7f575a5c4affected
  • c61e2775873f603148e8e998a938721b7d222d24 to < 88c6e0995c04b170563b5c894c50a3b2152e18c2affected
  • c61e2775873f603148e8e998a938721b7d222d24 to < b9decada8749b606fd8b4f04a3d6c74f7983d7bcaffected
  • c61e2775873f603148e8e998a938721b7d222d24 to < a6cffe54064a5f6c2162a85af3c16c6b453eac4eaffected
  • c61e2775873f603148e8e998a938721b7d222d24 to < 725a521a18734f65de05b8d353b5bd0d3ca4c37aaffected
  • 61ebf0a926149cc161131470cf848cb70b3d6fe6affected
  • 0a1d9a860832a5ca43114cdebf0e8650463cc1f0affected
  • 5f54f145719f453dccc73304cd427096bf7b806caffected
  • 063ab9cb6308a0806d623c8d6dda5cb2b3b87fceaffected
  • 3.2.29 to < 3.3affected
  • 3.4.12 to < 3.5affected
  • 3.5.5 to < 3.6affected
  • 3.2.60 to < 3.3affected

Linux Linux

Default version status: affected

  • 3.6affected
  • 0 to < 3.6unaffected
  • 4.9.337 to ≤ 4.9.*unaffected
  • 4.14.303 to ≤ 4.14.*unaffected
  • 4.19.270 to ≤ 4.19.*unaffected
  • 5.4.229 to ≤ 5.4.*unaffected
  • 5.10.163 to ≤ 5.10.*unaffected
  • 5.15.86 to ≤ 5.15.*unaffected
  • 6.0.16 to ≤ 6.0.*unaffected
  • 6.1.2 to ≤ 6.1.*unaffected
  • 6.2 to ≤ *unaffected

References