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.

• CWE-416

• https://git.kernel.org/stable/c/1787b9f0729d318d67cf7c5a95f0c3dba9a7cc18Patch
• https://git.kernel.org/stable/c/6086258bd5ea7b5c706ff62da42b8e271b2401dbPatch
• https://git.kernel.org/stable/c/876f8ab52363f649bcc74072157dfd7adfbabc0dPatch
• https://git.kernel.org/stable/c/a1a485e45d24b1cd8fe834fd6f1b06e2903827daPatch
• https://git.kernel.org/stable/c/d103fb6726904e353b4773188ee3d3acb4078363Patch
• https://git.kernel.org/stable/c/ddf4e04e946aaa6c458b8b6829617cc44af2bffdPatch
• https://git.kernel.org/stable/c/1787b9f0729d318d67cf7c5a95f0c3dba9a7cc18Patch
• https://git.kernel.org/stable/c/6086258bd5ea7b5c706ff62da42b8e271b2401dbPatch
• https://git.kernel.org/stable/c/876f8ab52363f649bcc74072157dfd7adfbabc0dPatch
• https://git.kernel.org/stable/c/a1a485e45d24b1cd8fe834fd6f1b06e2903827daPatch
• https://git.kernel.org/stable/c/d103fb6726904e353b4773188ee3d3acb4078363Patch
• https://git.kernel.org/stable/c/ddf4e04e946aaa6c458b8b6829617cc44af2bffdPatch

Published

May 21, 2024

Last Modified

Aug 4, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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