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CVE-2026-43348 mshv_vtl: Fix vmemmap_shift exceeding MAX_FOLIO_ORDER

🗓️ 08 May 2026 13:41:51Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 28 Views

MSHV fix: clamp vmemmap_shift to maximum folio order during VTL0 memory registration and propagate real memremap error.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-43348
8 May 202613:41
attackerkb
AstraLinux
Astra Linux - уязвимость в linux-5.10
20 May 202605:53
astralinux
Circl
CVE-2026-43348
8 May 202617:00
circl
CNNVD
Linux kernel 安全漏洞
8 May 202600:00
cnnvd
CVE
CVE-2026-43348
8 May 202613:41
cve
Debian CVE
CVE-2026-43348
8 May 202613:41
debiancve
EUVD
EUVD-2026-28632
8 May 202615:31
euvd
NVD
CVE-2026-43348
8 May 202614:16
nvd
OPENSUSE Linux
kernel-devel-7.0.7-1.1 on GA media (moderate)
17 May 202600:00
opensuse
OSV
BELL-CVE-2026-43348 CVE-2026-43348 does not affect BellSoft software
21 May 202606:10
osv
Rows per page
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/hv/mshv_vtl_main.c",
      "include/uapi/linux/mshv.h"
    ],
    "versions": [
      {
        "version": "7bfe3b8ea6e30437e01fcb8e4f56ef6e4d986d0f",
        "lessThan": "a142ca4b6481e71498712800b20e0c0fcf02843b",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "7bfe3b8ea6e30437e01fcb8e4f56ef6e4d986d0f",
        "lessThan": "404cd6bffe17e25e0f94ed2775ffdd6cd10ac3fd",
        "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/hv/mshv_vtl_main.c",
      "include/uapi/linux/mshv.h"
    ],
    "versions": [
      {
        "version": "6.19",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.19",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0.2",
        "lessThanOrEqual": "7.0.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1-rc1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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