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CVE PROGRAM SOURCE RECORDUnscored

CVE-2021-47298

bpf, sockmap: Fix potential memory leak on unlikely error case

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Status
Published
Published
Updated
Assigning organization
Linux

Description

In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: Fix potential memory leak on unlikely error case If skb_linearize is needed and fails we could leak a msg on the error handling. To fix ensure we kfree the msg block before returning error. Found during code review.

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

  • 4363023d2668e621b0743db351a9555d6e6ea57e to < 715f378f42909c401ec043f5150c4fdf57fb8889affected
  • 4363023d2668e621b0743db351a9555d6e6ea57e to < 6c508a1c6c62793dc6e6872cad4b200097bab7c9affected
  • 4363023d2668e621b0743db351a9555d6e6ea57e to < 7e6b27a69167f97c56b5437871d29e9722c3e470affected

Linux Linux

Default version status: affected

  • 5.10affected
  • 0 to < 5.10unaffected
  • 5.10.54 to ≤ 5.10.*unaffected
  • 5.13.6 to ≤ 5.13.*unaffected
  • 5.14 to ≤ *unaffected

References