In the Linux kernel, the following vulnerability has been resolved: crypto: sun8i-ss - Remove crypto_rng interface Since the crypto_rng interface for hardware PRNGs is unused and is redundant with hwrng and the actual Linux RNG, it's being phased out. Most drivers for it were already removed. Go ahead and remove the sun8i-ss support which is one of the only remaining ones. As usual for crypto_rng, this driver was also buggy: its ->generate() function had a use-after-free vulnerability due to using wait_for_completion_interruptible_timeout() without handling shutting down the DMA operation if a signal is sent. Also, it had a buffer overread bug in the line 'memcpy(ctx->seed, d + dlen, ctx->slen);'. There's no point in fixing these bugs separately only to remove the code anyway, so this commit is marked with Fixes and Cc stable.
zetlyn/cve-nvd vulnerability cve CVE-2026-80833 known 2026-09-04
https://nvd.nist.gov/vuln/detail/CVE-2026-80833
Properties
| product | Linuxreceipt
What the source handed over{
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{
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{
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}
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"descriptions": [
{
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: sun8i-ss - Remove crypto_rng interface\n\nSince the crypto_rng interface for hardware PRNGs is unused and is\nredundant with hwrng and the actual Linux RNG, it's being phased out.\nMost drivers for it were already removed. Go ahead and remove the\nsun8i-ss support which is one of the only remaining ones.\n\nAs usual for crypto_rng, this driver was also buggy: its ->generate()\nfunction had a use-after-free vulnerability due to using\nwait_for_completion_interruptible_timeout() without handling shutting\ndown the DMA operation if a signal is sent. Also, it had a buffer\noverread bug in the line 'memcpy(ctx->seed, d + dlen, ctx->slen);'.\nThere's no point in fixing these bugs separately only to remove the code\nanyway, so this commit is marked with Fixes and Cc stable."
}
],
"id": "CVE-2026-80833",
"lastModified": "2026-10-03T11:17:39.887",
"metrics": {},
"published": "2026-09-04T16:18:11.577",
"references": [
{
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],
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"vulnStatus": "Received"
}
} |
|---|---|
| status | Receivedreceipt
What the source handed over{
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{
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{
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}
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}
],
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"vulnStatus": "Received"
}
} |
| vendor | Linuxreceipt
What the source handed over{
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{
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}
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"metrics": {},
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},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/a78446ee6fae86ac8733f120e3ffce2e5d9384f5"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/d29ccf9eeb67d775221e49a079caa1af83427afa"
}
],
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"vulnStatus": "Received"
}
} |
Text
In the Linux kernel, the following vulnerability has been resolved:
crypto: sun8i-ss - Remove crypto_rng interface
Since the crypto_rng interface for hardware PRNGs is unused and is
redundant with hwrng and the actual Linux RNG, it's being phased out.
Most drivers for it were already removed. Go ahead and remove the
sun8i-ss support which is one of the only remaining ones.
As usual for crypto_rng, this driver was also buggy: its ->generate()
function had a use-after-free vulnerability due to using
wait_for_completion_interruptible_timeout() without handling shutting
down the DMA operation if a signal is sent. Also, it had a buffer
overread bug in the line 'memcpy(ctx->seed, d + dlen, ctx->slen);'.
There's no point in fixing these bugs separately only to remove the code
anyway, so this commit is marked with Fixes and Cc stable.