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Medium severity5.5NVD Advisory· Published May 21, 2024· Updated Jun 17, 2026

CVE-2021-47298

CVE-2021-47298

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

5
  • Linux/Kernelllm-fuzzy5 versions
    (expand)+ 4 more
    • (no CPE)
    • (no CPE)range: 5.10
    • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*range: >=5.10,<5.10.54
    • cpe:2.3:o:linux:linux_kernel:5.14:rc1:*:*:*:*:*:*
    • cpe:2.3:o:linux:linux_kernel:5.14:rc2:*:*:*:*:*:*

Patches

Vulnerability mechanics

References

3

News mentions

0

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