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CVE PROGRAM SOURCE RECORDUnscored

CVE-2022-48977

can: af_can: fix NULL pointer dereference in can_rcv_filter

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Status
Published
Published
Updated
Assigning organization
Linux

Description

In the Linux kernel, the following vulnerability has been resolved: can: af_can: fix NULL pointer dereference in can_rcv_filter Analogue to commit 8aa59e355949 ("can: af_can: fix NULL pointer dereference in can_rx_register()") we need to check for a missing initialization of ml_priv in the receive path of CAN frames. Since commit 4e096a18867a ("net: introduce CAN specific pointer in the struct net_device") the check for dev->type to be ARPHRD_CAN is not sufficient anymore since bonding or tun netdevices claim to be CAN devices but do not initialize ml_priv accordingly.

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

  • 4ac1feff6ea6495cbfd336f4438a6c6d140544a6 to < 3982652957e8d79ac32efcb725450580650a8644affected
  • 1a5751d58b14195f763b8c1d9ef33fb8a93e95e7 to < c42221efb1159d6a3c89e96685ee38acdce86b6faffected
  • 4e096a18867a5a989b510f6999d9c6b6622e8f7b to < c142cba37de29f740a3852f01f59876af8ae462aaffected
  • 4e096a18867a5a989b510f6999d9c6b6622e8f7b to < fcc63f2f7ee3038d53216edd0d8291e57c752557affected
  • 4e096a18867a5a989b510f6999d9c6b6622e8f7b to < 0acc442309a0a1b01bcdaa135e56e6398a49439caffected
  • 96340078d50a54f6a1252c62596bc44321c8bff9affected
  • 5.4.110 to < 5.4.227affected
  • 5.10.28 to < 5.10.159affected
  • 5.11.12 to < 5.12affected

Linux Linux

Default version status: affected

  • 5.12affected
  • 0 to < 5.12unaffected
  • 5.4.227 to ≤ 5.4.*unaffected
  • 5.10.159 to ≤ 5.10.*unaffected
  • 5.15.83 to ≤ 5.15.*unaffected
  • 6.0.13 to ≤ 6.0.*unaffected
  • 6.1 to ≤ *unaffected

References