CVE-2023-52846

In the Linux kernel, the following vulnerability has been resolved: hsr: Prevent use after free in prp_create_tagged_frame() The prp_fill_rct() function can fail. In that situation, it frees the skb and returns NULL. Meanwhile on the success path, it returns the original skb. So it's straight forward to fix bug by using the returned value.

Score

CVSS 3.1 8.8 High

Status

Modified - 416baaa9-dc9f-4396-8d5f-8c081fb06d67

Published

2024-05-21

Last modified

2026-08-05

Weaknesses

CWE-416

Affected products

• Linux Kernel (Linux)

References

• https://git.kernel.org/stable/c/1787b9f0729d318d67cf7c5a95f0c3dba9a7cc18
• https://git.kernel.org/stable/c/6086258bd5ea7b5c706ff62da42b8e271b2401db
• https://git.kernel.org/stable/c/876f8ab52363f649bcc74072157dfd7adfbabc0d
• https://git.kernel.org/stable/c/a1a485e45d24b1cd8fe834fd6f1b06e2903827da
• https://git.kernel.org/stable/c/d103fb6726904e353b4773188ee3d3acb4078363
• https://git.kernel.org/stable/c/ddf4e04e946aaa6c458b8b6829617cc44af2bffd