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CVE PROGRAM SOURCE RECORDUnscored

CVE-2021-47514

devlink: fix netns refcount leak in devlink_nl_cmd_reload()

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Status
Published
Published
Updated
Assigning organization
Linux

Description

In the Linux kernel, the following vulnerability has been resolved: devlink: fix netns refcount leak in devlink_nl_cmd_reload() While preparing my patch series adding netns refcount tracking, I spotted bugs in devlink_nl_cmd_reload() Some error paths forgot to release a refcount on a netns. To fix this, we can reduce the scope of get_net()/put_net() section around the call to devlink_reload().

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

  • ccdf07219da6bd1f43c6ddcde4c0e36993c7365a to < 4b7e90672af8e0c78205db006f1b0a20ebd07f5faffected
  • ccdf07219da6bd1f43c6ddcde4c0e36993c7365a to < fe30b70ca84da9c4aca85c03ad86e7a9b89c5dedaffected
  • ccdf07219da6bd1f43c6ddcde4c0e36993c7365a to < 4dbb0dad8e63fcd0b5a117c2861d2abe7ff5f186affected

Linux Linux

Default version status: affected

  • 5.10affected
  • 0 to < 5.10unaffected
  • 5.10.85 to ≤ 5.10.*unaffected
  • 5.15.8 to ≤ 5.15.*unaffected
  • 5.16 to ≤ *unaffected

References