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CVE-2026-23019

🗓️ 31 Jan 2026 11:39:03Reported by LinuxType 
cve
 cve🔗 web.nvd.nist.gov👁 9 Views

CVE-2026-23019 fixes NULL dereference when devlink_alloc() returns NULL in marvell prestera by adding a NULL check.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB		CVE-2026-23019
31 Jan 202611:39
–attackerkb
AstraLinux		 Astra Linux - уязвимость в linux-6.1
3 May 202623:59
–astralinux
CBLMariner		CVE-2026-23019 affecting package kernel for versions less than 6.6.121.1-1
9 Feb 202623:37
–cbl_mariner
Circl		CVE-2026-23019
19 Mar 202600:00
–circl
CNNVD		Linux Kernel Security Vulnerabilities
31 Jan 202600:00
–cnnvd
Cvelist		CVE-2026-23019 net: marvell: prestera: fix NULL dereference on devlink_alloc() failure
31 Jan 202611:39
–cvelist
Debian		[SECURITY] [DLA 4476-1] linux-6.1 security update
11 Feb 202612:48
–debian
Debian		[SECURITY] [DSA 6126-1] linux security update
9 Feb 202618:21
–debian
Debian		[SECURITY] [DSA 6127-1] linux security update
9 Feb 202619:19
–debian
Debian CVE		CVE-2026-23019
31 Jan 202611:39
–debiancve
Rows per page
NVD
Vulners
CNA
Node
linuxlinux_kernelRange5.10.1–5.15.198
OR
linuxlinux_kernelRange5.16–6.1.161
OR
linuxlinux_kernelRange6.2–6.6.121
OR
linuxlinux_kernelRange6.7–6.12.66
OR
linuxlinux_kernelRange6.13–6.18.6
OR
linuxlinux_kernelMatch5.10-
OR
linuxlinux_kernelMatch6.19rc1
OR
linuxlinux_kernelMatch6.19rc2
OR
linuxlinux_kernelMatch6.19rc3
OR
linuxlinux_kernelMatch6.19rc4
OR
linuxlinux_kernelMatch6.19rc5
OR
linuxlinux_kernelMatch6.19rc6
OR
linuxlinux_kernelMatch6.19rc7
OR
linuxlinux_kernelMatch6.19rc8
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/net/ethernet/marvell/prestera/prestera_devlink.c"
    ],
    "versions": [
      {
        "version": "34dd1710f5a3c9a7dc78e1ff6de69a19d407db25",
        "lessThan": "8a4333b2818f0d853b43e139936c20659366e4a0",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "34dd1710f5a3c9a7dc78e1ff6de69a19d407db25",
        "lessThan": "325aea74be7e192b5c947c782da23b0d19a5fda2",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "34dd1710f5a3c9a7dc78e1ff6de69a19d407db25",
        "lessThan": "94e070cd50790317fba7787ae6006934b7edcb6f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "34dd1710f5a3c9a7dc78e1ff6de69a19d407db25",
        "lessThan": "3950054c9512add0cc79ab7e72b6d2f9f675e25b",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "34dd1710f5a3c9a7dc78e1ff6de69a19d407db25",
        "lessThan": "326a4b7e61d01db3507f71c8bb5e85362f607064",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "34dd1710f5a3c9a7dc78e1ff6de69a19d407db25",
        "lessThan": "a428e0da1248c353557970848994f35fd3f005e2",
        "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/net/ethernet/marvell/prestera/prestera_devlink.c"
    ],
    "versions": [
      {
        "version": "5.10",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.10",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.198",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.161",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.121",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.66",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.6",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.19",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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11 May 2026 21:58Current
5.7Medium risk
Vulners AI Score5.7
CVSS 3.15.5
EPSS0.00023
CWE-476
CVE-2026-23019Marvell PresteraDevlink allocationNull dereference
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