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CVE-2026-23253 media: dvb-core: fix wrong reinitialization of ringbuffer on reopen

🗓️ 18 Mar 2026 17:01:44Reported by LinuxType 
cvelist
 cvelist🔗 www.cve.org👁 17 Views

Fix wrong ringbuffer reinitialization on DVR reopen in media dvb-core by using reset.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB		CVE-2026-23253
18 Mar 202617:01
–attackerkb
CBLMariner		CVE-2026-23253 affecting package kernel for versions less than 6.6.130.1-1
30 Mar 202616:12
–cbl_mariner
Circl		CVE-2026-23253
29 Mar 202617:00
–circl
CNNVD		Linux kernel 安全漏洞
18 Mar 202600:00
–cnnvd
CVE		CVE-2026-23253
18 Mar 202617:01
–cve
Debian		[SECURITY] [DLA 4561-1] linux-6.1 security update
2 May 202608:40
–debian
Debian		[SECURITY] [DLA 4606-1] linux security update
29 May 202616:36
–debian
Debian		[SECURITY] [DSA 6238-1] linux security update
30 Apr 202620:05
–debian
Debian		[SECURITY] [DSA 6243-1] linux security update
1 May 202619:10
–debian
Debian CVE		CVE-2026-23253
18 Mar 202617:01
–debiancve
Rows per page
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/media/dvb-core/dmxdev.c"
    ],
    "versions": [
      {
        "version": "34731df288a5ffe4b0c396caf8cd24c6a710a222",
        "lessThan": "527cfa8a3486b3555c5c15e2f62be484a11398dc",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "34731df288a5ffe4b0c396caf8cd24c6a710a222",
        "lessThan": "fb378cf89be434ed1f10ab79cc4788fba8ae868d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "34731df288a5ffe4b0c396caf8cd24c6a710a222",
        "lessThan": "f1e520ca2e83ece6731af6167c9e5e16931ecba0",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "34731df288a5ffe4b0c396caf8cd24c6a710a222",
        "lessThan": "af050ab44fa1b1897a940d7d756e512232f5e5df",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "34731df288a5ffe4b0c396caf8cd24c6a710a222",
        "lessThan": "d71781bad59b1c9d60d7068004581f9bf19c0c9d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "34731df288a5ffe4b0c396caf8cd24c6a710a222",
        "lessThan": "cfd94642025e6f71c8f754bdec0800ee95e4f3dd",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "34731df288a5ffe4b0c396caf8cd24c6a710a222",
        "lessThan": "32eb8e4adc207ef31bc6e5ae56bab940b0176066",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "34731df288a5ffe4b0c396caf8cd24c6a710a222",
        "lessThan": "bfbc0b5b32a8f28ce284add619bf226716a59bc0",
        "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/media/dvb-core/dmxdev.c"
    ],
    "versions": [
      {
        "version": "2.6.17",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "2.6.17",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.253",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.203",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.167",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.130",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.77",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.17",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.19.7",
        "lessThanOrEqual": "6.19.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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11 May 2026 22:03Current
CVSS 3.17.8
EPSS0.00026
dvb coredvr openringbufferwaitqueuememory orderingreset
17