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.

cve CVE-2026-80833 1 source, 1 claim · Watch

NVD writes:
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 … the claim

What it is to other things

In words only, so not counted until a person confirms one:

affectslinux/linux
NVD says “Linux · Linux”
made_bylinux
NVD says “Linux”

What each source says

PropertySourceSaidMeans here
Product
product
NVDLinux
receipt
Source
NVD
Its words
Linux
Read by
field:cve.affected[].affectedData[].product
Said since
2026-10-03 12:09 UTC
Last answered
2026-10-04 06:13 UTC
Original
open at the source
What the source handed over
{
  "cve": {
    "affected": [
      {
        "affectedData": [
          {
            "defaultStatus": "unaffected",
            "product": "Linux",
            "programFiles": [
              "drivers/crypto/allwinner/Kconfig",
              "drivers/crypto/allwinner/sun8i-ss/Makefile",
              "drivers/crypto/allwinner/sun8i-ss/sun8i-ss-core.c",
              "drivers/crypto/allwinner/sun8i-ss/sun8i-ss-prng.c",
              "drivers/crypto/allwinner/sun8i-ss/sun8i-ss.h"
            ],
            "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
            "vendor": "Linux",
            "versions": [
              {
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                "status": "affected",
                "version": "ac2614d721dea2ff273af19c6c5d508d58a2bb3e",
                "versionType": "git"
              },
              {
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              {
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                "versionType": "git"
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              "drivers/crypto/allwinner/sun8i-ss/Makefile",
              "drivers/crypto/allwinner/sun8i-ss/sun8i-ss-core.c",
              "drivers/crypto/allwinner/sun8i-ss/sun8i-ss-prng.c",
              "drivers/crypto/allwinner/sun8i-ss/sun8i-ss.h"
            ],
            "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
            "vendor": "Linux",
            "versions": [
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              {
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                "version": "0",
                "versionType": "semver"
              },
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                "versionType": "semver"
              },
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                "version": "6.1.189",
                "versionType": "semver"
              },
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                "status": "unaffected",
                "version": "6.6.158",
                "versionType": "semver"
              },
              {
                "lessThanOrEqual": "6.12.*",
                "status": "unaffected",
                "version": "6.12.109",
                "versionType": "semver"
              },
              {
                "lessThanOrEqual": "6.18.*",
                "status": "unaffected",
                "version": "6.18.50",
                "versionType": "semver"
              },
              {
                "lessThanOrEqual": "7.2.*",
                "status": "unaffected",
                "version": "7.2.3",
                "versionType": "semver"
              },
              {
                "lessThanOrEqual": "*",
                "status": "unaffected",
                "version": "7.3-rc1",
                "versionType": "original_commit_for_fix"
              }
            ]
          }
        ],
        "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
      }
    ],
    "cveTags": [],
    "descriptions": [
      {
        "lang": "en",
        "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": [
      {
        "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "url": "https://git.kernel.org/stable/c/6117968fe2cdcde28ac3aa6ec814485320af4049"
      },
      {
        "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "url": "https://git.kernel.org/stable/c/64f3406ad082c00fb7a80240a24943ccb6d9a538"
      },
      {
        "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "url": "https://git.kernel.org/stable/c/7c257a295e05ceb8f78aa3efecc4e9ce19c3313f"
      },
      {
        "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "url": "https://git.kernel.org/stable/c/8ab58786b4c63b8f1b6c522f33bb67a3c8c2791f"
      },
      {
        "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "url": "https://git.kernel.org/stable/c/9127d2a88c1795ddc4ba7687fea01cab1908fae1"
      },
      {
        "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "url": "https://git.kernel.org/stable/c/a41e4ba94ad4571aa2e566baa395e6e871e0fd4f"
      },
      {
        "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"
  }
}
—
Status
status
NVDReceived
receipt
Source
NVD
Its words
Received
Read by
field:cve.vulnStatus
Said since
2026-10-03 12:09 UTC
Last answered
2026-10-04 06:13 UTC
Original
open at the source
What the source handed over
{
  "cve": {
    "affected": [
      {
        "affectedData": [
          {
            "defaultStatus": "unaffected",
            "product": "Linux",
            "programFiles": [
              "drivers/crypto/allwinner/Kconfig",
              "drivers/crypto/allwinner/sun8i-ss/Makefile",
              "drivers/crypto/allwinner/sun8i-ss/sun8i-ss-core.c",
              "drivers/crypto/allwinner/sun8i-ss/sun8i-ss-prng.c",
              "drivers/crypto/allwinner/sun8i-ss/sun8i-ss.h"
            ],
            "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
            "vendor": "Linux",
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              "drivers/crypto/allwinner/sun8i-ss/sun8i-ss-prng.c",
              "drivers/crypto/allwinner/sun8i-ss/sun8i-ss.h"
            ],
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                "versionType": "semver"
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                "status": "unaffected",
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                "versionType": "semver"
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      }
    ],
    "id": "CVE-2026-80833",
    "lastModified": "2026-10-03T11:17:39.887",
    "metrics": {},
    "published": "2026-09-04T16:18:11.577",
    "references": [
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        "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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      },
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      }
    ],
    "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "vulnStatus": "Received"
  }
}
—
Vendor
vendor
NVDLinux
receipt
Source
NVD
Its words
Linux
Read by
field:cve.affected[].affectedData[].vendor
Said since
2026-10-03 12:09 UTC
Last answered
2026-10-04 06:13 UTC
Original
open at the source
What the source handed over
{
  "cve": {
    "affected": [
      {
        "affectedData": [
          {
            "defaultStatus": "unaffected",
            "product": "Linux",
            "programFiles": [
              "drivers/crypto/allwinner/Kconfig",
              "drivers/crypto/allwinner/sun8i-ss/Makefile",
              "drivers/crypto/allwinner/sun8i-ss/sun8i-ss-core.c",
              "drivers/crypto/allwinner/sun8i-ss/sun8i-ss-prng.c",
              "drivers/crypto/allwinner/sun8i-ss/sun8i-ss.h"
            ],
            "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
            "vendor": "Linux",
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              "drivers/crypto/allwinner/sun8i-ss/sun8i-ss-prng.c",
              "drivers/crypto/allwinner/sun8i-ss/sun8i-ss.h"
            ],
            "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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                "versionType": "semver"
              },
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                "versionType": "semver"
              },
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                "versionType": "semver"
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              {
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                "versionType": "semver"
              },
              {
                "lessThanOrEqual": "6.6.*",
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                "version": "6.6.158",
                "versionType": "semver"
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                "versionType": "semver"
              },
              {
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                "versionType": "semver"
              },
              {
                "lessThanOrEqual": "7.2.*",
                "status": "unaffected",
                "version": "7.2.3",
                "versionType": "semver"
              },
              {
                "lessThanOrEqual": "*",
                "status": "unaffected",
                "version": "7.3-rc1",
                "versionType": "original_commit_for_fix"
              }
            ]
          }
        ],
        "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
      }
    ],
    "cveTags": [],
    "descriptions": [
      {
        "lang": "en",
        "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": [
      {
        "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "url": "https://git.kernel.org/stable/c/6117968fe2cdcde28ac3aa6ec814485320af4049"
      },
      {
        "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "url": "https://git.kernel.org/stable/c/64f3406ad082c00fb7a80240a24943ccb6d9a538"
      },
      {
        "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "url": "https://git.kernel.org/stable/c/7c257a295e05ceb8f78aa3efecc4e9ce19c3313f"
      },
      {
        "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "url": "https://git.kernel.org/stable/c/8ab58786b4c63b8f1b6c522f33bb67a3c8c2791f"
      },
      {
        "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "url": "https://git.kernel.org/stable/c/9127d2a88c1795ddc4ba7687fea01cab1908fae1"
      },
      {
        "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "url": "https://git.kernel.org/stable/c/a41e4ba94ad4571aa2e566baa395e6e871e0fd4f"
      },
      {
        "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"
  }
}
—

vulnerability

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 · 2026-09-04
product Linux status Received vendor Linux source