CVE-2022-48686 nvme-tcp: fix UAF when detecting digest errors

2024-05-0314:59:10

Linux

github.com

linux kernel

vulnerability resolution

nvme-tcp

AI Score

6.6

Confidence

Low

EPSS

Percentile

5.1%

SSVC

Exploitation

none

Automatable

Technical Impact

partial

JSON

In the Linux kernel, the following vulnerability has been resolved:

nvme-tcp: fix UAF when detecting digest errors

We should also bail from the io_work loop when we set rd_enabled to true,
so we don’t attempt to read data from the socket when the TCP stream is
already out-of-sync or corrupted.

CNA Affected

[
  {
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "vendor": "Linux",
    "product": "Linux",
    "versions": [
      {
        "status": "affected",
        "version": "3f2304f8c6d6",
        "lessThan": "19816a021468",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "3f2304f8c6d6",
        "lessThan": "5914fa32ef1b",
        "versionType": "git"
      },
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        "status": "affected",
        "version": "3f2304f8c6d6",
        "lessThan": "13c80a6c1124",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "3f2304f8c6d6",
        "lessThan": "c3eb461aa56e",
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        "status": "affected",
        "version": "3f2304f8c6d6",
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        "versionType": "git"
      }
    ],
    "programFiles": [
      "drivers/nvme/host/tcp.c"
    ],
    "defaultStatus": "unaffected"
  },
  {
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "vendor": "Linux",
    "product": "Linux",
    "versions": [
      {
        "status": "affected",
        "version": "5.0"
      },
      {
        "status": "unaffected",
        "version": "0",
        "lessThan": "5.0",
        "versionType": "custom"
      },
      {
        "status": "unaffected",
        "version": "5.4.213",
        "versionType": "custom",
        "lessThanOrEqual": "5.4.*"
      },
      {
        "status": "unaffected",
        "version": "5.10.143",
        "versionType": "custom",
        "lessThanOrEqual": "5.10.*"
      },
      {
        "status": "unaffected",
        "version": "5.15.68",
        "versionType": "custom",
        "lessThanOrEqual": "5.15.*"
      },
      {
        "status": "unaffected",
        "version": "5.19.9",
        "versionType": "custom",
        "lessThanOrEqual": "5.19.*"
      },
      {
        "status": "unaffected",
        "version": "6.0",
        "versionType": "original_commit_for_fix",
        "lessThanOrEqual": "*"
      }
    ],
    "programFiles": [
      "drivers/nvme/host/tcp.c"
    ],
    "defaultStatus": "affected"
  }
]