CVE-2023-52846high

hsr: Prevent use after free in prp_create_tagged_frame()

21Vexday Risk Score

Sin señal de explotación. Ningún artefacto público de explotación conocido hasta ahora.

ssvc Trackcvss 8.8epss 0.3%

probabilidad de explotación

0.3%top 73% de las CVE

explotación observada

noninguna fuente lo reporta

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.

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Productos afectados

Linux · Linux

Referencias

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