UNKNOWN NVD
CVE-2026-98249
In the Linux kernel, the following vulnerability has been resolved: arm64: hibernate: pass HVC_SET_VECTORS args to the resume hvc swsusp_arch_suspend_exit() r
In the Linux kernel, the following vulnerability has been resolved:
arm64: hibernate: pass HVC_SET_VECTORS args to the resume hvc
swsusp_arch_suspend_exit() reinstalls the restored kernel's hyp stub
vectors with an hvc, but never passes the arguments. x0 is not set to
HVC_SET_VECTORS and x1 is not set to the vector address, so the stub
dispatch falls through and returns without writing vbar_el2. EL2 is
left pointing at the trans_pgd copy of the vectors, a page that
swsusp_free() releases right after resume.
Set the arguments up the same way __hyp_set_vectors() does.
Without this fix, Vladimir was able to trigger a hang when resuming from
hibernation with CONFIG_PAGE_POISONING=y and page_poison=on.
References
- https://git.kernel.org/stable/c/60a3c319f1127c4d247d4ed235c5d65376d5e745
- https://git.kernel.org/stable/c/6646418d1032cac25110526161f60d255ed08397
- https://git.kernel.org/stable/c/909e92423db7299e0206232051aa21fe129f65d0
- https://git.kernel.org/stable/c/955d86e5f3b95b731991fdb84966c50b16314629
- https://git.kernel.org/stable/c/d3f8f773312af69eaf4dda106d76d6d42e4362e5
This unknown severity vulnerability was published on 2026-10-06 via NVD.
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