CVE-2026-80522

In the Linux kernel, the following vulnerability has been resolved: crypto: tegra - fix rctx->cryptlen calculation in tegra_gcm_do_one_req() Perform rctx->cryptlen calculation in tegra_gcm_do_one_req() the same way it is done in tegra_ccm_crypt_init(). The current formulae may lead to a crash if a caller does not call tegra_gcm_setauthsize() and so ctx->authsize remains zero. Then a decrypt operation with incorrect rctx->cryptlen will lead to a write beyound rctx->dst_sg buffer. As a follow-up cleanup delete struct tegra_aead_ctx->authsize field since it appears to be completely unused. Also simplify tegra_ccm_setauthsize() and tegra_gcm_setauthsize() functions respectively.

• https://git.kernel.org/stable/c/360f2974fcea49c61f6d6f81554741a9eeee7168
• https://git.kernel.org/stable/c/99a18e1d979e0fad3aaf9c65ae6696897c1d9869
• https://git.kernel.org/stable/c/c6237834d9994de209cb90c7a2c461247bce8e90
• https://git.kernel.org/stable/c/cd6991001bf0681ed0bcf21f9cc3d261d749b2bb

Published

Aug 26, 2026

Last Modified

Aug 27, 2026

Status

Received

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