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CVE-2021-47527 serial: core: fix transmit-buffer reset and memleak

🗓️ 24 May 2024 15:09:38Reported by LinuxType 
cvelist
 cvelist🔗 www.cve.org👁 29 Views

Linux kernel vulnerability fixed in serial core for transmit-buffer reset and memlea

Related
Affected
Refs
ReporterTitlePublishedViews
Family
Tenable Nessus		Amazon Linux 2 : kernel (ALAS-2022-1749)
7 Feb 202200:00
–nessus
Tenable Nessus		Amazon Linux 2 : kernel (ALASKERNEL-5.10-2022-009)
2 May 202200:00
–nessus
Tenable Nessus		Amazon Linux 2 : kernel (ALASKERNEL-5.4-2022-021)
2 May 202200:00
–nessus
Tenable Nessus		AlmaLinux 8 : kernel (ALSA-2024:7000)
25 Sep 202400:00
–nessus
Tenable Nessus		AlmaLinux 8 : kernel-rt (ALSA-2024:7001)
25 Sep 202400:00
–nessus
Tenable Nessus		EulerOS 2.0 SP9 : kernel (EulerOS-SA-2024-2369)
12 Sep 202400:00
–nessus
Tenable Nessus		EulerOS 2.0 SP9 : kernel (EulerOS-SA-2024-2394)
12 Sep 202400:00
–nessus
Tenable Nessus		MiracleLinux 8 : kernel-4.18.0-553.22.1.el8_10 (AXSA:2024-9035:37)
20 Jan 202600:00
–nessus
Tenable Nessus		Oracle Linux 8 : kernel (ELSA-2024-7000)
25 Sep 202400:00
–nessus
Tenable Nessus		Photon OS 4.0: Linux PHSA-2021-4.0-0065
22 Jul 202100:00
–nessus
Rows per page
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/tty/serial/serial_core.c"
    ],
    "versions": [
      {
        "version": "761ed4a94582ab291aa24dcbea4e01e8936488c8",
        "lessThan": "011f6c92b5bf6e1fbfdedc8b5232f64c1c493206",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "761ed4a94582ab291aa24dcbea4e01e8936488c8",
        "lessThan": "e74d9663fd57640fc3394abb5c76fa95b9cc2f2e",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "761ed4a94582ab291aa24dcbea4e01e8936488c8",
        "lessThan": "1179b168fa3f3a6aae3bd140000455a0e58457db",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "761ed4a94582ab291aa24dcbea4e01e8936488c8",
        "lessThan": "c5da8aa441053958594f94254592bb41264bdfbf",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "761ed4a94582ab291aa24dcbea4e01e8936488c8",
        "lessThan": "e1722acf4f0d4d67b60f57e08ce16f8b66cd4b8f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "761ed4a94582ab291aa24dcbea4e01e8936488c8",
        "lessThan": "64e491c1634b73d3bddc081d08620bdc92ab2c12",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "761ed4a94582ab291aa24dcbea4e01e8936488c8",
        "lessThan": "00de977f9e0aa9760d9a79d1e41ff780f74e3424",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/tty/serial/serial_core.c"
    ],
    "versions": [
      {
        "version": "4.9",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "4.9",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "4.9.292",
        "lessThanOrEqual": "4.9.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "4.14.257",
        "lessThanOrEqual": "4.14.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "4.19.220",
        "lessThanOrEqual": "4.19.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.4.164",
        "lessThanOrEqual": "5.4.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.84",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.7",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.16",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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11 May 2026 13:56Current
6.6Medium risk
Vulners AI Score6.6
EPSS0.00251
linux kernelvulnerabilityserial coretransmit buffer resetmemleak
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