tee: optee: prevent use-after-free when the client exits before the supplicant

These records connect through source-stated identifiers. Shared identifiers or dates alone do not establish shared exposure, root cause or applicability.

CVE-2026-53273 · Microsoft / collected KEV context

cve-program · CVE-2026-53273

• https://git.kernel.org/stable/c/416259cb5bffecaaae5f76539deb535a8c1b2c34
• https://git.kernel.org/stable/c/724d0caffd4204b46f78efe22f18f8338031c6e1
• https://git.kernel.org/stable/c/ae847ab29ded2d7cece4d5970f0edefa4137bf2f
• https://git.kernel.org/stable/c/9a0dc9279d0907b198f205a693aedf696b08145d
• https://git.kernel.org/stable/c/d366a01475f927402c96a3fe78bfc06b924fc87d
• https://git.kernel.org/stable/c/d5b57bb314d79e99bebb58a53588fa11dd4dbf69
• https://git.kernel.org/stable/c/373152c94e57e9592b68c100e224fbd943cfd608
• https://git.kernel.org/stable/c/387a926ee166814611acecb960207fe2f3c4fd3e

No related operational record is retained in the current change model.