CVE-2026-46193

In the Linux kernel, the following vulnerability has been resolved: xfrm: ah: account for ESN high bits in async callbacks AH allocates its temporary auth/ICV layout differently when ESN is enabled: the async ahash setup appends a 4-byte seqhi slot before the ICV or authdata area, but the async...

EUVD-2026-32820

In the Linux kernel, the following vulnerability has been resolved: xfrm: ah: account for ESN high bits in async callbacks AH allocates its temporary auth/ICV layout differently when ESN is enabled: the async ahash setup appends a 4-byte seqhi slot before the ICV or authdata area, but the async...

CVE-2026-46193

CONCRETE DETAILS FOUND: CVE-2026-46193 concerns the Linux kernel’s IPsec AH/xfrm path with ESN enabled. The issue arises when the async ahash setup appends a 4-byte ESN seqhi slot before the ICV/auth_data, but the async completion callbacks reconstruct the layout as if seqhi were absent, causing ...