In the Linux kernel, the following vulnerability has been resolved:

caif: fix memory leak in cfctrl_linkup_request()

When linktype is unknown or kzalloc failed in cfctrl_linkup_request(),
pkt is not released. Add release process to error path.

References

• https://nvd.nist.gov/vuln/detail/CVE-2023-53330
• https://git.kernel.org/stable/c/1dddeceb26002cfea4c375e92ac6498768dc7349
• https://git.kernel.org/stable/c/33df9c5d5e2a18c70f5f5f3c2757d654c1b6ffa3
• https://git.kernel.org/stable/c/3acf3783a84cbdf0c9f8cf2f32ee9c49af93a2da
• https://git.kernel.org/stable/c/3ad47c8aa5648226184415e4a0cb1bf67ffbfd48
• https://git.kernel.org/stable/c/84b2cc7b36b7f6957d307fb3d01603f93cb2d655
• https://git.kernel.org/stable/c/badea57569db04b010e922e29a7aaf40a979a70b
• https://git.kernel.org/stable/c/dc1bc903970bdf63ca40ab923d3ccb765da9a8d9
• https://git.kernel.org/stable/c/fe69230f05897b3de758427b574fc98025dfc907