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CVE-2025-21977

🗓️ 01 Apr 2025 15:47:07Reported by LinuxType 
cve
 cve
🔗 web.nvd.nist.gov👁 86 Views

Fixes hang in kdump kernel on Hyper-V Gen 2 VMs due to wrong framebuffer address access.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
AstraLinux
Astra Linux - уязвимость в linux-5.10
20 May 202605:53
astralinux
Circl
CVE-2025-21977
1 Apr 202519:44
circl
CNNVD
Linux kernel 安全漏洞
1 Apr 202500:00
cnnvd
Cvelist
CVE-2025-21977 fbdev: hyperv_fb: Fix hang in kdump kernel when on Hyper-V Gen 2 VMs
1 Apr 202515:47
cvelist
Debian CVE
CVE-2025-21977
1 Apr 202515:47
debiancve
Oracle linux
Unbreakable Enterprise kernel security update
17 Jul 202500:00
oraclelinux
EUVD
EUVD-2025-9343
3 Oct 202520:07
euvd
Hewlett-Packard
HP ThinPro 8.1 SP8 Security Updates
27 Oct 202500:00
hp
NVD
CVE-2025-21977
1 Apr 202516:15
nvd
OpenVAS
Ubuntu: Security Advisory (USN-7605-1)
1 Jul 202500:00
openvas
Rows per page
NVD
Vulners
CNA
Node
linuxlinux_kernelRange6.86.12.20
OR
linuxlinux_kernelRange6.136.13.8
OR
linuxlinux_kernelMatch6.14rc1
OR
linuxlinux_kernelMatch6.14rc2
OR
linuxlinux_kernelMatch6.14rc3
OR
linuxlinux_kernelMatch6.14rc4
OR
linuxlinux_kernelMatch6.14rc5
OR
linuxlinux_kernelMatch6.14rc6
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/video/fbdev/hyperv_fb.c"
    ],
    "versions": [
      {
        "version": "c25a19afb81cfd73dab494ba64f9a434cf1a4499",
        "lessThan": "cfffe46a994ac6d5de3b119917680ea1e9a96125",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "c25a19afb81cfd73dab494ba64f9a434cf1a4499",
        "lessThan": "2924802d35e00a36b1503a4e786f1926b2fdc1d0",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "c25a19afb81cfd73dab494ba64f9a434cf1a4499",
        "lessThan": "304386373007aaca9236a3f36afac0bbedcd2bf0",
        "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/video/fbdev/hyperv_fb.c"
    ],
    "versions": [
      {
        "version": "6.8",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.8",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.20",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.13.8",
        "lessThanOrEqual": "6.13.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.14",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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11 May 2026 21:10Current
7.2High risk
Vulners AI Score7.2
CVSS 3.15.5
EPSS0.00026
86